CA3024276A1 - Subtilase variants and polynucleotides encoding same - Google Patents

Subtilase variants and polynucleotides encoding same Download PDF

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Publication number
CA3024276A1
CA3024276A1 CA3024276A CA3024276A CA3024276A1 CA 3024276 A1 CA3024276 A1 CA 3024276A1 CA 3024276 A CA3024276 A CA 3024276A CA 3024276 A CA3024276 A CA 3024276A CA 3024276 A1 CA3024276 A1 CA 3024276A1
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Prior art keywords
n76d
q206l
seq id
y209w
n43r
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CA3024276A
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French (fr)
Inventor
Jens Erik Nielsen
Malene Irming Joelck
Lars Lehmann Hylling Christensen
Maria Berggaard Silow
Peter Kamp Hansen
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Novozymes AS
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Novozymes AS
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Priority to EP16172888 priority Critical
Priority to EP16172888.6 priority
Application filed by Novozymes AS filed Critical Novozymes AS
Priority to PCT/EP2017/063461 priority patent/WO2017207762A1/en
Publication of CA3024276A1 publication Critical patent/CA3024276A1/en
Application status is Pending legal-status Critical

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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14Hydrolases (3)
    • C12N9/48Hydrolases (3) acting on peptide bonds (3.4)
    • C12N9/50Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
    • C12N9/52Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea
    • C12N9/54Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea bacteria being Bacillus
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/38Products with no well-defined composition, e.g. natural products
    • C11D3/386Preparations containing enzymes, e.g. protease, amylase
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12YENZYMES
    • C12Y304/00Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
    • C12Y304/21Serine endopeptidases (3.4.21)
    • C12Y304/21062Subtilisin (3.4.21.62)

Abstract

The present invention relates to subtilase variants suitable for use in, e.g., cleaning or detergent compositions, such as laundry detergent compositions and dish wash compositions, including automatic dish wash compositions. The present invention also relates to isolated DNA sequences encoding the variants, expression vectors, host cells, and methods for producing and using the variants of the invention. The variants exhibit improved stability.

Description

2 SUBTILASE VARIANTS AND POLYNUCLEOTIDES ENCODING SAME
Reference to a Sequence Listing This application contains a Sequence Listing in computer readable form, which is incorporated herein by reference.
BACKGROUND OF THE INVENTION
Field of the Invention The present invention relates to subtilase variants suitable for use in, e.g., cleaning or detergent compositions, such as laundry detergent compositions and dish wash compositions, including automatic dish wash compositions. The present invention also relates to isolated DNA
sequences encoding the variants, expression vectors, host cells, and methods for producing and using the variants of the invention.
Description of the Related Art In the detergent industry, enzymes have for many decades been implemented in washing formulations. Enzymes used in such formulations comprise amylases, cellulases, lipases, mannosidases, and proteases, as well as other enzymes or mixtures thereof.
Commercially the most important enzymes are proteases.
An increasing number of commercially used proteases are protein engineered variants of naturally occurring wild type proteases Everlase , Relase , Ovozyme , Polarzyme , Liquanase , Liquanase Ultra and Kannase (Novozymes NS), Purafast , Purafect OXP , FN3 and FN4 (Genencor International, Inc.). Further, a number of protease variants are described in the art, such as WO 91/00345 (Novozymes NS) and WO 94/23053 (Novozymes NS) describes, e.g., mutations in position 262. The variants are suitable for use in, e.g., cleaning or detergent compositions.
A number of useful subtilase variants have been described, many of which have provided improved activity, stability, and solubility in different detergents However, various factors make further improvement of the proteases advantageous. The washing conditions such as temperature and pH change over time and many stains are still difficult to completely remove under conventional washing conditions. Further, in wash conditions can result in inactivation of the enzymes (due to, e.g., pH, temperature or chelation instability) resulting in loss of wash performance during the wash cycle.
Thus, despite the intensive research in protease development there remains a need for new and improved proteases that have improved stability, in particular improved in wash stability and/or storage stability, and preferably similar or improved wash performance compared to the parent protease.
SUMMARY OF THE INVENTION
The present invention relates to subtilase variants having protease activity and comprising a set of two or more substitutions selected from X194 [P, A], X195 [E, G], X204 [D, N], X205 [I, V], X206 [L, Q], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [D, S], X259 [D, S], X260 [A, E, T], X261 [W, N] and X262 [E], wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2.
The present invention further relates to subtilase variants having protease activity and comprising the substitutions X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q]
+ X209 [W, Y] + X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S] + X260 [A, E, T] + X261 [W, N] + X262 [E], wherein the positions correspond to the positions of the polypeptide of SEQ
ID NO: 2.
The present invention further relates to subtilase variants having protease activity and comprising a set of two or more substitutions selected from X194 [P, A], X195 [E, G], X204 [D, N], X205 [I, V], X206 [L, Q], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [D, S], X259 [D, S], X260 [A, E, T], X261 [W, N] and X262 [E], wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2, wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID
NO: 2;
(b) the variant has protease activity; and (c) the variant has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to a polypeptide selected from the group consisting of:
(i) SEQ ID NO: 1, wherein said subtilase variant comprises two or more of the substitutions: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W]; and (ii) SEQ ID NO: 2, wherein said subtilase variant comprises two or more of the substitutions: X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S, D], X260 [T, A, E], X261 [N, W];
wherein said variant further has one or more of the features selected from the group consisting of: (d) the variant has a half-life improvement factor of >100;
(e) the variant has a melting temperature (Tm) greater than 70 C;
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I: R= - LLGunfold / ATm, wherein said ATm = Tm(variant) - Tm(parent polypeptide), wherein said Gunfold = - 2685 x In(half-life improvement factor); preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
The present invention further relates to a subtilase variant comprising a set of substitutions: X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y]
+ X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S] + X260 [A, E, T] +
X261 [W, N] + X262 [E], wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID
NO: 2;
(b) the variant has protease activity; and (c) the variant has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to a polypeptide selected from the group consisting of:
(i) SEQ ID NO: 1, wherein said subtilase variant comprises two or more of the substitutions: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W]; and (ii) SEQ ID NO: 2, wherein said subtilase variant comprises two or more of the substitutions: X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W];
wherein said variant further has one or more of the features selected from the group consisting of: (d) the variant has a half-life improvement factor of >100;
(e) the variant has a melting temperature (Tm) greater than 70 C;
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula 1: R= - LLGunfold / .8:1m, wherein said .8.Tm = Tm(variant) -Tm(parent polypeptide), wherein said Gunfold = - 2685 x In(half-life improvement factor);
preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
The present invention further relates to a subtilase variant comprising the substitutions X262E + X209W + X2051, wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID
NO: 2;
(b) the variant has protease activity;
(c) the variant has at least 65%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to a polypeptide selected from the group consisting of: SEQ ID NO: 1 and 2;
(d) the variant has a melting temperature at least 5 C greater than the

3 melting temperature of a parent polypeptide; and (e) the variant has a half-life improvement factor of >100.
The present invention further relates to polynucleotides encoding the subtilase variants;
compositions, preferably detergent compositions, comprising a subtilase variant; use of the compositions in a cleaning process and methods for obtaining a subtilase variant and for removing a stain from a surface.
The invention further relates to subtilase variants having protease activity and comprising, compared to a parent subtilase, two or more substitutions selected from the group consisting of:
(i) X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W] and X262 [E], wherein the parent subtilase has at least 65% sequence identity to SEQ ID NO: 1, and wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2; or (ii) X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W] and X262 [E], wherein the parent subtilase has at least 65% sequence identity to SEQ ID NO: 2, and wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2.
BRIEF DESCRIPTION OF THE FIGURES
Figure 1 is an alignment of the amino acid sequences of subtilisin 309 (SEQ ID
NO: 1) and subtilisin BPN' (SEQ ID NO: 2), using the Needleman-Wunsch algorithm (Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453).
Definitions The term "allelic variant" means any of two or more alternative forms of a gene occupying the same chromosomal locus. Allelic variation arises naturally through mutation, and may result in polymorphism within populations. Gene mutations can be silent (no change in the encoded polypeptide) or may encode polypeptides having altered amino acid sequences. An allelic variant of a polypeptide is a polypeptide encoded by an allelic variant of a gene.
The term "cDNA" means a DNA molecule that can be prepared by reverse transcription from a mature, spliced, mRNA molecule obtained from a eukaryotic or prokaryotic cell. cDNA
lacks intron sequences that may be present in the corresponding genomic DNA.
The initial, primary RNA transcript is a precursor to mRNA that is processed through a series of steps, including splicing, before appearing as mature spliced mRNA.
The term "coding sequence" means a polynucleotide which directly specifies the amino acid sequence of a variant. The boundaries of the coding sequence are generally determined by an open reading frame, which begins with a start codon such as ATG, GTG or TTG
and ends

4 with a stop codon such as TAA, TAG, or TGA. The coding sequence may be a genomic DNA, cDNA, synthetic DNA, or a combination thereof.
The term "control sequences" means nucleic acid sequences necessary for expression of a polynucleotide encoding a variant of the present invention. Each control sequence may be .. native (i.e., from the same gene) or foreign (i.e., from a different gene) to the polynucleotide encoding the variant or native or foreign to each other. Such control sequences include, but are not limited to, a leader, polyadenylation sequence, propeptide sequence, promoter, signal peptide sequence, and transcription terminator. At a minimum, the control sequences include a promoter, and transcriptional and translational stop signals. The control sequences may be .. provided with linkers for the purpose of introducing specific restriction sites facilitating ligation of the control sequences with the coding region of the polynucleotide encoding a variant.
The term "detergent component" is defined herein to mean the types of chemicals which can be used in detergent compositions. Examples of detergent components are surfactants, hydrotropes, builders, co-builders, chelators or chelating agents, bleaching system or bleach components, polymers, fabric hueing agents, fabric conditioners, foam boosters, suds suppressors, dispersants, dye transfer inhibitors, fluorescent whitening agents, perfume, optical brighteners, bactericides, fungicides, soil suspending agents, soil release polymers, anti-redeposition agents, enzyme inhibitors or stabilizers, enzyme activators, antioxidants, and solubilizers. The detergent composition may comprise of one or more of any type of detergent component.
The term "detergent composition" includes, unless otherwise indicated, all forms of detergent compositions such as gel, granulate, liquid, paste, powder, spray or tablet compositions including heavy-duty liquids (HDL), fine-fabric liquid detergents, liquid and/or solid laundry detergents and fine fabric detergents; hard surface cleaning formulations for, e.g., glass, .. wood, ceramic and metal counter tops and windows; carpet cleaners; oven cleaners; fabric fresheners; fabric softeners; textile and laundry pre-spotters, as well as dish wash detergents such as hand dishwashing agents, light duty dishwashing agents, machine dishwashing agents;
all-purpose or heavy-duty washing agents, liquid, gel or paste-form all-purpose washing agents, liquid cleaning and disinfecting agents, including antibacterial hand-wash types, cleaning bars, .. mouthwashes, denture cleaners, car or carpet shampoos, bathroom cleaners;
hair shampoos and hair-rinses; shower gels, foam baths; metal cleaners; as well as cleaning auxiliaries such as bleach additives and "stain-stick" or pre-treat types.
In addition to containing a subtilase variant of the invention, the detergent formulation may contain one or more additional enzymes (such as amylases, catalases, cellulases (e.g., endoglucanases), cutinases, haloperoxygenases, lipases, mannanases, pectinases, pectin lyases, peroxidases, proteases, xanthanases, and xyloglucanases, or any mixture thereof), and/or components such as surfactants, builders, chelators or chelating agents, bleach system

5 or bleach components, polymers, fabric conditioners, foam boosters, suds suppressors, dyes, perfume, tannish inhibitors, optical brighteners, bactericides, fungicides, soil suspending agents, anti-corrosion agents, enzyme inhibitors or stabilizers, enzyme activators, transferase(s), hydrolytic enzymes, oxidoreductases, bluing agents and fluorescent dyes, antioxidants, and solubilizers.
The term "dish wash" refers to all forms of washing dishes, e.g., by hand or automatic dish wash. Washing dishes includes, but is not limited to, the cleaning of all forms of crockery such as plates, cups, glasses, bowls, all forms of cutlery such as spoons, knives, forks and serving utensils as well as ceramics, plastics such as melamine, metals, china, glass and acrylics.
The term "dish washing composition" refers to all forms of compositions for cleaning hard surfaces. The present invention is not restricted to any particular type of dish wash composition or any particular detergent.
The term "expression" includes any step involved in the production of a variant including, but not limited to, transcription, post-transcriptional modification, translation, post-translational modification, and secretion.
The term "expression vector" means a linear or circular DNA molecule that comprises a polynucleotide encoding a variant and is operably linked to control sequences that provide for its expression.
The term "hard surface cleaning" is defined herein as cleaning of hard surfaces wherein hard surfaces may include floors, tables, walls, roofs etc. as well as surfaces of hard objects such as cars (car wash) and dishes (dish wash).
The term "host cell" means any cell type that is susceptible to transformation, transfection, transduction, or the like with a nucleic acid construct or expression vector comprising a polynucleotide encoding a variant of the present invention. The term "host cell"
encompasses any progeny of a parent cell that is not identical to the parent cell due to mutations that occur during replication.
The term "improved property" means a characteristic associated with a subtilase variant that is improved compared to the parent subtilase. Such improved properties include, but are not limited to, wash performance, protease activity, thermal activity profile, thermostability, pH
activity profile, pH stability, substrate/cofactor specificity, improved surface properties, substrate specificity, product specificity, increased stability, improved stability under storage conditions, and chemical stability.
The term "stability" includes storage stability and stability during use, e.g., during a wash process and reflects the stability of the subtilase variant according to the invention as a function of time, e.g., how much activity is retained when the subtilase variant is kept in solution in particular in a detergent solution. The stability is influenced by many factors, e.g., pH,

6 temperature, detergent composition, e.g., amount of builder, surfactants etc.
The term "improved stability" or "increased stability" is defined herein as a variant subtilase displaying an increased stability in solution, relative to the stability of the parent subtilase. The terms "improved stability" and "increased stability" includes "improved chemical stability", "detergent stability" or "improved detergent stability.
The term "improved chemical stability" is defined herein as a variant subtilase displaying retention of enzymatic activity after a period of incubation in the presence of one or more chemicals, either naturally occurring or synthetic, which reduce the enzymatic activity of the parent enzyme. Improved chemical stability may also result in variants being more able to catalyze a reaction in the presence of such chemicals. In a particular aspect of the invention the improved chemical stability is an improved stability in a detergent, in particular in a liquid detergent. The term "detergent stability" or "improved detergent stability is in particular an improved stability of the protease activity when a subtilase variant of the present invention is mixed into a liquid detergent formulation, and then stored at a temperature between 15 and 50 C, e.g., 20 C, 30 C or 40 C.
The term "improved thermal activity" means a variant displaying an altered temperature-dependent activity profile at a specific temperature relative to the temperature-dependent activity profile of the parent. The thermal activity value provides a measure of the variant's efficiency in enhancing catalysis of a hydrolysis reaction over a range of temperatures. A more .. thermoactive variant will lead to an increase in enhancing the rate of hydrolysis of a substrate by an enzyme composition, thereby decreasing the time required and/or decreasing the enzyme concentration required for activity. Alternatively, a variant with a reduced thermal activity will enhance an enzymatic reaction at a temperature lower than the temperature optimum of the parent defined by the temperature-dependent activity profile of the parent.
The term "improved wash performance" is defined herein as a subtilase variant according to the invention displaying an improved wash performance relative to the wash performance of the parent protease, e.g., by increased stain removal. The term "wash performance" includes wash performance in laundry but also, e.g., in dish wash. The wash performance may be quantified as described under the definition of "wash performance" herein.
The term "isolated" means a substance in a form or environment which does not occur in nature. Non-limiting examples of isolated substances include (1) any non-naturally occurring substance, (2) any substance including, but not limited to, any enzyme, variant, nucleic acid, protein, peptide or cofactor, that is at least partially removed from one or more or all of the naturally occurring constituents with which it is associated in nature; (3) any substance modified .. by the hand of man relative to that substance found in nature; or (4) any substance modified by increasing the amount of the substance relative to other components with which it is naturally associated (e.g., multiple copies of a gene encoding the substance; use of a stronger promoter

7 than the promoter naturally associated with the gene encoding the substance).
An isolated substance may be present in a fermentation broth sample.
The term "laundering" relates to both household laundering and industrial laundering and means a process of treating textiles and/or fabrics with a solution containing a detergent composition of the present invention. The laundering process can for example be carried out using, e.g., a household or an industrial washing machine or can be carried out by hand.
The term "mature polypeptide" means a polypeptide in its final form following translation and any post-translational modifications, such as N-terminal processing, C-terminal truncation, glycosylation, phosphorylation, autocatalytic activation etc. The mature polypeptide may e.g. be a variant of a polypeptide having amino acids 1 to 269 of SEQ ID NO: 1 or 1 to 275 of SEQ ID
NO: 2. It is known in the art that a host cell may produce a mixture of two of more different mature polypeptides (i.e., with a different C-terminal and/or N-terminal amino acid) expressed by the same polynucleotide.
The term "mature polypeptide-encoding sequence" means a polynucleotide that encodes a mature polypeptide having protease activity.
The term "mutant" means a polynucleotide encoding a variant.
The term "nucleic acid construct" means a nucleic acid molecule, either single-or double-stranded, which is isolated from a naturally occurring gene or is modified to contain segments of nucleic acids in a manner that would not otherwise exist in nature or which is synthetic, and which comprises one or more control sequences.
The term "operably linked" means a configuration in which a control sequence is placed at an appropriate position relative to the coding sequence of a polynucleotide such that the control sequence directs expression of the coding sequence.
The term "parent" means a protease to which an alteration is made to produce the enzyme variants of the present invention. It will be understood that in the present context the expression "having identical amino acid sequence" refers to 100% sequence identity. In a particular embodiment the parent is a protease with at least 60% identity, such as at least 65%, at least 70%, at least 75%, at least 80%, at least 81%, at least 82%, at least 83%, at least 84%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% identity to a polypeptide of SEQ
ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11, e.g. a polypeptide of SEQ ID NO:
1 or 2.
The term "protease" is defined herein as an enzyme that hydrolyzes peptide bonds. It includes any enzyme belonging to the EC 3.4 enzyme group (including each of the thirteen subclasses thereof). The EC number refers to Enzyme Nomenclature 1992 from NC-IUBMB, Academic Press, San Diego, California, including supplements 1-5 published in Eur. J.
Biochem. 1223: 1-5 (1994); Eur. J. Biochem. 232: 1-6 (1995); Eur. J. Biochem.
237: 1-5 (1996);
Eur. J. Biochem. 250: 1-6 (1997); and Eur. J. Biochem. 264: 610-650 (1999);
respectively. The

8 most widely used proteases in the detergent industry such as for laundry and dish wash are the serine proteases or serine peptidases, which are a subgroup of proteases characterised by having a serine in the active site, which forms a covalent adduct with the substrate. Further, the subtilases (and the serine proteases) are characterized by having two active site amino acid residues apart from the serine, namely a histidine residue and an aspartic acid residue.
Subtilase refers to a sub-group of serine proteases according to Siezen et al., 1991, Protein Engng. 4: 719-737 and Siezen etal., 1997, Protein Science 6: 501-523. The subtilases may be divided into 6 sub-divisions, i.e., the Subtilisin family, the Thermitase family, the Proteinase K
family, the Lantibiotic peptidase family, the Kexin family and the Pyrolysin family.
The term "protease activity" means a proteolytic activity (EC 3.4). Proteases suitable for use in detergents are mainly endopeptidases (EC 3.4.21). There are several protease activity types: The three main activity types are: trypsin-like, where there is cleavage of amide substrates following Arg or Lys at P1, chymotrypsin-like, where cleavage occurs following one of the hydrophobic amino acids at P1, and elastase-like with cleavage following an Ala at P1. For purposes of the present invention, protease activity is determined according to the Suc-AAPF-pNA activity assay, as described in the Materials and Methods section below.
In one aspect, the subtilase variants of the present invention have at least 20%, e.g., at least 40%, at least 50%, at least 60%, at least 70%, at least 80%, at least 90%, at least 95%, or at least 100% of the enzyme activity of the mature polypeptide of the parent enzyme. In one particular aspect the subtilase variants of the present invention have at least 20%, e.g., at least 40%, at least 50%, at least 60%, at least 70%, at least 80%, at least 90%, at least 95%, or at least 100% of the enzyme activity of a polypeptide of SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11.
The relatedness between two amino acid sequences or between two nucleotide sequences is described by the parameter "sequence identity". For purposes of the present invention, the sequence identity between two amino acid sequences is determined using the Needleman-Wunsch algorithm (Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453) as implemented in the Needle program of the EMBOSS package (EMBOSS: The European Molecular Biology Open Software Suite, Rice et al., 2000, Trends Genet. 16:
276-277), preferably version 5Ø0 or later. The parameters used are gap open penalty of 10, gap extension penalty of 0.5, and the EBLOSUM62 (EMBOSS version of BLOSUM62) substitution matrix. The output of Needle labeled "longest identity" (obtained using the -nobrief option) is used as the percent identity and is calculated as follows:
(Identical Residues x 100)/(Length of Alignment - Total Number of Gaps in Alignment) For purposes of the present invention, the sequence identity between two deoxyribonucleotide sequences is determined using the Needleman-Wunsch algorithm (Needleman and Wunsch, 1970, supra) as implemented in the Needle program of the EMBOSS
package (EMBOSS: The European Molecular Biology Open Software Suite, Rice et al., 2000,

9 supra), preferably version 5Ø0 or later.
The different stringency conditions are defined as follows.
The term "very low stringency conditions" means for probes of at least 100 nucleotides in length, prehybridization and hybridization at 42 C in 5X SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 35% formamide, following standard Southern blotting procedures for 12 to 24 hours. The carrier material is finally washed three times each for minutes using 2X SSC, 0.2% SDS at 60 C.
The term "low stringency conditions" means for probes of at least 100 nucleotides in length, prehybridization and hybridization at 42 C in 5X SSPE, 0.3% SDS, 200 micrograms/ml

10 sheared and denatured salmon sperm DNA, and 35% formamide, following standard Southern blotting procedures for 12 to 24 hours. The carrier material is finally washed three times each for 15 minutes using lx SSC, 0.2% SDS at 60 C.
The term "medium stringency conditions" means for probes of at least 100 nucleotides in length, prehybridization and hybridization at 42 C in 5X SSPE, 0.3% SDS, 200 micrograms/ml 15 sheared and denatured salmon sperm DNA, and 35% formamide, following standard Southern blotting procedures for 12 to 24 hours. The carrier material is finally washed three times each for 15 minutes using lx SSC, 0.2% SDS at 65 C.
The term "medium-high stringency conditions" means for probes of at least 100 nucleotides in length, prehybridization and hybridization at 42 C in 5X SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 35% formamide, following standard Southern blotting procedures for 12 to 24 hours. The carrier material is finally washed three times each for 15 minutes using 0.5X SSC, 0.2% SDS at 65 C.
The term "high stringency conditions" means for probes of at least 100 nucleotides in length, prehybridization and hybridization at 42 C in 5X SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 35% formamide, following standard Southern blotting procedures for 12 to 24 hours. The carrier material is finally washed three times each for 15 minutes using 0.3X SSC, 0.2% SDS at 65 C.
The term "very high stringency conditions" means for probes of at least 100 nucleotides in length, prehybridization and hybridization at 42 C in 5X SSPE, 0.3% SDS, micrograms/ml sheared and denatured salmon sperm DNA, and 35% formamide, following standard Southern blotting procedures for 12 to 24 hours. The carrier material is finally washed three times each for 15 minutes using 0.15X SSC, 0.2% SDS at 65 C.
The term "substantially pure variant" means a preparation that contains at most 10%, at most 8%, at most 6%, at most 5%, at most 4%, at most 3%, at most 2%, at most 1%, and at most 0.5% by weight of other polypeptide material with which it is natively or recombinantly associated. Preferably, the variant is at least 92% pure, e.g., at least 94%
pure, at least 95%
pure, at least 96% pure, at least 97% pure, at least 98% pure, at least 99%, at least 99.5% pure, and 100% pure by weight of the total polypeptide material present in the preparation. The variants of the present invention are preferably in a substantially pure form.
This can be accomplished, for example, by preparing the variant by well-known recombinant methods or by classical purification methods.
The term "substantially pure polynucleotide" means a polynucleotide preparation free of other extraneous or unwanted nucleotides and in a form suitable for use within genetically engineered polypeptide production systems. Thus, a substantially pure polynucleotide contains at most 10%, at most 8%, at most 6%, at most 5%, at most 4%, at most 3%, at most 2%, at most 1%, and at most 0.5% by weight of other polynucleotide material with which it is natively or recombinantly associated. A substantially pure polynucleotide may, however, include naturally occurring 5'- and 3'- untranslated regions, such as promoters and terminators.
It is preferred that the substantially pure polynucleotide is at least 90% pure, e.g., at least 92% pure, at least 94% pure, at least 95% pure, at least 96% pure, at least 97% pure, at least 98% pure, at least 99% pure, and at least 99.5% pure by weight. The polynucleotides of the present invention are preferably in a substantially pure form.
The term "textile" means any textile material including yarns, yarn intermediates, fibers, non-woven materials, natural materials, synthetic materials, as well as fabrics made of these materials such as garments, cloths and other articles). When the term fabric or garment is used it is intended to include the broader term textiles as well.
The term "ratio (R) of transformed half-life improvement factor over delta melting temperature ", means a ratio which is calculated according to the formula I:
R= - LLGunfold /
.8.Trn, wherein said .8.Tm = Tm(variant) - Tm(parent polypeptide), wherein said Gunfold = -2685 x /n(half-life improvement factor) (e.g., wherein a parent polypeptide is selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11). The symbol "x" herein means multiplication and is interchangeable with the symbol 11.11. A preferred way of calculating a half-life improvement factor is described in Example 4 herein. A preferred way of calculating "ratio (R) of transformed half-life improvement factor over delta melting temperature" is described in Example 9 herein. Non-limiting examples of R include R greater than -3 (R > -3), R is greater than 0 (R > 0), R is greater than 0.5 (R > 0.5), R is greater than 1.0 (R >
1.0), R is greater than 1.5 (R > 1.5).
The term "melting temperature" is interchangeable with the term "thermal denaturation temperature", which has a conventional meaning, e.g., it means the top of denaturation peak (major endothermic peak) in thermograms (Op vs. T) obtained after heating a polypeptide solution. A preferred way of measuring melting temperature is described in Example 9 herein.
The term "variant" means a polypeptide having protease activity comprising an alteration, i.e., a substitution, insertion, and/or deletion, at three or more positions. A substitution means replacement of the amino acid occupying a position with a different amino acid; a

11 deletion means removal of the amino acid occupying a position; and an insertion means adding one or more amino acids, e.g., 1, 2, 3, 4 or 5 amino acids adjacent to and immediately following the amino acid occupying a position. The term "subtilase variant" means a variant of a subtilase parent, i.e., a subtilase variant is a subtilase which comprises alterations i.e., a substitution, insertion, and/or deletion, at three or more positions compared to the parent subtilase.
The term "wash performance" is used as an enzyme's ability to remove stains present on the object to be cleaned during wash, such as laundry or hard surface cleaning. The improvement in the wash performance may be quantified by calculating the so-called intensity value (Int) defined in the AMSA assay, as described in Example 3.
The term "wild-type subtilase" means a protease expressed by a naturally occurring organism, such as a bacterium, archaea, yeast, fungus, plant or animal found in nature. An example of a wild-type subtilase is subtilisin BPN', i.e., amino acids 1 to 275 of SEQ ID NO: 2.
Conventions for Designation of Variants For purposes of the present invention, subtilisin BPN' (the sequence of amino acids 1-275 of SEQ ID NO: 2 (Siezen etal., 1991, Protein Eng. 4: 719-737)) is used to determine the corresponding amino acid residue in another protease. The amino acid sequence of another protease is aligned with the mature polypeptide disclosed in SEQ ID NO: 2, and based on the alignment, the amino acid position number corresponding to any amino acid residue in the polypeptide disclosed in SEQ ID NO: 2 is determined using the Needleman-Wunsch algorithm (Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453) as implemented in the Needle program of the EMBOSS package (EMBOSS: The European Molecular Biology Open Software Suite, Rice et al., 2000, Trends Genet. 16: 276-277), preferably version 5Ø0 or later. The parameters used are gap open penalty of 10, gap extension penalty of 0.5, and the EBLOSUM62 (EMBOSS version of BLOSUM62) substitution matrix.
Identification of the corresponding amino acid residue in another protease can be determined by an alignment of multiple polypeptide sequences using several computer programs including, but not limited to, MUSCLE (multiple sequence comparison by log-expectation; version 3.5 or later; Edgar, 2004, Nucleic Acids Research 32:
1792-1797), MAFFT
(version 6.857 or later; Katoh and Kuma, 2002, Nucleic Acids Research 30: 3059-3066; Katoh etal., 2005, Nucleic Acids Research 33: 511-518; Katoh and Toh, 2007, Bioinformatics 23: 372-374; Katoh et al., 2009, Methods in Molecular Biology 537: 39-64; Katoh and Toh, 2010, Bioinformatics 26:1899-1900), and EMBOSS EMMA employing ClustalW (1.83 or later;
Thompson etal., 1994, Nucleic Acids Research 22: 4673-4680), using their respective default parameters.
When the other enzyme has diverged from the mature polypeptide of SEQ ID NO: 2 such that traditional sequence-based comparison fails to detect their relationship (Lindahl and Elofsson, 2000, J. Mol. Biol. 295: 613-615), other pairwise sequence comparison algorithms can

12 be used. Greater sensitivity in sequence-based searching can be attained using search programs that utilize probabilistic representations of polypeptide families (profiles) to search databases. For example, the PSI-BLAST program generates profiles through an iterative database search process and is capable of detecting remote homologs (Atschul et al., 1997, Nucleic Acids Res. 25: 3389-3402). Even greater sensitivity can be achieved if the family or superfamily for the polypeptide has one or more representatives in the protein structure databases. Programs such as GenTHREADER (Jones, 1999, J. Mol. Biol. 287: 797-815;
McGuffin and Jones, 2003, Bioinformatics 19: 874-881) utilize information from a variety of sources (PSI-BLAST, secondary structure prediction, structural alignment profiles, and solvation potentials) as input to a neural network that predicts the structural fold for a query sequence.
Similarly, the method of Gough et al., 2000, J. Mol. Biol. 313: 903-919, can be used to align a sequence of unknown structure with the superfamily models present in the SCOP
database.
These alignments can in turn be used to generate homology models for the polypeptide, and such models can be assessed for accuracy using a variety of tools developed for that purpose.
For proteins of known structure, several tools and resources are available for retrieving and generating structural alignments. For example the SCOP superfamilies of proteins have been structurally aligned, and those alignments are accessible and downloadable. Two or more protein structures can be aligned using a variety of algorithms such as the distance alignment matrix (Holm and Sander, 1998, Proteins 33: 88-96) or combinatorial extension (Shindyalov and Bourne, 1998, Protein Engineering 11: 739-747), and implementation of these algorithms can additionally be utilized to query structure databases with a structure of interest in order to discover possible structural homologs (e.g., Holm and Park, 2000, Bioinformatics 16: 566-567).
In describing the variants of the present invention, the nomenclature described below is adapted for ease of reference. The accepted IUPAC single letter or three letter amino acid abbreviation is employed.
Substitutions: For an amino acid substitution, the following nomenclature is used:
Original amino acid, position, substituted amino acid. Accordingly, the substitution of threonine at position 226 with alanine is designated as "Thr226Ala" or "T226A". Multiple mutations are separated by addition marks ("+"), e.g., "Gly205Arg+Ser411Phe" or "G205R+5411F", representing substitutions at positions 205 and 411 of glycine (G) with arginine (R) and serine (S) with phenylalanine (F), respectively. An "X" preceding a position means that any original amino acid at the position may be substituted. For example, X9E means that any amino acid residue at position 9 other than E is substituted with E; X206L means that any amino acid residue at position 206 other than L is substituted with L; and X262E means that any amino acid residue at position 262 other than E is substituted with E.
Deletions: For an amino acid deletion, the following nomenclature is used:
Original amino acid, position, *. Accordingly, the deletion of glycine at position 195 is designated as

13 "Gly195*" or "G195*". Multiple deletions are separated by addition marks ("+"), e.g., "Gly195*+Ser411*" or "G195*+S411*".
Insertions: The insertion of an additional amino acid residue, e.g., a lysine after G195 may be indicated by: Gly195GlyLys or G195GK. Alternatively, insertion of an additional amino acid residue such as lysine after G195 may be indicated by: *195aK. When more than one amino acid residue is inserted, e.g., Lys and Ala after G195, this may be indicated as:
Gly195GlyLysAla or G195GKA. In such cases, the inserted amino acid residue(s) may also be numbered by the addition of lower case letters to the position number of the amino acid residue preceding the inserted amino acid residue(s), in this example: *195aK *195bA.
In the above example, the sequences 194 to 196 would thus be:

Subtilisin 309 A - G - L
194 195 195a 195b 196 Variant A-G-K- A- L
In cases where a substitution and an insertion occur at the same position, this may be indicated as S99SD+S99A or in short S99AD. The same modification may also be indicated as S99A+*99aD.
In cases where an amino acid residue identical to the existing amino acid residue is inserted, it is clear that degeneracy in the nomenclature arises. If for example a glycine is inserted after the glycine in the above example this would be indicated by G195GG or *195GaG. The same actual change could just as well be indicated as Al 94AG or *194aG for the change from:

Subtilisin 309 A - G - L
to:
194 195 195a 196 Variant A-G- G-L
194 194a 195 196 Such instances will be apparent to the skilled person and the indication G195GG and corresponding indications for this type of insertions are thus meant to comprise such equivalent degenerate indications.
Multiple alterations: Variants comprising multiple alterations are separated by addition marks ("+"), e.g., "Arg170Tyr+Gly195Glu" or "R170Y+G195E" representing a substitution of arginine and glycine at positions 170 and 195 with tyrosine and glutamic acid, respectively.
Alternatively, multiple alterations may be separated be space or a comma, e.g., A170Y G195E
or Al 70Y, G195E, respectively.
Different alterations: Where different alterations can be introduced at a position, the

14 different alterations are separated by a comma, e.g., "Arg170Tyr,Glu"
represents a substitution of arginine at position 170 with tyrosine or glutamic acid. Thus, "Tyr167Gly,Ala+Arg170Gly,Ala"
designates the following variants:
"Tyr167Gly+Arg170Gly", "Tyr167Gly+Arg170Ala", "Tyr167Ala+Arg170Gly", and "Tyr167Ala+Arg170Ala".
Alternatively different alterations or optional substitutions may be indicated in brackets, e.g., Arg170[Tyr, Gly] or, Arg170{Tyr, Gly} or in short R170 [Y,G] or R170 {Y, G}.
DETAILED DESCRIPTION OF THE INVENTION
The present invention relates to subtilase variants having protease activity and comprising a set of two or more of the substitutions selected from X194 [P, A], X195 [E, G], X204 [D, N], X205 [I, V], X206 [L, Q], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [D, S], X259 [D, S], X260 [A, E, T], X261 [W, N] and X262 [E], wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2.
In one embodiment, the subtilase variant has improved stability, in particular improved storage stability, compared to the parent subtilase. In a preferred embodiment, the subtilase variant has improved stability, in particular improved storage stability, and on par or improved wash performance compared to the parent subtilase.
In another embodiment, the subtilase variant is a) a polypeptide that has at least 60% but less than 100% sequence identity to the amino acid sequence of the parent subtilase;
b) a polypeptide that is encoded by a polynucleotide that hybridizes under low stringency conditions, medium stringency conditions, medium-high stringency conditions, high stringency conditions, or very high stringency conditions with:
(i) the mature polypeptide-encoding sequence of the parent subtilase or (ii) the full-length complement of (i); or c) a polypeptide that is encoded by a polynucleotide having at least 60%
but less than 100% sequence identity to the mature polypeptide-encoding sequence of the parent subtilase.
In an embodiment, the subtilase variant has at least 65% but less than 100%
sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 70% but less than 100% sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 75% but less than 100% sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 80% but less than 100% sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 85% but less than 100%
sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 90% but less than 100% sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 93% but less than 100% sequence identity to the parent subtilase.
In an embodiment, the subtilase variant has at least 95% but less than 100%
sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 96% but less than 100% sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 97% but less than 100% sequence identity to the parent subtilase. In an embodiment, the subtilase variant has at least 98% but less than 100% sequence identity to the parent subtilase.
In an embodiment, the variant has an amino acid sequence which is at least 60%

identical to SEQ ID NO: 1, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 1.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 2, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 2.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 3, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 3.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 4, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 4.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 5, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 5.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 6, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 6.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 7, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 7.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 8, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID

NO: 8.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 9, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 9.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 10, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 10.
In another embodiment, the variant has an amino acid sequence which is at least 60%
identical to SEQ ID NO: 11, e.g., at least 60%, such as at least 70%, such as at least 80%, such as at least 90%, such as at least 95% sequence identity to the amino acid sequence of SEQ ID
NO: 11.
In one aspect, the total number of alterations in the parent subtilase is between 3 and 30, preferably between 3 and 20, more preferably between 3 and 15, even more preferably between 3 and 10, most preferably between 3 and 8 alterations. In another aspect, the total number of alterations in the parent subtilase is 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 or 30 alterations.
In one aspect of the invention, the subtilase variant has protease activity and comprises, compared to a parent subtilase, two or more substitutions selected from the group consisting of:
(i) X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W] and X262 [E], wherein the parent subtilase has at least 65% sequence identity to SEQ ID NO: 1, and wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2; or (ii) X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W] and X262 [E], wherein the parent subtilase has at least 65% sequence identity to SEQ ID NO: 2, and wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2.
In one embodiment of this aspect, the subtilase variant has at least 70%
sequence identity, e.g., at least 80%, at least 85%, at least 90% or at least 95%, but less than 100%
sequence identity to a polypeptide selected from the group consisting of:
(i) SEQ ID NO: 1, wherein the variant comprises the substitution X262 [E]
and two or more of the substitutions: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W]; and (ii) SEQ ID NO:
2, wherein the variant comprises the substitution X262 [E]
and two or more of the substitutions: X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S, D], X260 [T, A, E], X261 [N, W].
The variant of this embodiment may e.g. comprise, in addition to the substitution X262 [E], three, four, five, six, seven, eight, nine, ten, eleven or twelve of the further substitutions listed above compared to SEQ ID NO: 1 or SEQ ID NO: 2.
The parent subtilase may e.g. have at least 70% sequence identity to SEQ ID
NO: 1 or 2, respectively, such as at least 75%, at least 80%, at least 85%, at least 90%, at least 95% or 100% sequence identity.
The subtilase variants of this aspect of the invention preferably also have an improved stability compared to the parent subtilase, in particular one or more of the features described elsewhere herein selected from the group consisting of:
= a half-life improvement factor of >100;
= a melting temperature (Tm) greater than 70 C and/or at least 5 C greater than the melting temperature of the parent; and = a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3.
The subtilase variants of the present invention may further comprise one or more additional alterations. The amino acid changes may be of a minor nature, that is conservative amino acid substitutions or insertions that do not significantly affect the folding and/or activity of the protein; small deletions, typically of 1-30 amino acids; small amino- or carboxyl-terminal extensions, such as an amino-terminal methionine residue; a small linker peptide of up to 20-25 residues; or a small extension that facilitates purification by changing net charge or another function, such as a poly-histidine tract, an antigenic epitope or a binding domain.
Examples of conservative substitutions are within the groups of basic amino acids (arginine, lysine and histidine), acidic amino acids (glutamic acid and aspartic acid), polar amino acids (glutamine and asparagine), hydrophobic amino acids (leucine, isoleucine and valine), aromatic amino acids (phenylalanine, tryptophan and tyrosine), and small amino acids (glycine, alanine, serine, threonine and methionine). Amino acid substitutions that do not generally alter specific activity are known in the art and are described, for example, by H.
Neurath and R.L. Hill, 1979, In, The Proteins, Academic Press, New York. Common substitutions are Ala/Ser, Val/Ile, Asp/Glu, Thr/Ser, Ala/Gly, Ala/Thr, Ser/Asn, Ala/Val, Ser/Gly, Tyr/Phe, Ala/Pro, Lys/Arg, Asp/Asn, Leu/Ile, Leu/Val, Ala/Glu, and Asp/Gly.
Alternatively, the amino acid changes are of such a nature that the physico-chemical properties of the polypeptides are altered. For example, amino acid changes may improve the thermal stability of the polypeptide, alter the substrate specificity, change the pH optimum, and the like.
Essential amino acids in a polypeptide can be identified according to procedures known in the art, such as site-directed mutagenesis or alanine-scanning mutagenesis (Cunningham and Wells, 1989, Science 244: 1081-1085). In the latter technique, single alanine mutations are introduced at every residue in the molecule, and the resultant mutant molecules are tested for protease activity to identify amino acid residues that are critical to the activity of the molecule.
See also, Hilton etal., 1996, J. Biol. Chem. 271: 4699-4708. The active site of the enzyme or other biological interaction can also be determined by physical analysis of structure, as determined by such techniques as nuclear magnetic resonance, crystallography, electron diffraction, or photoaffinity labeling, in conjunction with mutation of putative contact site amino acids. See, for example, de Vos etal., 1992, Science 255: 306-312; Smith etal., 1992, J. Mol.
Biol. 224: 899-904; Wlodaver etal., 1992, FEBS Lett. 309: 59-64. For BPN' (SEQ
ID NO: 2) the catalytic triad comprising the amino acids S221, H64, and D32 is essential for protease activity of the enzyme.
In an embodiment, the subtilase variant comprises X194 [P, A] + X195 [E, G] +
X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] +
X256 [D, S] + X259 [D, S] + X260 [A, E, T] + X261 [W, N] + X262 [E].
In an embodiment, the subtilase variant comprises X194 [P, A] + X204 [D, N] +
X205 [I]
+ X206 [L] + X209 [W] + X212 [G, S] + X216 [V, S] + X259 [S, D] + X261 [N, W]
+ X262 [E].
In an embodiment, the subtilase variant comprises X194 [P] + X204 [D] + X205 [I] +
X206 [L] + X209 [W] + X212 [G] + X216 [V] + X259 [D] + X261 [W] + X262 [E].
In an embodiment, the subtilase variant at positions corresponding to positions 194-216 of the polypeptide of SEQ ID NO: 2 comprises a sequence selected from the group consisting of: SEQ ID NO: 12-60.
In an embodiment, the subtilase variant at positions corresponding to positions 256-262 of the polypeptide of SEQ ID NO: 2 comprises a sequence selected from the group consisting of: SEQ ID NO: 61-109.
In an embodiment, the subtilase variant at positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID NO: 2 comprises a combination of sequences selected from the group consisting of:
SEQ ID NO: 12 and SEQ ID NO: 61;
SEQ ID NO: 13 and SEQ ID NO: 62;
SEQ ID NO: 14 and SEQ ID NO: 63;
SEQ ID NO: 15 and SEQ ID NO: 64;
SEQ ID NO: 16 and SEQ ID NO: 65;
SEQ ID NO: 17 and SEQ ID NO: 66;
SEQ ID NO: 18 and SEQ ID NO: 67;
SEQ ID NO: 19 and SEQ ID NO: 68;
SEQ ID NO: 20 and SEQ ID NO: 69;
SEQ ID NO: 21 and SEQ ID NO: 70;

SEQ ID NO: 22 and SEQ ID NO: 71;
SEQ ID NO: 23 and SEQ ID NO: 72;
SEQ ID NO: 24 and SEQ ID NO: 73;
SEQ ID NO: 25 and SEQ ID NO: 74;
SEQ ID NO: 26 and SEQ ID NO: 75;
SEQ ID NO: 27 and SEQ ID NO: 76;
SEQ ID NO: 28 and SEQ ID NO: 77;
SEQ ID NO: 29 and SEQ ID NO: 78;
SEQ ID NO: 30 and SEQ ID NO: 79;
SEQ ID NO: 31 and SEQ ID NO: 80;
SEQ ID NO: 32 and SEQ ID NO: 81;
SEQ ID NO: 33 and SEQ ID NO: 82;
SEQ ID NO: 34 and SEQ ID NO: 83;
SEQ ID NO: 35 and SEQ ID NO: 84;
SEQ ID NO: 36 and SEQ ID NO: 85;
SEQ ID NO: 37 and SEQ ID NO: 86;
SEQ ID NO: 38 and SEQ ID NO: 87;
SEQ ID NO: 39 and SEQ ID NO: 88;
SEQ ID NO: 40 and SEQ ID NO: 89;
SEQ ID NO: 41 and SEQ ID NO: 90;
SEQ ID NO: 42 and SEQ ID NO: 91;
SEQ ID NO: 43 and SEQ ID NO: 92;
SEQ ID NO: 44 and SEQ ID NO: 93;
SEQ ID NO: 45 and SEQ ID NO: 94;
SEQ ID NO: 46 and SEQ ID NO: 95;
SEQ ID NO: 47 and SEQ ID NO: 96;
SEQ ID NO: 48 and SEQ ID NO: 97;
SEQ ID NO: 49 and SEQ ID NO: 98;
SEQ ID NO: 50 and SEQ ID NO: 99;
SEQ ID NO: 51 and SEQ ID NO: 100;
SEQ ID NO: 52 and SEQ ID NO: 101;
SEQ ID NO: 53 and SEQ ID NO: 102;
SEQ ID NO: 54 and SEQ ID NO: 103;
SEQ ID NO: 55 and SEQ ID NO: 104;
SEQ ID NO: 56 and SEQ ID NO: 105;
SEQ ID NO: 57 and SEQ ID NO: 106;
SEQ ID NO: 58 and SEQ ID NO: 107;

SEQ ID NO: 59 and SEQ ID NO: 108;
SEQ ID NO: 60 and SEQ ID NO: 109.
In an embodiment or any of the embodiments above, the subtilase variant further comprises one or more alterations at positions selected from the group consisting of positions:
3, 9, 20, 22, 24, 43, 48, 61, 72, 76, 78, 91, 99, 115, 117, 120, 120, 129, 131, 137, 141, 145, 158, 160, 160, 161, 163, 182, 185, 188, 191, 217, 238, 255, 275, 275 and 275, wherein each position corresponds to the position of the polypeptide of SEQ ID NO: 2.
In an embodiment or any of the embodiments above, the subtilase variant further comprises one or more alterations selected from the group consisting of: 53V, 59E, 59R, G2OH, T22H, 524H, N43R, A48H, G61E, I72A, N76D, 578H, Y91H, *99aE, G115W, N117H, H120V, H120D, P129D, P131*, Q137H, 5141H, R145H, A158E, G160P, G160D, 5161E, 5163G, Q182E, N185E, 5188E, Q191N, L217M, N238H, T255E, *275aH, *275bH and *275aR, wherein each position corresponds to the position of the polypeptide of SEQ ID
NO: 2.
In an embodiment or any of the embodiments above, the subtilase variant comprises a set of alterations, e.g. compared to SEQ ID NO: 1 wherein the variant preferably has improved stability compared to the protease with SEQ ID NO 1, selected from the group consisting of:
59E, N76D, Q206L, Y209W, 5256D;
59E, N43R, N76D, A194P, Q206L, 5259D, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, L262E;
59E, N43R, N76D, A194P, Q206L, L262E;
59E, N43R, N76D, P131*, A194P, Q206L, Y209W, 5259D, L262E;
59E, N43R, N76D, *99aE, P131*, A194P, Q206L, Y209W, 5259D, L262E;
N43R, N76D, Q206L, Y209W, 5256D;
59E, N43R, N76D, Q206L, Y209W, 5256D;
59E, N43R, N76D, A194P, Q206L, Y209W, 5259D, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, 5212G, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, 5259D, N261W, L262E;
59E, N43R, N76D, G115W, A194P, Q206L, Y209W, 5259D, L262E;
59E, N43R, N76D, G1 15W, H120V, A194P, Q206L, Y209W, 5259D, L262E;
59E, N43R, N76D, Q191N, A194P, Q206L, Y209W, 5259D, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, 5212G, 5259D, L262E;
59E, N43R, N76D, A194P, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, T255E, 5256D, 5259D, T260E, N261W, L262E;

S9E, N43R, N76D, G115W, H120V, P129D, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S256D, S259D, N261W, L262E;
S9E, N76D, Q206L, Y209W, L262E;
S9E, N76D, Q206L, Y209W, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S259D, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, S259D, N261W, L262E;
S9E, N43R, N76D, Q137H, S141H, R145H, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, Q137H, S141H, R145H, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, T255E, S256D, S259D, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, S259D, T260E, N261W, L262E;
S9E, N43R, N76D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, G160D, S161E, S163G, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, Q137H, S141H, R145H, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, Q137H, S141H, R145H, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, A48H, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E, *275aR;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, T260A, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E;

S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E, *275aR;
S9E, N43R, A48H, N76D, N117H, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, S256D, T260A, L262E;
S9E, N43R, A48H, N76D, N117H, P129D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, S256D, T260A, L262E;
S9E, N43R, N76D, P129D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E, *275aH, *275bH;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, A48H, N76D, N117H, A158E, G160P, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E;
S9E, N43R, A48H, N76D, N117H, G160D, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, A48H, N76D, N117H, H120D, A158E, G160P, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E, *275aR;
S9E, N43R, N76D, A194P, G195E, Q206L, Y209W, S259D, L262E, *275aR;
S9E, N43R, N76D, N117H, H120D, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, P129D, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, P129D, A194P, G195E, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;

S9E, N43R, N76D, A194P, Q206L, Y209W, S259D, T260A, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, Q206L, Y209W, S259D, T260A, L262E, *275aR;
S9E, N43R, A48H, N76D, N117H, A194P, Q206L, Y209W, N238H, S259D, T260A, L262E;
S9E, G61E, N76D, Q206L, Y209W, S256D, L262E;
S9E, G61E, N76D, Q206L, S256D, L262E;
S9E, G61E, N76D, P129D, Q206L, T260A, L262E;
S9E, G61E, N76D, N204D, Q206L, Y209W, L262E;
S9E, G61E, N76D, Q137H, S141H, R145H, N204D, Q206L, Y209W, L262E, *275aR;
S9E, G61E, N76D, N204D, Q206L, Y209W, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, A48H, N76D, N117H, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N43R, A48H, N76D, N117H, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, G2OH, T22H, S24H, N43R, N76D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, S163G, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, S163G, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aR;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, L262E;

S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, T260A, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E;
S9E, N43R, N76D, P129D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, T260A, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, A48H, N76D, N117H, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E, *275aR;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, Y91H, N117H, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N43R, A48H, N76D, N117H, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N76D, V2051, Q206L, Y209W, N261W, L262E;
S9E, N76D, Q182E, V2051, Q206L, Y209W, S256D, N261W, L262E;
S9E, N43R, N76D, Q182E, A194P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, G115W, A194P, Q206L, Y209W, L217M, S259D, L262E;
S9E, N43R, N76D, G115W, A194P, Q206L, Y209W, S216T, S259D, L262E;
S9E, N43R, N76D, S188E, A194P, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, S78H, A194P, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, N117H, A194P, Q206L, Y209W, N238H, S259D, T260A, L262E;
S9E, N43R, N76D, N185E, S188E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, A194P, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, H120V, Q182E, A194P, V2051, Q206L, Y209W, S256D, N261W, L262E, *275aH, *275bH;
S3V, N76D, H120V, Q182E, N185E, S188E, V2051, Q206L, Y209W, S216V, S256D, N261W, L262E;
S3V, S9R, N76D, H120V, Q182E, N185E, S188E, V2051, Q206L, Y209W, S216V, S256D, N261W, L262E;
S9E, N43R, N76D, S188E, A194P, V2051, Q206L, Y209W, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, G160P, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, L262E;
S9E, N43R, N76D, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160P, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;

S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, A194P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, A158E, G160P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, A158E, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, G160P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, G160P, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, N204D, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, V2051, Q206L, Y209W, S212G, S259D, N261W, L262E;
S9E, N43R, N76D, N204D, V2051, Q206L, Y209W, S212G, S216V, S259D, N261W, L262E;
S9E, N43R, N76D, V2051, Q206L, Y209W, S216V, S259D, N261W, L262E;
S9E,N76D,Q206L,Y209W,S256D;
S9E,N43R,N76D,A194P,Q206L,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,L262E;
S9E,N43R,N76D,A194P,Q206L,L262E;
S9E,N43R,N76D,P131*,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,*99aE,P131*,A194P,Q206L,Y209W,S259D,L262E;
N43R,N76D,Q206L,Y209W,S256D;
S9E,N43R,N76D,Q206L,Y209W,S256D;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,G115W,H120V,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,Q191N,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S259D,L262E;
S9E,N43R,N76D,A194P,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;

S9E,N43R,N76D,A194P,Q206L,Y209W,T255E,S256D,S259D,T260E,N261W,L262E;
S9E,N43R,N76D,G115W,H120V,P129D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S256D,S259D,N261W,L262E;
S9E,N76D,Q206L,Y209W,L262E;
S9E,N76D,Q206L,Y209W,N261W,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,N261W,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S259D,N261W,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,S259D,N261W,L
262E;
S9E,N43R,N76D,Q137H,S141H,R145H,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,Q137H,S141H,R145H,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L
262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,S259D,T260E,N
261W,L262E;
S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,G160D,S161E,S163G,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L
262E;
S9E,N43R,N76D,Q137H,S141H,R145H,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E;
S9E,N43R,N76D,Q137H,S141H,R145H,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH;
S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y20 9W,S212G,S216V,N238H,L262E,*275aR;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,L
262E;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,T260A,L2 62E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L2 62E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L262E,*2 75aR;
S9E,N43R,A48H,N76D,N117H,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,N238H,S2 56D,T260A,L262E;
S9E,N43R,A48H,N76D,N117H,P129D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,S256D,T260A,L262E;
S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L2 62E,*275aH,*275bH;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,Q206L,Y209W,N238H,S259D,L2 62E;
S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,Q206L,Y209W,N238H,S259D,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q206L,Y209W,N238H,S259D,L
262E,*275aH,*275bH;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E,*275aH,*
275bH;
S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q206L,Y209W,N238H,S
259D,L262E,*275aR;
S9E,N43R,N76D,A194P,G195E,Q206L,Y209W,S259D,L262E,*275aR;
S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,P129D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,P129D,A194P,G195E,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,T260A,L262E;
S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,T260A,L262E,*275aR;
S9E,N43R,A48H,N76D,N117H,A194P,Q206L,Y209W,N238H,S259D,T260A,L262E;
S9E,G61E,N76D,Q206L,Y209W,S256D,L262E;
S9E,G61E,N76D,Q206L,S256D,L262E;
S9E,G61E,N76D,P129D,Q206L,T260A,L262E;
S9E,G61E,N76D,N204D,Q206L,Y209W,L262E;
S9E,G61E,N76D,Q137H,S141H,R145H,N204D,Q206L,Y209W,L262E,*275aR;
S9E,G61E,N76D,N204D,Q206L,Y209W,L262E,*275aH,*275bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L2 62E;
S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S2 12G,S216V,N238H,L262E;
S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S2 16V,N238H,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L2 62E,*275aH,*275bH;
S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,G2OH,T22H,S24H,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212 G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V, L262E,*275aH ,*275bH;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aR;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,T260A,L262E;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T
260A,L262E;
S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L2 62E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,L262E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,T260A,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,L262E,*275aR;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,Y91H,N117H,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,L262E;
S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,L262E;
S9E,N76D,V2051,Q206L,Y209W,N261W,L262E;
S9E,N76D,Q182E,V2051,Q206L,Y209W,S256D,N261W,L262E;
S9E,N43R,N76D,Q182E,A194P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,L217M,S259D,L262E;
S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S216T,S259D,L262E;
S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,S78H,A194P,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,N117H,A194P,Q206L,Y209W,N238H,S259D,T260A,L262E;
S9E,N43R,N76D,N185E,S188E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,H120V,Q182E,A194P,V2051,Q206L,Y209W,S256D,N261W,L262E,*275aH,*
275bH;
S3V,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y209W,S216V,S256D,N261W,L262E;
S3V,S9R,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y209W,S216V,S256D,N261W,L2 62E;
S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L262E,*275aH,*275bH;
S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,L262E;
S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;

S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S216V,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,A158E,A194P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,A158E,G160P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,A158E,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G160P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G160P,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,V2051,Q206L,Y209W,S212G,S259D,N261W,L262E;
S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S212G,S216V,S259D,N261W,L262E;
S9E,N43R,N76D,V2051,Q206L,Y209W,S216V,S259D,N261W,L262E;
S9E,N76D,V2051,Q206L,Y209W,S259D,N261W,L262E.
The invention relates in one embodiment to subtilase variants of a protease parent having at least 60%, such as at least 70%, such as at least 75%, such as at least 80%, such as at least 85%, such as at least 90%, such as at least 95% or 100% sequence identity to SEQ ID
NO: 1, wherein the subtilase variants compared to SEQ ID NO: 1 comprises the substitutions X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S]
+ X216 [V, S] + X256 [D, S] + X259 [D, S] + X260 [A, E, T] + X261 [W, N] +
X262 [E], wherein the positions correspond to the positions of the polypeptide of SEQ ID NO: 2.
As mentioned above, Fig. 1 provides an alignment of the sequences of SEQ ID NO: 1 and SEQ
ID NO: 2, and the skilled person can easily align other subtilase parents than SEQ ID NO: 1 and find the corresponding amino acids in SEQ ID NO: 2.
The inventors have found that the substitutions X194 [P, A] + X195 [E, G] +
X204 [D, N]
+ X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S] + X260 [A, E, T] + X261 [W, N] + X262 [E] provide increased stability to a subtilase (e.g., half-life improvement factor of >100).
Thus, one embodiment of the invention relates to subtilase variants which compared to the parent subtilase and/or compared to a subtilase with SEQ ID NO: 1 comprise the mutations X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S]
+ X216 [V, S] + X256 [D, S] + X259 [D, S] + X260 [A, E, T] + X261 [W, N] +
X262 [E] (numbered according to SEQ ID NO: 2) and which have increase stability in a detergent compared to the parent subtilase, e.g. compared to SEQ ID NO: 1.
A particular preferred embodiment relates to subtilase variants comprising, compared to SEQ ID NO: 1, the substitutions X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S] +
X260 [A, E, T] +
X261 [W, N] + X262 [E] (numbered according to SEQ ID NO 2) and which have at least 5%, such as at least 10%, such as at least 20%, at least 30%, at least 40%, at least 50%, at least 60%, at least 70%, at least 80%, at least 90%, at least 100%, at least 110%, at least 120%, at least 130%, at least 140%, at least 150%, at least 160%, or at least 170%
higher residual activity than the parent subtilase and/or a subtilase with SEQ ID NO: 1 when measured after 47 hours at 60 C in liquid detergent with pH 8, as described in Examples 4 and 5 of the application.
Another preferred embodiment relates to subtilase variants comprising, compared to SEQ ID NO: 1, the substitutions X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S] +
X260 [A, E, T] +
X261 [W, N] + X262 [E] (numbered according to SEQ ID NO: 2) which have a t%
half-life improvement factor relative to the parent or relative to SEQ ID NO: 1 (subtilisin 309) which is greater than 1 and preferably at least 2, such as at least 5, such as at least 10, such as at least 50, at least 100, at least 200, at least 300, at least 400, at least 500, at least 600, at least 800, at least 1000, at least 1500, at least 2000, at least 2500, at least 3000, at least 3500, at least 4000, at least 4500, at least 5000, at least 5500, at least 6000, at least 6500, at least 7000, at least 7500, at least 8000, at least 8500, at least 9000, at least 9500 or at least 10000 or more.
Calculation of t% half-life improvement factors is described in Example 4.
Another preferred embodiment relates to subtilase variants comprising, compared to SEQ ID NO: 1, the substitutions X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S] +
X260 [A, E, T] +
X261 [W, N] + X262 [E] (numbered according to SEQ ID NO: 2), wherein the subtilase variants have at least 10% more, such as at least 20%, at least 25%, at least 30%, at least 35%, at least 40%, at least 45%, at least 50%, at least 55% at least 60%, at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90% or at least 95% more residual activity compared to the parent or compared to SEQ ID NO 1. Calculation of residual activity or t% is described in Example 4 herein.
In another preferred embodiment, the invention relates to subtilase variants which compared to the parent subtilase and/or compared to a subtilase with SEQ ID
NO: 1 comprise the mutations X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y]
+ X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S] + X260 [A, E, T] +
X261 [W, N] + X262 [E] (numbered according to SEQ ID NO: 2) and which have increase stability in a detergent compared to the parent subtilase, e.g. compared to SEQ ID NO: 1, and which have on par or improved wash performance compared to the parent subtilase e.g. compared to SEQ ID NO: 1.
The variants of the invention may comprise additional stabilising and/or performance enhancing mutations such as 53V, 59E, 59R, G2OH, T22H, 524H, N43R, A48H, G61E, I72A, N76D, 578H, Y91H, *99aE, G115W, N117H, H120V, H120D, P129D, P131*, Q137H, 5141H, R145H, A158E, G160P, G160D, 5161E, 5163G, Q182E, N185E, 5188E, Q191N, L217M, N238H, T255E, *275aH, *275bH and *275aR.
In one embodiment and according to any of the above embodiments a variant of the invention comprises the following substitutions compared to SEQ ID NO 1:
59E, N43R, N76D, A194P, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, N261W, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, 5259D, N261W, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, 5256D, 5259D, T260E, N261W, L262E;
59E, N43R, N76D, V205I, Q206L, Y209W, 5259D, N261W, L262E;
wherein the variants have improved stability compared to the protease with SEQ
ID NO 1.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention is selected from the group consisting of:
59E, N43R, N76D, A194P, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, N261W, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, 5259D, N261W, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, 5256D, 5259D, T260E, N261W, L262E;
59E, N43R, N76D, V205I, Q206L, Y209W, 5259D, N261W, L262E.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide selected from the group consisting of: SEQ ID
NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11.

According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises a set of substitutions (or amino acids):
X194 [P, A] + X195 [E, G] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] +
X216 [V, S] + X256 [D, S] + X259 [D, S] + X260 [A, E, T] + X261 [W, N] + X262 [E], wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID
NO: 2 (e.g., using the numbering of SEQ ID NO: 2);
(b) the variant has protease activity; and (c) the variant has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has one or more of the features selected from the group consisting of:
(d) the variant has a half-life improvement factor of >100 (e.g., compared to a parent polypeptide, e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9,10 or 11);
(e) the variant has a melting temperature greater than 70 C and/or the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I: R= - LLGunfold / .8:1m, wherein said .8.Tm = Tm(variant) -Tm(parent polypeptide), wherein said Gunfold = - 2685 x In(half-life improvement factor), wherein said parent polypeptide is selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; preferably said ratio R is greater than 0, further preferably said ratio R
is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100%
sequence identity to the polypeptide selected from the group consisting of:
(i) SEQ ID NO: 1, wherein said subtilase variant comprises two or more (e.g., three, four, five, six, seven, eight, nine, ten, eleven, twelve) of the substitutions (or amino acids) selected from the group consisting of: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W]; and (ii) SEQ ID NO: 2, wherein said subtilase variant comprises two or more (e.g., three, four, five, six, seven, eight, nine, ten, eleven, twelve) of the substitutions (or amino acids) selected from the group consisting of: X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S, D], X260 [T, A, E], X261 [N, W].
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has the following features:
d) the variant has a half-life improvement factor of >100 (e.g., compared to a parent polypeptide selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(e) the variant has a melting temperature greater than 70 C and/or the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9,10 or 11);
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I: R= - LLGunfold / .8.Trn, wherein said .8.Tm = Tm(variant) -Tm(parent polypeptide) (e.g., a parent polypeptide selected from the group consisting of: SEQ ID NO:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11), wherein said Gunfold = - 2685 x In(half-life improvement factor), preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises the substitutions (or amino acids): X194 [P, A] + X204 [D, N]
+ X205 [I] + X206 [L] + X209 [W] + X212 [G, S] + X216 [V, S] + X259 [S, D] +
X261 [N, W] +
X262 [E].
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises the substitutions (or amino acids): X194 [P] + X204 [D] +
X205 [I] + X206 [L] + X209 [W] + X212 [G] + X216 [V] + X259 [D] + X261 [W] +
X262 [E].
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 1.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 2.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 3.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less .. than 100% sequence identity to the polypeptide of SEQ ID NO: 4.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 5.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 6.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 7.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 8.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 9.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 10.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 11.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention at positions corresponding to positions 194-216 of the polypeptide of SEQ ID NO: 2 (e.g., using the numbering of SEQ ID NO: 2) comprises a sequence selected from the group consisting of: SEQ ID NO: 12-60.

According to one embodiment and/or any of the above embodiments the subtilase variant of the invention at positions corresponding to positions 256-262 of the polypeptide of SEQ ID NO: 2 (e.g., using the numbering of SEQ ID NO: 2) comprises a sequence selected from the group consisting of: SEQ ID NO: 61-109.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention at positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID NO: 2 comprises a combination of sequences selected from the group consisting of:
SEQ ID NO: 12 and SEQ ID NO: 61;
SEQ ID NO: 13 and SEQ ID NO: 62;
SEQ ID NO: 14 and SEQ ID NO: 63;
SEQ ID NO: 15 and SEQ ID NO: 64;
SEQ ID NO: 16 and SEQ ID NO: 65;
SEQ ID NO: 17 and SEQ ID NO: 66;
SEQ ID NO: 18 and SEQ ID NO: 67;
SEQ ID NO: 19 and SEQ ID NO: 68;
SEQ ID NO: 20 and SEQ ID NO: 69;
SEQ ID NO: 21 and SEQ ID NO: 70;
SEQ ID NO: 22 and SEQ ID NO: 71;
SEQ ID NO: 23 and SEQ ID NO: 72;
SEQ ID NO: 24 and SEQ ID NO: 73;
SEQ ID NO: 25 and SEQ ID NO: 74;
SEQ ID NO: 26 and SEQ ID NO: 75;
SEQ ID NO: 27 and SEQ ID NO: 76;
SEQ ID NO: 28 and SEQ ID NO: 77;
SEQ ID NO: 29 and SEQ ID NO: 78;
SEQ ID NO: 30 and SEQ ID NO: 79;
SEQ ID NO: 31 and SEQ ID NO: 80;
SEQ ID NO: 32 and SEQ ID NO: 81;
SEQ ID NO: 33 and SEQ ID NO: 82;
SEQ ID NO: 34 and SEQ ID NO: 83;
SEQ ID NO: 35 and SEQ ID NO: 84;
SEQ ID NO: 36 and SEQ ID NO: 85;
SEQ ID NO: 37 and SEQ ID NO: 86;
SEQ ID NO: 38 and SEQ ID NO: 87;
SEQ ID NO: 39 and SEQ ID NO: 88;
SEQ ID NO: 40 and SEQ ID NO: 89;

SEQ ID NO: 41 and SEQ ID NO: 90;
SEQ ID NO: 42 and SEQ ID NO: 91;
SEQ ID NO: 43 and SEQ ID NO: 92;
SEQ ID NO: 44 and SEQ ID NO: 93;
SEQ ID NO: 45 and SEQ ID NO: 94;
SEQ ID NO: 46 and SEQ ID NO: 95;
SEQ ID NO: 47 and SEQ ID NO: 96;
SEQ ID NO: 48 and SEQ ID NO: 97;
SEQ ID NO: 49 and SEQ ID NO: 98;
SEQ ID NO: 50 and SEQ ID NO: 99;
SEQ ID NO: 51 and SEQ ID NO: 100;
SEQ ID NO: 52 and SEQ ID NO: 101;
SEQ ID NO: 53 and SEQ ID NO: 102;
SEQ ID NO: 54 and SEQ ID NO: 103;
SEQ ID NO: 55 and SEQ ID NO: 104;
SEQ ID NO: 56 and SEQ ID NO: 105;
SEQ ID NO: 57 and SEQ ID NO: 106;
SEQ ID NO: 58 and SEQ ID NO: 107;
SEQ ID NO: 59 and SEQ ID NO: 108;
SEQ ID NO: 60 and SEQ ID NO: 109.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises one or more alterations (e.g., substitutions, insertions or deletions) at positions selected from the group consisting of positions: 3, 9, 20, 22, 24, 43, 48, 61, 72, 76, 78, 91, 99, 115, 117, 120, 120, 129, 131, 137, 141, 145, 158, 160, 160, 161, 163, 182, 185, 188, 191, 217, 238, 255, 275, 275 and 275, wherein each position corresponds to the position of the polypeptide of SEQ ID NO: 2 (e.g., using the numbering of SEQ
ID NO: 2).
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises one or more alterations (e.g., substitutions, insertions or deletions) selected from the group consisting of: 53V, 59E, 59R, G2OH, T22H, 524H, N43R, A48H, G61E, I72A, N76D, 578H, Y91H, *99aE, G115W, N117H, H120V, H120D, P129D, P131*, Q137H, 5141H, R145H, A158E, G160P, G160D, 5161E, 5163G, Q182E, N185E, 5188E, Q191N, L217M, N238H, T255E, *275aH, *275bH and *275aR, wherein each position corresponds to the position of the polypeptide of SEQ ID NO: 2 (e.g., using the numbering of SEQ ID NO: 2).
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has the total number of alterations compared to SEQ
ID NO: 1 of at least 5, such as between 5 and 26, such as between 5 and 20, such as between 5 and

15, such as between 5 and 10 alterations.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention consists of 250 to 290, 260 to 280, 268 to 275, 269 to 271 or 269 amino acids. The subtilase variants may also consist of 150 to 350, e.g., 175 to 330, 200 to 310, 220 to 300, 240 to 290, 260 to 280 or 269, 270, 271, 272, 273, 274 or 275 amino acids.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a half-life improvement factor of >100, preferably said variant has a half-life improvement factor of >300, further preferably said variant has a half-life improvement factor of >500, more preferably said variant has a half-life improvement factor of >700, even more preferably said variant has a half-life improvement factor of > 1000, and most preferably said variant has a half-life improvement factor of >1400.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a melting temperature (Tm) greater than 70 C
and/or the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11), preferably said Tm is greater than 75 C, further preferably said Tm is greater than 80 C, most preferably said Tm is greater than 90 C.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula 1:
R= - LLGunfold / .8.Trn, wherein said .8.Tm = Tm(variant) - Tm(parent polypeptide) (e.g., a parent polypeptide selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11), wherein said Gunfold = - 2685 x In(half-life improvement factor), preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has improved wash stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of: of SEQ
ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has improved storage stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of:
of SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises the substitutions (or amino acids): X262E +
X209W + X2051, wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID

NO: 2 (e.g., using the numbering of SEQ ID NO: 2);
(b) the variant has protease activity; and (c) the variant has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11;
wherein said variant further has one or more of the features selected from the group consisting of:
(d) the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID
NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(e) the variant has a half-life improvement factor of >100 (e.g., compared to a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9,10 or 11);
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I: R= - LLGunfold / .8.Trn, wherein said .8.Tm = Tm(variant) -Tm(parent polypeptide), wherein said Gunfold = - 2685 x In(half-life improvement factor), wherein said parent polypeptide is selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; preferably said ratio R is greater than 0, further preferably said ratio R
is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5;
(g) variant has a melting temperature (Tm) greater than 70 C, preferably said Tm is greater than 75 C, further preferably said Tm is greater than 80 C, most preferably said Tm is greater than 90 C.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises the features: (a), (b), (c), (d), and (e) as described above.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention comprises the substitutions L262E + Y209W + V205I, wherein the variant has at least 65%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100%
sequence identity to the polypeptide of SEQ ID NO: 1.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has its melting temperature measured in a solution comprising 50 mM
HEPES having pH 7.8 and 2 mM CaCl2, wherein said measurement is carried out at a temperature of at least 83 C (e.g., measured by differential scanning calorimetry).
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a set of alterations selected from the group consisting of:
S9E, N43R, N76D, A194P, V205I, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, S212G, S216V, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, S212G, S216V, S259D, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, S212G, S216V, S256D, S259D, T260E, N261W, L262E;
S9E, N43R, N76D, V205I, Q206L, Y209W, S259D, N261W, L262E.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a half-life improvement factor of >100, preferably said variant has a half-life improvement factor of >300, further preferably said variant has a half-life improvement factor of >500, more preferably said variant has a half-life improvement factor of >700, even more preferably said variant has a half-life improvement factor of > 1000, and most preferably said variant has a half-life improvement factor of >1400.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a melting temperature (Tm) greater than 70 C, preferably said Tm is greater than 75 C, further preferably said Tm is greater than 80 C, most preferably said Tm is greater than 90 C.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I:
R= - LLGunfold / .8.Trn, wherein said .8.Tm = Tm(variant) - Tm(parent polypeptide), wherein said Gunfold = - 2685 x In(half-life improvement factor), wherein said parent polypeptide is selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has improved wash stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of: of SEQ
ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).
According to one embodiment and/or any of the above embodiments the subtilase variant of the invention has improved storage stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of:
of SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).
In one embodiment, the subtilase variant has improved stability, in particular improved storage stability, compared to the parent subtilase. In a preferred embodiment, the subtilase variant has improved stability, in particular improved storage stability, and on par or improved wash performance compared to the parent subtilase.
In one embodiment, the subtilase variant has improved stability, in particular improved wash stability, compared to the parent subtilase. In a preferred embodiment, the subtilase variant has improved stability, in particular improved storage stability, and on par or improved wash performance compared to the parent subtilase.
In an embodiment, the subtilase variant has improved stability, in particular improved in wash stability, and on par or improved wash performance compared to the parent subtilase wherein wash stability is measured using the 'in wash stability assay' as described in WO
2016/174234 and wash performance is measured using the Automatic Mechanical Stress Assay (AMSA) as described in Example 3.
Parent protease The parent or the precursor protease may be any subtilase or even more preferred any subtilisin as defined below.
Enzymes cleaving the amide linkages in protein substrates are classified as proteases, or (interchangeably) peptidases (see Walsh, 1979, Enzymatic Reaction Mechanisms. W.H.
Freeman and Company, San Francisco, Chapter 3).
Serine proteases A serine protease is an enzyme which catalyzes the hydrolysis of peptide bonds, and in which there is an essential serine residue at the active site (White, Handler and Smith, 1973 "Principles of Biochemistry," Fifth Edition, McGraw-Hill Book Company, NY, pp.
271-272).
The bacterial serine proteases have molecular weights in the 20,000 to 45,000 Dalton range. They are inhibited by diisopropylfluorophosphate. They hydrolyze simple terminal esters and are similar in activity to eukaryotic chymotrypsin, also a serine protease. A more narrow term, alkaline protease, covering a sub-group, reflects the high pH optimum of some of the serine proteases, from pH 9.0 to 11.0 (for review, see Priest, 1977, Bacteriological Rev. 41:
711-753).
Subtilases A sub-group of the serine proteases designated subtilases were proposed by Siezen et al., 1991, Protein Eng. 4:719-737 and Siezen et al., 1997, Protein Science 6:501-523. They are defined by homology analysis of more than 170 amino acid sequences of serine proteases previously referred to as subtilisin-like proteases. A subtilisin was previously often defined as a serine protease produced by Gram-positive bacteria or fungi, and according to Siezen etal. now is a subgroup of subtilases. A wide variety of subtilases have been identified, and the amino acid sequence of a number of subtilases has been determined. For a more detailed description of such subtilases and their amino acid sequences reference is made to Siezen etal. (1997).
Subtilisins A subgroup of subtilases is subtilisins, which are serine proteases from the family S8, in particular from the subfamily S8A, as defined by the MEROPS database (merops.sanger.ac.uk/cgi-bin/famsum?family=S8).
Subtilisin BPN' and subtilisin 309 have the MEROPS numbers S08.034 and S08.003, respectively.
Parent subtilase The term "parent subtilase" describes a subtilase defined according to Siezen et al., 1997, Protein Science 6: 501-523. For further details see the description of "Subtilases" above.
A parent subtilase may also be a subtilase isolated from a natural source, wherein subsequent modifications (such as replacement(s) of the amino acid side chain(s), substitution(s), deletion(s) and/or insertion(s)) have been made while retaining the characteristic of a subtilase.
Furthermore, a parent subtilase may be a subtilase which has been prepared by the DNA
shuffling technique, such as described by Ness etal., 1999, Nature Biotechnology, 17: 893-896.
Alternatively, the term "parent subtilase" may be termed "precursor subtilase"
and is used to describe the starting protease into which mutations are made to obtain the variant of the invention. The parent subtilase is preferably of the subtilisin subgroups.
One subgroup of the subtilases, I-S1 or "true" subtilisins, include the "classical"
subtilisins, such as subtilisin 168 (BSS168), subtilisin BPN', subtilisin Carlsberg (ALCALASEO, Novozymes NS), and subtilisin DY (BSSDY). BPN' is subtilisin BPN' from B.
amyloliquefaciens, Subtilisin BPN' has the amino acid sequence of SEQ ID NO: 2. A further subgroup of the subtilases, I-S2 or high alkaline subtilisins, is recognized by Siezen et al.
(supra). Sub-group I-S2 proteases are described as highly alkaline subtilisins and include enzymes such as subtilisin PB92 (BAALKP) (MAXACALO, Genencor International Inc.), subtilisin 147 (BL5147) (ESPERASEO, Novozymes NS), alkaline elastase YaB (BSEYAB) and subtilisin 309 (SAVINASEO, Novozymes NS) having the amino acid sequence SEQ ID NO: 1.
For reference, Table 1 below gives a list of some acronyms for various subtilases mentioned herein. For further acronyms, see Siezen etal. (1991 and 1997).

Table 1: Acronyms of various subtilases Organism Enzyme Acronym Sequence Bacillus subtilis 168 subtilisin I168,apr BSS168 SEQ ID NO:

Bacillus amyloliquefaciens subtilisin BPN' (NOVO) BASBPN SEQ ID NO: 2 Bacillus subtilis DY subtilisin DY BSSDY SEQ ID NO: 4 Bacillus licheniformis subtilisin Carlsberg BLSCAR SEQ ID NO: 5 Bacillus lentus subtilisin 309 BLSAVI SEQ ID NO: 1 Bacillus lentus subtilisin 147 BLS147 SEQ ID NO: 6 Bacillus alcalophilus PB92 subtilisin PB92 BAPB92 SEQ ID NO: 7 Bacillus YaB alkaline elastase YaB BYSYAB SEQ ID NO: 8 Bacillus sp. NKS-21 subtilisin ALP I BSAPRQ SEQ ID NO: 9 Bacillus sp. G-825-6 subtilisin Sendai BSAPRS SEQ ID NO: 10 Thermoactinomyces vulgaris Thermitase TVTHER SEQ ID NO: 11 Homologous subtilase sequences The homology between two amino acid sequences is in this context described by the parameter "identity" for purposes of the present invention, the degree of identity between two amino acid sequences is determined using the Needleman-Wunsch algorithm as described above. The output from the routine is besides the amino acid alignment the calculation of the "Percent Identity" between the two sequences.
Based on this description it is routine for a person skilled in the art to identify suitable homologous subtilases, which can be modified according to the invention.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 1, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In .. one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 1. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 1.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 2, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 2. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 2.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 3, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 3. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 3.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 4, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 4. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 4.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 5, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 5. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 5.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 6, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 6. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 6.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 7, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 7. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 7.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 8, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 8. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 8.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 9, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 9. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 9.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 10, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 10. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 10.
The parent protease may be a polypeptide having at least 60% sequence identity to the polypeptide of SEQ ID NO: 11, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100%, which has protease activity. In one aspect, the amino acid sequence of the parent differs by up to 10 amino acids, e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, from the polypeptide of SEQ ID NO: 11. In another aspect, the parent comprises or consists of the amino acid sequence of SEQ ID NO: 11.
The polypeptide may be a hybrid polypeptide in which a region of one polypeptide is fused at the N-terminus or the C-terminus of a region of another polypeptide.
The parent subtilase may be obtained from microorganisms of any genus. For purposes of the present invention, the term "obtained from" as used herein in connection with a given source shall mean that the parent encoded by a polynucleotide is produced by the source or by a strain in which the polynucleotide from the source has been inserted. In one aspect, the parent is secreted extracellularly.
The parent may be a bacterial protease. For example, the parent may be a Gram-positive bacterial polypeptide such as a Bacillus, Clostridium, Enterococcus, Geobacillus, Lactobacillus, Lactococcus, Oceanobacillus, Staphylococcus, Streptococcus, or Streptomyces protease, or a Gram-negative bacterial polypeptide such as a Campylobacter, E.
coli, Fla vobacterium, Fusobacterium, Helicobacter, Ilyobacter, Neisseria, Pseudomonas, Salmonella, or Ureaplasma protease.
In one aspect, the parent is a Bacillus alkalophilus, Bacillus amyloliquefaciens, Bacillus brevis, Bacillus circulans, Bacillus clausii, Bacillus coagulans, Bacillus firmus, Bacillus lautus, Bacillus lentus, Bacillus licheniformis, Bacillus megaterium, Bacillus pumilus, Bacillus stearothermophilus, Bacillus subtilis, or Bacillus thuringiensis protease Strains of these species are readily accessible to the public in a number of culture collections, such as the American Type Culture Collection (ATCC), Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH (DSMZ), Centraalbureau Voor Schimmelcultures (CBS), and Agricultural Research Service Patent Culture Collection, Northern Regional Research Center (NRRL).
The parent may be identified and obtained from other sources including microorganisms isolated from nature (e.g., soil, composts, water, etc.) or DNA samples obtained directly from natural materials (e.g., soil, composts, water, etc.) using the above-mentioned probes.
Techniques for isolating microorganisms and DNA directly from natural habitats are well known in the art. A polynucleotide encoding a parent may then be obtained by similarly screening a genomic DNA or cDNA library of another microorganism or mixed DNA sample. Once a polynucleotide encoding a parent has been detected with the probe(s), the polynucleotide can be isolated or cloned by utilizing techniques that are known to those of ordinary skill in the art (see, e.g., Sambrook et al., 1989, supra).
Preparation of Variants The present invention also relates to methods for obtaining a subtilase variant having protease activity, comprising:
(a) introducing into a parent subtilase (e.g., selected from the group consisting of:
SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11) the substitutions X194 [P, A]
+ X195 [G, E] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] +
X256 [S, D] +
X259 [S, D] + X260 [T, A, E] + X261 [N, W] + X262 [E]; and (b) recovering the variant.
The present invention also relates to methods for obtaining a subtilase variant having protease activity, comprising:
(a) introducing into a parent subtilase the substitution X262 [E] and at least two further substitutions (e.g., at least three, at least four, at least five, at least six, at least seven, at least eight, at least nine, at least ten, at least eleven, at least twelve) selected from the group consisting of:
(i) X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W], wherein the parent subtilase has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% sequence identity to SEQ ID
NO:1, or (ii) X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W], wherein the parent subtilase has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% sequence identity to SEQ ID NO:2; and (b) recovering the variant.
The present invention also relates to methods for obtaining a subtilase variant having protease activity, comprising:
(a) introducing into a parent subtilase (e.g., selected from the group consisting of:
SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11) the substitutions X262E +
X209W + X2051; and (b) recovering the variant.
The present invention also relates to any methods for obtaining a subtilase variant having protease activity as described above, wherein the parent subtilase has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% sequence identity to SEQ ID NO:1.
The variants can be prepared using any mutagenesis procedure known in the art, such as site-directed mutagenesis, synthetic gene construction, semi-synthetic gene construction, random mutagenesis, shuffling, etc.
Site-directed mutagenesis is a technique in which one or more mutations are introduced at one or more defined sites in a polynucleotide encoding the parent.
Site-directed mutagenesis can be accomplished in vitro by PCR involving the use of oligonucleotide primers containing the desired mutation. Site-directed mutagenesis can also be performed in vitro by cassette mutagenesis involving the cleavage by a restriction enzyme at a site in the plasmid comprising a polynucleotide encoding the parent and subsequent ligation of an oligonucleotide containing the mutation in the polynucleotide. Usually the restriction enzyme that digests the plasmid and the oligonucleotide is the same, permitting sticky ends of the plasmid and the insert to ligate to one another. See, e.g., Scherer and Davis, 1979, Proc. Natl.
Acad. Sci. USA 76: 4949-4955; and Barton etal., 1990, Nucleic Acids Res. 18:
7349-4966.
Site-directed mutagenesis can also be accomplished in vivo by methods known in the art. See, e.g., US 2004/0171154; Storici etal., 2001, Nature Biotechnol. 19:
773-776; Kren et al., 1998, Nat. Med. 4: 285-290; and Calissano and Macino, 1996, Fungal Genet.
Newslett. 43:

15-16.
Any site-directed mutagenesis procedure can be used in the present invention.
There are many commercial kits available that can be used to prepare variants.
Synthetic gene construction entails in vitro synthesis of a designed polynucleotide .. molecule to encode a polypeptide of interest. Gene synthesis can be performed utilizing a number of techniques, such as the multiplex microchip-based technology described by Tian et al. (2004, Nature 432: 1050-1054) and similar technologies wherein oligonucleotides are synthesized and assembled upon photo-programmable microfluidic chips.
Single or multiple amino acid substitutions, deletions, and/or insertions can be made and tested using known methods of mutagenesis, recombination, and/or shuffling, followed by a relevant screening procedure, such as those disclosed by Reidhaar-Olson and Sauer, 1988, Science 241: 53-57; Bowie and Sauer, 1989, Proc. Natl. Acad. Sci. USA 86: 2152-2156; WO
95/17413; or WO 95/22625. Other methods that can be used include error-prone PCR, phage display (e.g., Lowman et al., 1991, Biochemistry 30: 10832-10837; US
5,223,409; WO
92/06204) and region-directed mutagenesis (Derbyshire etal., 1986, Gene 46:
145; Ner et al., 1988, DNA 7: 127).
Mutagenesis/shuffling methods can be combined with high-throughput, automated screening methods to detect activity of cloned, mutagenized polypeptides expressed by host cells (Ness et al., 1999, Nature Biotechnology 17: 893-896). Mutagenized DNA
molecules that encode active polypeptides can be recovered from the host cells and rapidly sequenced using standard methods in the art. These methods allow the rapid determination of the importance of individual amino acid residues in a polypeptide.
Semi-synthetic gene construction is accomplished by combining aspects of synthetic gene construction, and/or site-directed mutagenesis, and/or random mutagenesis, and/or shuffling. Semi-synthetic construction is typified by a process utilizing polynucleotide fragments that are synthesized, in combination with PCR techniques. Defined regions of genes may thus be synthesized de novo, while other regions may be amplified using site-specific mutagenic primers, while yet other regions may be subjected to error-prone PCR or non-error prone PCR
amplification. Polynucleotide subsequences may then be shuffled.
Polynucleotides The present invention also relates to polynucleotides encoding a variant of the present invention.
Nucleic Acid Constructs The present invention also relates to nucleic acid constructs comprising a polynucleotide encoding a variant of the present invention operably linked to one or more control sequences that direct the expression of the coding sequence in a suitable host cell under conditions compatible with the control sequences.
The polynucleotide may be manipulated in a variety of ways to provide for expression of a variant. Manipulation of the polynucleotide prior to its insertion into a vector may be desirable or necessary depending on the expression vector. The techniques for modifying polynucleotides utilizing recombinant DNA methods are well known in the art.
The control sequence may be a promoter, a polynucleotide which is recognized by a host cell for expression of the polynucleotide. The promoter contains transcriptional control sequences that mediate the expression of the variant. The promoter may be any polynucleotide that shows transcriptional activity in the host cell including mutant, truncated, and hybrid promoters, and may be obtained from genes encoding extracellular or intracellular polypeptides either homologous or heterologous to the host cell.
Examples of suitable promoters for directing transcription of the nucleic acid constructs of the present invention in a bacterial host cell are the promoters obtained from the Bacillus amyloliquefaciens alpha-amylase gene (amyQ), Bacillus licheniformis alpha-amylase gene (amyL), Bacillus licheniformis penicillinase gene (penP), Bacillus stearothermophilus maltogenic amylase gene (amyM), Bacillus subtilis levansucrase gene (sacB), Bacillus subtilis xylA and xylB genes, Bacillus thuringiensis ctyllIA gene (Agaisse and Lereclus, 1994, Molecular Microbiology 13: 97-107), E. coli lac operon, E. coli trc promoter (Egon et al., 1988, Gene 69:
301-315), Streptomyces coelicolor agarase gene (dagA), and prokaryotic beta-lactamase gene (Villa-Kamaroff et al., 1978, Proc. Natl. Acad. Sci. USA 75: 3727-3731), as well as the tac promoter (DeBoer et al., 1983, Proc. Natl. Acad. Sci. USA 80: 21-25). Further promoters are described in "Useful proteins from recombinant bacteria" in Gilbert et al., 1980, Scientific American 242: 74-94; and in Sambrook et al., 1989, supra. Examples of tandem promoters are .. disclosed in WO 99/43835.
The control sequence may also be a transcription terminator, which is recognized by a host cell to terminate transcription. The terminator sequence is operably linked to the 3'-terminus of the polynucleotide encoding the variant. Any terminator that is functional in the host cell may be used.
Preferred terminators for bacterial host cells are obtained from the genes for Bacillus clausfi alkaline protease (aprH), Bacillus licheniformis alpha-amylase (amyL), and Escherichia coli ribosomal RNA (rrnB).
The control sequence may also be an mRNA stabilizer region downstream of a promoter and upstream of the coding sequence of a gene which increases expression of the gene.
Examples of suitable mRNA stabilizer regions are obtained from a Bacillus thuringiensis cry//IA gene (WO 94/25612) and a Bacillus subtilis SP82 gene (Hue et al., 1995, Journal of Bacteriology 177: 3465-3471).

The control sequence may also be a signal peptide coding region that encodes a signal peptide linked to the N-terminus of a variant and directs the variant into the cell's secretory pathway. The 5'-end of the coding sequence of the polynucleotide may inherently contain a signal peptide coding sequence naturally linked in translation reading frame with the segment of the coding sequence that encodes the variant. Alternatively, the 5'-end of the coding sequence may contain a signal peptide coding sequence that is foreign to the coding sequence. A foreign signal peptide coding sequence may be required where the coding sequence does not naturally contain a signal peptide coding sequence. Alternatively, a foreign signal peptide coding sequence may simply replace the natural signal peptide coding sequence in order to enhance secretion of the variant. However, any signal peptide coding sequence that directs the expressed variant into the secretory pathway of a host cell may be used.
Effective signal peptide coding sequences for bacterial host cells are the signal peptide coding sequences obtained from the genes for Bacillus NCIB 11837 maltogenic amylase, Bacillus licheniformis subtilisin, Bacillus licheniformis beta-lactamase, Bacillus stearothermophilus alpha-amylase, Bacillus stearothermophilus neutral proteases (nprT, nprS, nprM), and Bacillus subtilis prsA. Further signal peptides are described by Simonen and PaIva, 1993, Microbiological Reviews 57: 109-137.
The control sequence may also be a propeptide coding sequence that encodes a propeptide positioned at the N-terminus of a variant. The resultant polypeptide is known as a proenzyme or propolypeptide (or a zymogen in some cases). A propolypeptide is generally inactive and can be converted to an active polypeptide by catalytic or autocatalytic cleavage of the propeptide from the propolypeptide. The propeptide coding sequence may be obtained from the genes for Bacillus subtilis alkaline protease (aprE), Bacillus subtilis neutral protease (nprT), Myceliophthora thermophila laccase (WO 95/33836), Rhizomucor miehei aspartic proteinase, and Saccharomyces cerevisiae alpha-factor.
Where both signal peptide and propeptide sequences are present, the propeptide sequence is positioned next to the N-terminus of the variant and the signal peptide sequence is positioned next to the N-terminus of the propeptide sequence.
It may also be desirable to add regulatory sequences that regulate expression of the variant relative to the growth of the host cell. Examples of regulatory systems are those that cause expression of the gene to be turned on or off in response to a chemical or physical stimulus, including the presence of a regulatory compound. Regulatory systems in prokaryotic systems include the lac, tac, and trp operator systems.
Expression Vectors The present invention also relates to recombinant expression vectors comprising a polynucleotide encoding a variant of the present invention, a promoter, and transcriptional and translational stop signals. The various nucleotide and control sequences may be joined together to produce a recombinant expression vector that may include one or more convenient restriction sites to allow for insertion or substitution of the polynucleotide encoding the variant at such sites. Alternatively, the polynucleotide may be expressed by inserting the polynucleotide or a nucleic acid construct comprising the polynucleotide into an appropriate vector for expression.
In creating the expression vector, the coding sequence is located in the vector so that the coding sequence is operably linked with the appropriate control sequences for expression.
The recombinant expression vector may be any vector (e.g., a plasmid or virus) that can be conveniently subjected to recombinant DNA procedures and can bring about expression of the polynucleotide. The choice of the vector will typically depend on the compatibility of the vector with the host cell into which the vector is to be introduced. The vector may be a linear or closed circular plasmid.
The vector may be an autonomously replicating vector, i.e., a vector that exists as an extrachromosomal entity, the replication of which is independent of chromosomal replication, e.g., a plasmid, an extrachromosomal element, a minichromosome, or an artificial chromosome.
The vector may contain any means for assuring self-replication. Alternatively, the vector may be one that when introduced into the host cell is integrated into the genome and replicated together with the chromosome(s) into which it has been integrated. Furthermore, a single vector or plasmid or two or more vectors or plasmids that together contain the total DNA
to be introduced -- into the genome of the host cell, or a transposon, may be used.
The vector preferably contains one or more selectable markers that permit easy selection of transformed, transfected, transduced, or the like cells. A
selectable marker is a gene the product of which provides for biocide or viral resistance, resistance to heavy metals, prototrophy to auxotrophs, and the like.
Examples of bacterial selectable markers are Bacillus licheniformis or Bacillus subtilis dal genes, or markers that confer antibiotic resistance such as ampicillin, chloramphenicol, kanamycin, neomycin, spectinomycin or tetracycline resistance.
The vector preferably contains an element that permits integration of the vector into the host cell's genome or autonomous replication of the vector in the cell independent of the genome.
For integration into the host cell genome, the vector may rely on the polynucleotide's sequence encoding the variant or any other element of the vector for integration into the genome by homologous or non-homologous recombination. Alternatively, the vector may contain additional polynucleotides for directing integration by homologous recombination into the genome of the host cell at a precise location(s) in the chromosome(s). To increase the likelihood of integration at a precise location, the integrational elements should contain a sufficient number of nucleic acids, such as 100 to 10,000 base pairs, 400 to 10,000 base pairs, and 800 to 10,000 base pairs, which have a high degree of sequence identity to the corresponding target sequence to enhance the probability of homologous recombination. The integrational elements may be any sequence that is homologous with the target sequence in the genome of the host cell. Furthermore, the integrational elements may be non-encoding or encoding polynucleotides. On the other hand, the vector may be integrated into the genome of the host cell by non-homologous recombination.
For autonomous replication, the vector may further comprise an origin of replication enabling the vector to replicate autonomously in the host cell in question.
The origin of replication may be any plasmid replicator mediating autonomous replication that functions in a cell. The term "origin of replication" or "plasmid replicator" means a polynucleotide that enables a plasmid or vector to replicate in vivo.
Examples of bacterial origins of replication are the origins of replication of plasmids pBR322, pUC19, pACYC177, and pACYC184 permitting replication in E. coli, and pUB110, pE194, pTA1060, and pAMR1 permitting replication in Bacillus.
More than one copy of a polynucleotide encoding a variant of the present invention may be inserted into a host cell to increase production of a variant. An increase in the copy number of the polynucleotide can be obtained by integrating at least one additional copy of the sequence into the host cell genome or by including an amplifiable selectable marker gene with the polynucleotide where cells containing amplified copies of the selectable marker gene, and thereby additional copies of the polynucleotide, can be selected for by cultivating the cells in the presence of the appropriate selectable agent.
The procedures used to ligate the elements described above to construct the recombinant expression vectors of the present invention are well known to one skilled in the art (see, e.g., Sambrook et al., 1989, supra).
Host Cells The present invention also relates to recombinant host cells, comprising a polynucleotide encoding a variant of the present invention operably linked to one or more control sequences that direct the production of a variant of the present invention. A construct or vector comprising a polynucleotide is introduced into a host cell so that the construct or vector is maintained as a chromosomal integrant or as a self-replicating extra-chromosomal vector as described earlier.
The term "host cell" encompasses any progeny of a parent cell that is not identical to the parent cell due to mutations that occur during replication. The choice of a host cell will to a large extent depend upon the gene encoding the variant and its source.
The host cell may be any cell useful in the recombinant production of a variant, e.g., a prokaryote or a eukaryote.
The prokaryotic host cell may be any Gram-positive or Gram-negative bacterium.
Gram-positive bacteria include, but are not limited to, Bacillus, Clostridium, Enterococcus, Geobacillus, Lactobacillus, Lactococcus, Oceanobacillus, Staphylococcus, Streptococcus, and Streptomyces. Gram-negative bacteria include, but are not limited to, Campylobacter, E. coli, Fla vobacterium, Fusobacterium, Helicobacter, Ilyobacter, Neisseria, Pseudomonas, Salmonella, and Ureaplasma.
The bacterial host cell may be any Bacillus cell including, but not limited to, Bacillus alkalophilus, Bacillus amyloliquefaciens, Bacillus brevis, Bacillus circulans, Bacillus clausii, Bacillus coagulans, Bacillus firmus, Bacillus lautus, Bacillus lentus, Bacillus licheniformis, Bacillus megaterium, Bacillus pumilus, Bacillus stearothermophilus, Bacillus subtilis, and Bacillus thuringiensis cells.
The bacterial host cell may also be any Streptococcus cell including, but not limited to, Streptococcus equisimilis, Streptococcus pyo genes, Streptococcus uberis, and Streptococcus equi subsp. Zooepidemicus cells.
The bacterial host cell may also be any Streptomyces cell, including, but not limited to, Streptomyces achromo genes, Streptomyces avermitilis, Streptomyces coelicolor, Streptomyces griseus, and Streptomyces lividans cells.
The introduction of DNA into a Bacillus cell may be effected by protoplast transformation (see, e.g., Chang and Cohen, 1979, Mot. Gen. Genet. 168: 111-115), competent cell transformation (see, e.g., Young and Spizizen, 1961, J. Bacteriol. 81: 823-829, or Dubnau and Davidoff-Abelson, 1971, J. Mol. Biol. 56: 209-221), electroporation (see, e.g., Shigekawa and Dower, 1988, Biotechniques 6: 742-751), or conjugation (see, e.g., Koehler and Thorne, 1987, J. Bacteriol. 169: 5271-5278). The introduction of DNA into an E. coli cell may be effected by protoplast transformation (see, e.g., Hanahan, 1983, J. Mol. Biol. 166: 557-580) or electroporation (see, e.g., Dower et al., 1988, Nucleic Acids Res. 16: 6127-6145). The introduction of DNA into a Streptomyces cell may be effected by protoplast transformation, electroporation (see, e.g., Gong et al., 2004, Folia Microbiol. (Praha) 49:
399-405), conjugation (see, e.g., Mazodier et al., 1989, J. Bacteriol. 171: 3583-3585), or transduction (see, e.g., Burke et al., 2001, Proc. Natl. Acad. Sci. USA 98: 6289-6294). The introduction of DNA into a Pseudomonas cell may be effected by electroporation (see, e.g., Choi et al., 2006, J. Microbiol.
Methods 64: 391-397), or conjugation (see, e.g., Pinedo and Smets, 2005, Appl.
Environ.
Microbiol. 71: 51-57). The introduction of DNA into a Streptococcus cell may be effected by natural competence (see, e.g., Perry and Kuramitsu, 1981, Infect. Immun. 32:
1295-1297), protoplast transformation (see, e.g., Catt and Jollick, 1991, Microbios 68:
189-207), electroporation (see, e.g., Buckley et al., 1999, Appl. Environ. Microbiol.
65: 3800-3804) or conjugation (see, e.g., Clewell, 1981, Microbiol. Rev. 45: 409-436). However, any method known in the art for introducing DNA into a host cell can be used.

Methods of Production The present invention also relates to methods of producing a variant, comprising: (a) cultivating a host cell of the present invention under conditions suitable for expression of the variant; and (b) recovering the variant.
The host cells are cultivated in a nutrient medium suitable for production of the variant using methods known in the art. For example, the cell may be cultivated by shake flask cultivation, or small-scale or large-scale fermentation (including continuous, batch, fed-batch, or solid state fermentations) in laboratory or industrial fermentors performed in a suitable medium and under conditions allowing the variant to be expressed and/or isolated. The cultivation takes place in a suitable nutrient medium comprising carbon and nitrogen sources and inorganic salts, using procedures known in the art. Suitable media are available from commercial suppliers or may be prepared according to published compositions (e.g., in catalogues of the American Type Culture Collection). If the variant is secreted into the nutrient medium, the variant can be recovered directly from the medium. If the variant is not secreted, it can be recovered from cell lysates.
The variant may be detected using methods known in the art that are specific for the variants with protease activity. These detection methods include, but are not limited to, use of specific antibodies, formation of an enzyme product, or disappearance of an enzyme substrate.
For example, an enzyme assay may be used to determine the activity of the variant.
The variant may be recovered using methods known in the art. For example, the variant may be recovered from the nutrient medium by conventional procedures including, but not limited to, collection, centrifugation, filtration, extraction, spray-drying, evaporation, or precipitation.
The variant may be purified by a variety of procedures known in the art including, but not limited to, chromatography (e.g., ion exchange, affinity, hydrophobic, chromatofocusing, and size exclusion), electrophoretic procedures (e.g., preparative isoelectric focusing), differential solubility (e.g., ammonium sulfate precipitation), SDS-PAGE, or extraction (see, e.g., Protein Purification, Janson and Ryden, editors, VCH Publishers, New York, 1989) to obtain substantially pure variants.
In an alternative aspect, the variant is not recovered, but rather a host cell of the present invention expressing the variant is used as a source of the variant.
Compositions The present invention also relates to a composition comprising a subtilase variant of the present invention. In an embodiment the composition is a detergent composition.
The present invention also relates to a composition comprising a subtilase variant of the present invention and further comprising: one or more detergent components;
and/or one or more additional enzymes; preferably said composition is a detergent composition comprising one or more detergent components.
The present invention also relates to a composition comprising a subtilase variant of the present invention and further comprising one or more additional enzymes selected from the group comprising of amylases, catalases, cellulases (e.g., endoglucanases), cutinases, haloperoxygenases, lipases, mannanases, pectinases, pectin lyases, peroxidases, proteases, xanthanases, lichenases and xyloglucanases, or any mixture thereof.
The present invention also relates to a composition comprising a subtilase variant of the present invention, wherein said composition is a detergent composition in the form of a bar, a homogeneous tablet, a tablet having two or more layers, a pouch having one or more compartments, a regular or compact powder, a granule, a paste, a gel, or a regular, compact or concentrated liquid.
The present invention also relates to uses of any composition of the present invention in a cleaning process, such as laundry or hard surface cleaning such as dish wash.
The choice of additional components is within the skill of the artisan and includes conventional ingredients, including the exemplary non-limiting components set forth below. The choice of components may include, for fabric care, the consideration of the type of fabric to be cleaned, the type and/or degree of soiling, the temperature at which cleaning is to take place, and the formulation of the detergent product.
In a particular embodiment, a detergent composition comprises a subtilase variant of the invention and one or more detergent components, such as surfactants, hydrotropes, builders, co-builders, chelators or chelating agents, bleaching system or bleach components, polymers, fabric hueing agents, fabric conditioners, foam boosters, suds suppressors, dispersants, dye transfer inhibitors, fluorescent whitening agents, perfume, optical brighteners, bactericides, fungicides, soil suspending agents, soil release polymers, anti-redeposition agents, enzyme inhibitors or stabilizers, enzyme activators, antioxidants, and solubilizers.
In one embodiment of the present invention, the subtilase variant of the present invention may be added to a detergent composition in an amount corresponding to 0.01-200 mg of enzyme protein per liter of wash liquor, preferably 0.05-50 mg of enzyme protein per liter of wash liquor, in particular 0.1-10 mg of enzyme protein per liter of wash liquor.
A composition for use in automatic dishwash (ADW), for example, may include 0.0001%-50%, such as 0.001%-30%, such as 0.01%-20%, such as 0.5-15% of enzyme protein by weight of the composition.
A composition for use in laundry granulation, for example, may include 0.0001%-50%, such as 0.001%-20%, such as 0.01%-10%, such as 0.05%-5% of enzyme protein by weight of the composition.
A composition for use in laundry liquid, for example, may include 0.0001%-10%, such as 0.001-7%, such as 0.1%-5% of enzyme protein by weight of the composition.
The enzymes such as the subtilase variant of the invention may be stabilized using conventional stabilizing agents, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative such as 4-formylphenyl boronic acid, and the composition may be formulated as described in, for example, WO 92/19709 and WO 92/19708 or the variants according to the invention may be stabilized using peptide aldehydes or ketones such as described in WO 2005/105826 and WO 2009/118375.
A variant of the present invention may also be incorporated in the detergent formulations disclosed in WO 97/07202, which is hereby incorporated by reference.
The subtilase variants of the invention may be formulated in liquid laundry compositions such as a liquid laundry compositions composition comprising:
a) at least 0.01 mg of active subtilase variant per litre detergent, b) 2 wt% to 60 wt% of at least one surfactant c) 5 wt% to 50 wt% of at least one builder The detergent composition may be formulated into a granular detergent for laundry.
Such detergent may comprise;
a) at least 0.01 mg of active protease variant per gram of composition b) anionic surfactant, preferably 5 wt % to 50 wt %
c) nonionic surfactant, preferably 1 wt % to 8 wt %
d) builder preferably 5 wt % to 40 wt %, such as carbonates, zeolites, phosphate builder, calcium sequestering builders or complexing agents.
Although components mentioned below are categorized by general header according to a particular functionality, this is not to be construed as a limitation, as a component may comprise additional functionalities as will be appreciated by the person skilled in the art.
Surfactants The detergent composition may comprise one or more surfactants, which may be anionic and/or cationic and/or non-ionic and/or semi-polar and/or zwitterionic, or a mixture thereof. In a particular embodiment, the detergent composition includes a mixture of one or more nonionic surfactants and one or more anionic surfactants. The surfactant(s) is typically present at a level of from about 0.1% to 60% by weight, such as about 1% to about 40%, or about 3% to about 20%, or about 3% to about 10%. The surfactant(s) is chosen based on the desired cleaning application, and includes any conventional surfactant(s) known in the art. Any surfactant known in the art for use in detergents may be utilized. Surfactants lower the surface tension in the detergent, which allows the stain being cleaned to be lifted and dispersed and then washed away.

When included therein, the detergent will usually contain from about 1% to about 40% by weight, such as from about 5% to about 30%, including from about 5% to about 15%, or from about 20% to about 25% of an anionic surfactant. Non-limiting examples of anionic surfactants include sulfates and sulfonates, in particular, linear alkylbenzenesulfonates (LAS), isomers of LAS, branched alkylbenzenesulfonates (BABS), phenylalkanesulfonates, alpha-olefinsulfonates (AOS), olefin sulfonates, alkene sulfonates, alkane-2,3-diyIbis(sulfates), hydroxyalkanesulfonates and disulfonates, alkyl sulfates (AS) such as sodium dodecyl sulfate (SDS), fatty alcohol sulfates (FAS), primary alcohol sulfates (PAS), alcohol ethersulfates (AES
or AEOS or FES, also known as alcohol ethoxysulfates or fatty alcohol ether sulfates), secondary alkanesulfonates (SAS), paraffin sulfonates (PS), ester sulfonates, sulfonated fatty acid glycerol esters, alpha-sulfo fatty acid methyl esters (alpha-SFMe or SES) including methyl ester sulfonate (MES), alkyl- or alkenylsuccinic acid, dodecenyl/tetradecenyl succinic acid (DTSA), fatty acid derivatives of amino acids, diesters and monoesters of sulfo-succinic acid or soap, and combinations thereof.
When included therein, the detergent will usually contain from about 0% to about 10% by weight of a cationic surfactant. Non-limiting examples of cationic surfactants include alklydimethylethanolamine quat (ADMEAQ), cetyltrimethylammonium bromide (CTAB), dimethyldistearylammonium chloride (DSDMAC), and alkylbenzyldimethylammonium, alkyl quaternary ammonium compounds, alkoxylated quaternary ammonium (AQA) compounds, and combinations thereof.
When included therein, the detergent will usually contain from about 0.2% to about 40%
by weight of a non-ionic surfactant, for example from about 0.5% to about 30%, in particular from about 1% to about 20%, from about 3% to about 10%, such as from about 3%
to about 5%, or from about 8% to about 12%. Non-limiting examples of non-ionic surfactants include alcohol ethoxylates (AE or AEO), alcohol propoxylates, propoxylated fatty alcohols (PFA), alkoxylated fatty acid alkyl esters, such as ethoxylated and/or propoxylated fatty acid alkyl esters, alkylphenol ethoxylates (APE), nonylphenol ethoxylates (NPE), alkylpolyglycosides (APG), alkoxylated amines, fatty acid monoethanolamides (FAM), fatty acid diethanolamides (FADA), ethoxylated fatty acid monoethanolamides (EFAM), propoxylated fatty acid monoethanolamides (PFAM), polyhydroxy alkyl fatty acid amides, or N-acyl N-alkyl derivatives of glucosamine (glucamides, GA, or fatty acid glucamide, FAGA), as well as products available under the trade names SPAN and TVVEEN, and combinations thereof.
When included therein, the detergent will usually contain from about 0% to about 10% by weight of a semipolar surfactant. Non-limiting examples of semipolar surfactants include amine oxides (AO) such as alkyldimethylamineoxide, N-(coco alkyl)-N,N-dimethylamine oxide and N-(tallow-alkyl)-N,N-bis(2-hydroxyethyDarnine oxide, fatty acid alkanolamides and ethoxylated fatty acid alkanolamides, and combinations thereof.

When included therein, the detergent will usually contain from about 0% to about 10% by weight of a zwitterionic surfactant. Non-limiting examples of zwitterionic surfactants include betaine, alkyldimethylbetaine, sulfobetaine, and combinations thereof.
Builders and Co-Builders The detergent composition may contain about 0-65% by weight, such as about 5%
to about 45% of a detergent builder or co-builder, or a mixture thereof. In a dish wash deteregent, the level of builder is typically 40-65%, particularly 50-65%. Builders and chelators soften, e.g., the wash water by removing the metal ions form the liquid. The builder and/or co-builder may particularly be a chelating agent that forms water-soluble complexes with Ca and Mg. Any builder and/or co-builder known in the art for use in laundry detergents may be utilized. Non-limiting examples of builders include zeolites, diphosphates (pyrophosphates), triphosphates such as sodium triphosphate (STP or STPP), carbonates such as sodium carbonate, soluble silicates such as sodium metasilicate, layered silicates (e.g., SKS-6 from Hoechst), ethanolamines such as 2-aminoethan-1-ol (MEA), diethanolamine (DEA, also known as iminodiethanol), triethanolamine (TEA, also known as 2,2',2"-nitrilotriethanol), and carboxymethyl inulin (CM!), and combinations thereof.
The detergent composition may also contain 0-20% by weight, such as about 5%
to about 10%, of a detergent co-builder, or a mixture thereof. The detergent composition may include a co-builder alone, or in combination with a builder, for example a zeolite builder. Non-limiting examples of co-builders include homopolymers of polyacrylates or copolymers thereof, such as poly(acrylic acid) (PAA) or copoly(acrylic acid/maleic acid) (PAA/PMA). Further non-limiting examples include citrate, chelators such as aminocarboxylates, aminopolycarboxylates and phosphonates, and alkyl- or alkenylsuccinic acid. Additional specific examples include 2,2',2"-nitrilotriacetic acid (NTA), ethylenediaminetetraacetic acid (EDTA), diethylenetriaminepentaacetic acid (DTPA), iminodisuccinic acid (IDS), ethylenediamine-N,N'-disuccinic acid (EDDS), methylglycinediacetic acid (MGDA), glutamic acid-N,N-diacetic acid (GLDA), 1-hydroxyethane-1,1-diphosphonic acid (HEDP), ethylenediaminetetra-(methylenephosphonic acid) (EDTMPA), diethylenetriaminepentakis (methylenephosphonic acid) (DTPMPA or DTMPA), N-(2-hydroxyethyl)iminodiacetic acid (EDG), aspartic acid-N-monoacetic acid (ASMA), aspartic acid-N,N-diacetic acid (ASDA), aspartic acid-N-monopropionic acid (ASMP), iminodisuccinic acid (IDA), N-(2-sulfomethyl)-aspartic acid (SMAS), N-(2-sulfoethyl)-aspartic acid (SEAS), N-(2-sulfomethyl)-glutamic acid (SMGL), N-(2-sulfoethyl)-glutamic acid (SEGL), N-methyliminodiacetic acid (MIDA), a-alanine-N, N-diacetic acid (a-ALDA), serine-N, N-diacetic acid (SEDA), isoserine-N, N-diacetic acid (ISDA), phenylalanine-N, N-diacetic acid (PHDA), anthranilic acid-N, N-diacetic acid (ANDA), sulfanilic acid-N, N-diacetic acid (SLDA), taurine-N, N-diacetic acid (TUDA) and sulfomethyl-N, N-diacetic acid (S M DA), N-(2-hydroxyethyl)-ethylidenediamine-N, N', N'-triacetate (HEDTA), diethanolglycine (DEG), diethylenetriamine penta(methylenephosphonic acid) (DTPMP), aminotris(methylenephosphonic acid) (ATMP), and combinations and salts thereof. Further exemplary builders and/or co-builders are described in, e.g., WO 2009/102854 and US
5,977,053.
The subtilase variants of the invention may also be formulated into a dish wash composition, preferably an automatic dish wash composition (ADW), comprising:
a) at least 0.01 mg of active protease variant according to the invention, and b) 10-50 wt % builder preferably selected from citric acid, methylglycine-N,N-diacetic acid (MGDA) and/or glutamic acid-N,N-diacetic acid (GLDA) and mixtures thereof, and c) at least one bleach component.
Bleaching Systems The detergent may contain 0-50% by weight, such as about 0.1% to about 25%, of a bleaching system. Bleach systems remove discolor often by oxidation, and many bleaches also have strong bactericidal properties, and are used for disinfecting and sterilizing. Any bleaching system known in the art for use in laundry detergents may be utilized.
Suitable bleaching system components include bleaching catalysts, photobleaches, bleach activators, sources of hydrogen peroxide such as sodium percarbonate and sodium perborates, preformed peracids and mixtures thereof. Suitable preformed peracids include, but are not limited to, peroxycarboxylic acids and salts, percarbonic acids and salts, perimidic acids and salts, peroxymonosulfuric acids and salts, for example, Oxone (R), and mixtures thereof. Non-limiting examples of bleaching systems include peroxide-based bleaching systems, which may comprise, for example, an inorganic salt, including alkali metal salts such as sodium salts of perborate (usually mono- or tetra-hydrate), percarbonate, persulfate, perphosphate, persilicate salts, in combination with a peracid-forming bleach activator. The term bleach activator is meant herein as a compound which reacts with peroxygen bleach like hydrogen peroxide to form a peracid. The peracid thus formed constitutes the activated bleach. Suitable bleach activators to be used herein include those belonging to the class of esters amides, imides or anhydrides.
Suitable examples are tetracetylethylene diamine (TAED), sodium 4-[(3,5,5-trimethylhexanoyl)oxy]benzene sulfonate (ISONOBS), diperoxy dodecanoic acid, 4-(dodecanoyloxy)benzenesulfonate (LOBS), 4-(decanoyloxy)benzenesulfonate, 4-(decanoyloxy)benzoate (DO BS), 4-(nonanoyloxy)-benzenesulfonate (NOBS), and/or those disclosed in WO 98/17767. A particular family of bleach activators of interest was disclosed in EP 624154 and particularly preferred in that family is acetyl triethyl citrate (ATC). ATC or a short chain triglyceride like triacetin has the advantage that it is environmentally friendly as it eventually degrades into citric acid and alcohol. Furthermore, acetyl triethyl citrate and triacetin have good hydrolytic stability in the product upon storage and are efficient bleach activators.
Finally, ATC provides a good building capacity to the laundry additive.
Alternatively, the bleaching system may comprise peroxyacids of, for example, the amide, imide, or sulfone type.
The bleaching system may also comprise peracids such as 6-(phthalimido)peroxyhexanoic acid (PAP). The bleaching system may also include a bleach catalyst or a booster.
Some non-limiting examples of bleach catalysts that may be used in the compositions of the present invention include manganese oxalate, manganese acetate, manganese-collagen, cobalt-amine catalysts and manganese triazacyclononane (MnTACN) catalysts;
particularly preferred are complexes of manganese with 1,4,7-trimethy1-1,4,7-triazacyclononane (Me3-TACN) or 1,2,4,7-tetramethy1-1,4,7-triazacyclononane (Me4-TACN), in particular Me3-TACN, such as the dinuclear manganese complex [(Me3-TACN)Mn(0)3Mn(Me3-TACN)](PF6)2, and [2,2',2"-nitrilotris(ethane-1,2-diylazanylylidene-kN-methanylylidene)triphenolato-k3O]manganese(III). The bleach catalysts may also be other metal compounds, such as iron or cobalt complexes.
In some embodiments, the bleach component may be an organic catalyst selected from the group consisting of organic catalysts having the following formula:
oso3 0) IP

(ii) L Nt,i3O

(iii) and mixtures thereof; wherein each R1 is independently a branched alkyl group containing from 9 to 24 carbons or linear alkyl group containing from 11 to 24 carbons, preferably each R1 is independently a branched alkyl group containing from 9 to 18 carbons or linear alkyl group containing from 11 to 18 carbons, more preferably each R1 is independently selected from the group consisting of 2-propylheptyl, 2-butyloctyl, 2-pentylnonyl, 2-hexyldecyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, iso-nonyl, iso-decyl, iso-tridecyl and iso-pentadecyl. Other exemplary bleaching systems are described, e.g., in WO
2007/087258, WO
2007/087244, WO 2007/087259 and WO 2007/087242. Suitable photobleaches may for example be sulfonated zinc phthalocyanine.
Hydrotropes A hydrotrope is a compound that solubilizes hydrophobic compounds in aqueous solutions (or oppositely, polar substances in a non-polar environment).
Typically, hydrotropes have both hydrophilic and hydrophobic characters (so-called amphiphilic properties as known from surfactants); however, the molecular structures of hydrotropes generally do not favour spontaneous self-aggregation, see, e.g., review by Hodgdon and Kaler, 2007, Current Opinion in Colloid & Interface Science 12: 121-128. Hydrotropes do not display a critical concentration above which self-aggregation occurs as found for surfactants and lipids forming miceller, lamellar or other well defined meso-phases. Instead, many hydrotropes show a continuous-type aggregation process where the sizes of aggregates grow as concentration increases. However, many hydrotropes alter the phase behaviour, stability, and colloidal properties of systems containing substances of polar and non-polar character, including mixtures of water, oil, surfactants, and polymers. Hydrotropes are classically used across industries from pharma, personal care and food to technical applications. Use of hydrotropes in detergent compositions allows for example more concentrated formulations of surfactants (as in the process of compacting liquid detergents by removing water) without inducing undesired phenomena such as phase separation or high viscosity.
The detergent may contain 0-5% by weight, such as about 0.5 to about 5%, or about 3%
to about 5%, of a hydrotrope. Any hydrotrope known in the art for use in detergents may be utilized. Non-limiting examples of hydrotropes include sodium benzene sulfonate, sodium p-toluene sulfonate (STS), sodium xylene sulfonate (SXS), sodium cumene sulfonate (SOS), sodium cymene sulfonate, amine oxides, alcohols and polyglycolethers, sodium hydroxynaphthoate, sodium hydroxynaphthalene sulfonate, sodium ethylhexyl sulfate, and combinations thereof.
Polymers The detergent may contain 0-10% by weight, such as 0.5-5%, 2-5%, 0.5-2% or 0.2-1%
of a polymer. Any polymer known in the art for use in detergents may be utilized. The polymer may function as a co-builder as mentioned above, or may provide antiredeposition, fiber protection, soil release, dye transfer inhibition, grease cleaning and/or anti-foaming properties.
Some polymers may have more than one of the above-mentioned properties and/or more than one of the below-mentioned motifs. Exemplary polymers include (carboxymethyl)cellulose (CMC), poly(vinyl alcohol) (PVA), poly(vinylpyrrolidone) (PVP), poly(ethyleneglycol) or poly(ethylene oxide) (PEG), ethoxylated poly(ethyleneimine), carboxymethyl inulin (CM!), and polycarboxylates such as PAA, PAA/PMA, poly-aspartic acid, and lauryl methacrylate/acrylic acid copolymers, hydrophobically modified CMC (HM-CMC) and silicones, copolymers of terephthalic acid and oligomeric glycols, copolymers of poly(ethylene terephthalate) and poly(oxyethene terephthalate) (PET-POET), PVP, poly(vinylimidazole) (PVI), poly(vinylpyridine-N-oxide) (PVPO or PVPNO) and polyvinylpyrrolidone-vinylimidazole (PVPVI).
Further exemplary polymers include sulfonated polycarboxylates, polyethylene oxide and polypropylene oxide (PEO-PPO) and diquaternium ethoxy sulfate. Other exemplary polymers are disclosed in, e.g., WO 2006/130575. Salts of the above-mentioned polymers are also contemplated.

Fabric hueing agents The detergent compositions of the present invention may also include fabric hueing agents such as dyes or pigments, which when formulated in detergent compositions can deposit onto a fabric when the fabric is contacted with a wash liquor comprising the detergent compositions and thus altering the tint of the fabric through absorption/reflection of visible light.
Fluorescent whitening agents emit at least some visible light. In contrast, fabric hueing agents alter the tint of a surface as they absorb at least a portion of the visible light spectrum. Suitable fabric hueing agents include dyes and dye-clay conjugates, and may also include pigments.
Suitable dyes include small molecule dyes and polymeric dyes. Suitable small molecule dyes include small molecule dyes selected from the group consisting of dyes falling into the Colour Index (C.I.) classifications of Direct Blue, Direct Red, Direct Violet, Acid Blue, Acid Red, Acid Violet, Basic Blue, Basic Violet and Basic Red, or mixtures thereof, for example as described in WO 2005/003274, WO 2005/003275, WO 2005/003276 and EP 1876226 (hereby incorporated by reference). The detergent composition preferably comprises from about 0.00003 wt. % to about 0.2 wt. %, from about 0.00008 wt. % to about 0.05 wt. %, or even from about 0.0001 wt.
% to about 0.04 wt. % fabric hueing agent. The composition may comprise from 0.0001 wt % to 0.2 wt. % fabric hueing agent, this may be especially preferred when the composition is in the form of a unit dose pouch. Suitable hueing agents are also disclosed in, e.g., and WO 2007/087243.
Additional Enzymes The detergent additive as well as the detergent composition may comprise one or more (additional) enzymes such as an amylase, arabinase, carbohydrase, cellulase (e.g., endoglucanase), cutinase, galactanase, haloperoxygenase, lipase, mannanase, oxidase, e.g., laccase and/or peroxidase, pectinase, pectin !yeses, protease, xylanase, xanthanase, and xyloglucanase.
In general, the properties of the selected enzyme(s) should be compatible with the selected detergent (i.e., pH-optimum, compatibility with other enzymatic and non-enzymatic ingredients, etc.), and the enzyme(s) should be present in effective amounts.
Cellulases Suitable cellulases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included. Suitable cellulases include cellulases from the genera Bacillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium, e.g., the fungal cellulases produced from Humicola insolens, Myceliophthora thermophila and Fusarium oxysporum disclosed in US 4,435,307, US 5,648,263, US 5,691,178, US 5,776,757 and WO
89/09259.
Especially suitable cellulases are the alkaline or neutral cellulases having color care benefits. Examples of such cellulases are cellulases described in EP 495257, EP 531372, WO
96/11262, WO 96/29397, WO 98/08940. Other examples are cellulase variants such as those described in WO 94/07998, EP 531315, US 5,457,046, US 5,686,593, US 5,763,254, WO
95/24471, WO 98/12307 and PCT/DK98/00299.
Examples of cellulases exhibiting endo-beta-1,4-glucanase activity (EC
3.2.1.4) are described in WO 02/99091.
Other examples of cellulases include the family 45 cellulases described in WO
96/29397, and especially variants thereof having substitution, insertion and/or deletion at one or more of the positions corresponding to the following positions in SEQ ID NO: 8 of WO 02/99091:
2,4, 7,8, 10, 13, 15, 19, 20, 21, 25, 26, 29, 32, 33, 34, 35, 37, 40, 42, 42a, 43, 44, 48, 53, 54, 55, 58, 59, 63, 64, 65, 66, 67, 70, 72, 76, 79, 80, 82, 84, 86, 88, 90, 91, 93, 95, 95d, 95h, 95j, 97, 100, 101, 102, 103, 113, 114, 117, 119, 121, 133, 136, 137, 138, 139, 140a, 141, 143a, 145, 146, 147, 150e, 150j, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160c, 160e, 160k, 161, 162, 164, 165, 168, 170, 171, 172, 173, 175, 176, 178, 181, 183, 184, 185, 186, 188, 191, 192, .. 195, 196, 200, and/or 20, preferably selected among P19A, G20K, Q44K, N48E, Q119H or Q146 R.
Commercially available cellulases include CelluzymeTM, and CarezymeTM
(Novozymes NS), ClazinaseTM, and Puradax HATM (Genencor International Inc.), and KAC500(B)TM (Kao Corporation).
Proteases The composition may comprise one or more additional proteases including those of bacterial, fungal, plant, viral or animal origin, e.g., vegetable or microbial origin. Microbial origin is preferred. Chemically modified or protein engineered mutants are included.
It may be an alkaline protease, such as a serine protease or a metalloprotease. A serine protease may for example be of the Si family, such as trypsin, or the 58 family such as subtilisin. A
metalloproteasemay for example be a thermolysin from, e.g., family M4 or other metalloprotease such as those from M5, M7 or M8 families.
Examples of metalloproteases are the neutral metalloproteases as described in WO
2007/044993 (Genencor Int.) such as those derived from Bacillus amyloliquefaciens.
Suitable commercially available protease enzymes include those sold under the trade names Alcalase , DuralaseTm, DurazymTm, Relase , Relase Ultra, Savinase , Savinase Ultra, Primase , Polarzyme , Kannase , Liquanase , Liquanase Ultra, Ovozyme , Coronase , Coronase Ultra, Neutrase , Everlase and Esperase (Novozymes NS), those sold under the tradename Maxatase , Maxacal , Maxapem , Purafect , Purafect Prime , Purafect MAO, Purafect Ox , Purafect OxPO, Puramax , Properase , FN20, FN30, FN40, Excellase , Eraser , Opticlean and Optimase (Danisco/DuPont), AxapemTM (Gist-Brocades N.V.), BLAP (sequence shown in Figure 29 of US5352604) and variants hereof (Henkel AG) and KAP (Bacillus alkalophilus subtilisin) from Kao.
Lipases and Cutinases Suitable lipases and cutinases include those of bacterial or fungal origin.
Chemically modified or protein engineered mutant enzymes are included. Examples include lipase from Thermomyces, e.g., from T. lanuginosus (previously named Humicola lanuginosa) as described in EP 258068 and EP 305216, cutinase from Humicola, e.g., H. insolens (WO
96/13580), lipase from strains of Pseudomonas (some of these now renamed to Burkholderia), e.g., P.
alcaligenes or P. pseudoalcaligenes (EP 218272), P. cepacia (EP 331376), P.
sp. strain 5D705 (WO 95/06720 & WO 96/27002), P. wisconsinensis (WO 96/12012), GDSL-type Streptomyces lipases (WO 2010/065455), cutinase from Magnaporthe grisea (WO 2010/107560), cutinase from Pseudomonas mendocina (US 5,389,536), lipase from The rmobifida fusca (WO

2011/084412), Geobacillus stearothermophilus lipase (WO 2011/084417), lipase from Bacillus subtilis (WO 2011/084599), and lipase from Streptomyces griseus (WO
2011/150157) and S.
pristinaespiralis (WO 2012/137147).
Other examples are lipase variants such as those described in EP 407225, WO
92/05249, WO 94/01541, WO 94/25578, WO 95/14783, WO 95/30744, WO 95/35381, WO
95/22615, WO 96/00292, WO 97/04079, WO 97/07202, WO 00/34450, WO 00/60063, WO
01/92502, WO 2007/87508 and WO 2009/109500.
Preferred commercial lipase products include LipolaseTM, LipexTM; LipolexTM
and LipocleanTM (Novozymes NS), Lumafast (originally from Genencor) and Lipomax (originally from Gist-Brocades).
Still other examples are lipases sometimes referred to as acyltransferases or perhydrolases, e.g., acyltransferases with homology to Candida antarctica lipase A (WO
2010/111143), acyltransferase from Mycobacterium smegmatis (WO 2005/056782), perhydrolases from the CE 7 family (WO 2009/067279), and variants of the M.
smegmatis perhydrolase in particular the 554V variant used in the commercial product Gentle Power Bleach from Huntsman Textile Effects Pte Ltd (WO 2010/100028).
Amylases Suitable amylases which can be used together with the subtilase variants of the invention may be an alpha-amylase or a glucoamylase and may be of bacterial or fungal origin.
Chemically modified or protein engineered mutants are included. Amylases include, for example, alpha-amylases obtained from Bacillus, e.g., a special strain of Bacillus licheniformis, described in more detail in GB 1,296,839.
Suitable amylases include amylases having SEQ ID NO: 2 in WO 95/10603 or variants having 90% sequence identity to SEQ ID NO: 3 thereof. Preferred variants are described in WO
94/02597, WO 94/18314, WO 97/43424 and SEQ ID NO: 4 of WO 99/19467, such as variants with substitutions in one or more of the following positions: 15, 23, 105, 106, 124, 128, 133, 154, 156, 178, 179, 181, 188, 190, 197, 201, 202, 207, 208, 209, 211, 243, 264, 304, 305, 391, 408, and 444.
Different suitable amylases include amylases having SEQ ID NO: 6 in WO
02/10355 or variants thereof having 90% sequence identity to SEQ ID NO: 6. Preferred variants of SEQ ID
NO: 6 are those having a deletion in positions 181 and 182 and a substitution in position 193.
Other amylases which are suitable are hybrid alpha-amylase comprising residues of the alpha-amylase derived from B. amyloliquefaciens shown in SEQ ID NO: 6 of WO
2006/066594 and residues 36-483 of the B. licheniformis alpha-amylase shown in SEQ ID NO:
4 of WO 2006/066594 or variants having 90% sequence identity thereof.
Preferred variants of this hybrid alpha-amylase are those having a substitution, a deletion or an insertion in one of more of the following positions: G48, T49, G107, H156, A181, N190, M197, 1201, A209 and Q264. Most preferred variants of the hybrid alpha-amylase comprising residues 1-33 of the alpha-amylase derived from B. amyloliquefaciens shown in SEQ ID NO: 6 of WO

and residues 36-483 of SEQ ID NO: 4 are those having the substitutions:
M197T;
H156Y+A181T+N190F+A209V+Q264S; or G48A+T491+G107A+H156Y+A181T+N190F+1201F+A209V+Q2645.
Other suitable amylases are amylases having the sequence of SEQ ID NO: 6 in WO

99/19467 or variants thereof having 90% sequence identity to SEQ ID NO: 6.
Preferred variants of SEQ ID NO: 6 are those having a substitution, a deletion or an insertion in one or more of the following positions: R181, G182, H183, G184, N195, 1206, E212, E216 and K269.
Particularly preferred amylases are those having deletion in positions R181 and G182, or positions H183 and G184.
Additional amylases which can be used are those having SEQ ID NO: 1, SEQ ID
NO: 3, SEQ ID NO: 2 or SEQ ID NO: 7 of WO 96/23873 or variants thereof having 90%
sequence identity to SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3 or SEQ ID NO: 7.
Preferred variants of SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3 or SEQ ID NO: 7 are those having a substitution, a deletion or an insertion in one or more of the following positions: 140, 181, 182, 183, 184, 195, 206, 212, 243, 260, 269, 304 and 476, using SEQ ID 2 of WO 96/23873 for numbering. More preferred variants are those having a deletion in two positions selected from 181, 182, 183 and 184, such as 181 and 182, 182 and 183, or positions 183 and 184. Most preferred amylase variants of SEQ ID NO: 1, SEQ ID NO: 2 or SEQ ID NO: 7 are those having a deletion in positions 183 and 184 and a substitution in one or more of positions 140, 195, 206, 243, 260, 304 and 476.

Other amylases which can be used are amylases having SEQ ID NO: 2 of WO
2008/153815, SEQ ID NO: 10 in WO 01/66712 or variants thereof having 90%
sequence identity to SEQ ID NO: 2 of WO 2008/153815 or 90% sequence identity to SEQ ID
NO: 10 in WO 01/66712. Preferred variants of SEQ ID NO: 10 in WO 01/66712 are those having a substitution, a deletion or an insertion in one of more of the following positions: 176, 177, 178, 179, 190, 201, 207, 211 and 264.
Further suitable amylases are amylases having SEQ ID NO: 2 of WO 2009/061380 or variants having 90% sequence identity to SEQ ID NO: 2 thereof. Preferred variants of SEQ ID
NO: 2 are those having a truncation of the C-terminus and/or a substitution, a deletion or an insertion in one of more of the following positions: Q87, Q98, S125, N128, T131, T165, K178, R180, S181, T182, G183, M201, F202, N225, S243, N272, N282, Y305, R309, D319, Q320, Q359, K444 and G475. More preferred variants of SEQ ID NO: 2 are those having the substitution in one of more of the following positions: Q87E,R, Q98R, 5125A, N128C, T1311, T1651, K178L, T182G, M201L, F202Y, N225E,R, N272E,R, 5243Q,A,E,D, Y305R, R309A, Q320R, Q359E, K444E and G475K and/or deletion in position R180 and/or S181 or of T182 and/or G183. Most preferred amylase variants of SEQ ID NO: 2 are those having the substitutions:
N128C+K178L+T182G+Y305R+G475K;
N128C+K178L+T182G+F202Y+Y305R+D319T+G475K;
5125A+N128C+K178L+T182G+Y305R+G475K; or S125A+N128C+T1311+T1651+K178L+T182G+Y305R+G475K, wherein the variants are C-terminally truncated and optionally further comprise a substitution at position 243 and/or a deletion at position 180 and/or position 181.
Further suitable amylases are amylases having SEQ ID NO: 1 of WO 2013/184577 or variants having 90% sequence identity to SEQ ID NO: 1 thereof. Preferred variants of SEQ ID
NO: 1 are those having a substitution, a deletion or an insertion in one of more of the following positions: K176, R178, G179, T180, G181, E187, N192, M199, 1203, S241, R458, T459, D460, G476 and G477. More preferred variants of SEQ ID NO: 1 are those having the substitution in one of more of the following positions: K176L, E187P, N192FYH, M199L, 1203YF, S241QADN, R458N, T4595, D460T, G476K and G477K and/or a deletion in position R178 and/or S179 or of T180 and/or G181. Most preferred amylase variants of SEQ ID NO: 1 comprise the substitutions:
E187P+1203Y+G476K
E187P+1203Y+R458N+T4595+D460T+G476K
and optionally further comprise a substitution at position 241 and/or a deletion at position 178 and/or position 179.
Further suitable amylases are amylases having SEQ ID NO: 1 of WO 2010/104675 or variants having 90% sequence identity to SEQ ID NO: 1 thereof. Preferred variants of SEQ ID
NO: 1 are those having a substitution, a deletion or an insertion in one of more of the following positions: N21, D97, V128 K177, R179, S180,1181, G182, M200, L204, E242, G477 and G478.
More preferred variants of SEQ ID NO: 1 are those having the substitution in one of more of the following positions: N21D, D97N, V1281 K177L, M200L, L204YF, E242QA, G477K
and G478K and/or a deletion in position R179 and/or S180 or of 1181 and/or G182. Most preferred amylase variants of SEQ ID NO: 1 comprise the substitutions N21D+D97N+V128I, and optionally further comprise a substitution at position 200 and/or a deletion at position 180 and/or position 181.
Other suitable amylases are the alpha-amylase having SEQ ID NO: 12 in WO

or a variant having at least 90% sequence identity to SEQ ID NO: 12. Preferred amylase variants are those having a substitution, a deletion or an insertion in one of more of the following positions of SEQ ID NO: 12 in WO 01/66712: R28, R118, N174; R181, G182, D183, G184, G186, W189, N195, M202, Y298, N299, K302, S303, N306, R310, N314; R320, H324, E345, Y396, R400, W439, R444, N445, K446, Q449, R458, N471, N484. Particularly preferred amylases include variants having a deletion of D183 and G184 and having the substitutions R118K, N195F, R320K and R458K, and a variant additionally having substitutions in one or more position selected from the group: M9, G149, G182, G186, M202, T257, Y295, N299, M323, E345 and A339, most preferred a variant that additionally has substitutions in all these positions.
Other examples are amylase variants such as those described in WO 2011/098531, WO
2013/001078 and WO 2013/001087. Commercially available amylases are Duramyrm, Termamyrm, Fungamyl', Stainzyme TM, Stainzyme PlusTM, Natalase', Liquozyme X
and BANTM (from Novozymes NS), and RapidaseTM, PurastarTm/EffectenzTm, Powerase, Preferenz S1000, Preferenz S100 and Preferenz 5110 (from Genencor International Inc./DuPont).
Peroxidases/Oxidases Suitable peroxidases/oxidases include those of plant, bacterial or fungal origin.
Chemically modified or protein engineered mutants are included. Examples of useful peroxidases include peroxidases from Coprinus, e.g., from C. cinereus, and variants thereof as those described in WO 93/24618, WO 95/10602, and WO 98/15257.
Commercially available peroxidases include GuardzymeTM (Novozymes NS).
The detergent enzyme(s) may be included in a detergent composition by adding separate additives containing one or more enzymes, or by adding a combined additive comprising all of these enzymes. A detergent additive of the invention, i.e., a separate additive or a combined additive, can be formulated, for example, as a granulate, liquid, slurry, etc.
Preferred detergent additive formulations are granulates, in particular non-dusting granulates, liquids, in particular stabilized liquids, or slurries.
Non-dusting granulates may be produced, e.g., as disclosed in US 4,106,991 and 4,661,452 and may optionally be coated by methods known in the art. Examples of waxy coating materials are poly(ethylene oxide) products (polyethyleneglycol, PEG) with mean molar weights of 1000 to 20000; ethoxylated nonylphenols having from 16 to 50 ethylene oxide units;
ethoxylated fatty alcohols in which the alcohol contains from 12 to 20 carbon atoms and in which there are 15 to 80 ethylene oxide units; fatty alcohols; fatty acids;
and mono- and di- and triglycerides of fatty acids. Examples of film-forming coating materials suitable for application by fluid bed techniques are given in GB 1483591. Liquid enzyme preparations may, for instance, be stabilized by adding a polyol such as propylene glycol, a sugar or sugar alcohol, lactic acid or boric acid according to established methods. Protected enzymes may be prepared according to the method disclosed in EP 238216.
Adjunct materials Any detergent components known in the art for use in laundry detergents may also be utilized. Other optional detergent components include anti-corrosion agents, anti-shrink agents, anti-soil redeposition agents, anti-wrinkling agents, bactericides, binders, corrosion inhibitors, disintegrants/disintegration agents, dyes, enzyme stabilizers (including boric acid, borates, CMC, and/or polyols such as propylene glycol), fabric conditioners including clays, fillers/processing aids, fluorescent whitening agents/optical brighteners, foam boosters, foam (suds) regulators, perfumes, soil-suspending agents, softeners, suds suppressors, tarnish inhibitors, and wicking agents, either alone or in combination. Any ingredient known in the art for use in laundry detergents may be utilized. The choice of such ingredients is well within the skill of the artisan.
Dispersants: The detergent compositions of the present invention can also contain dispersants. In particular powdered detergents may comprise dispersants.
Suitable water-soluble organic materials include the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms. Suitable dispersants are for example described in Powdered -- Detergents, Surfactant science series volume 71, Marcel Dekker, Inc.
Dye Transfer Inhibiting Agents: The detergent compositions of the present invention may also include one or more dye transfer inhibiting agents. Suitable polymeric dye transfer inhibiting agents include, but are not limited to, polyvinylpyrrolidone polymers, polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof. When present in a subject composition, the dye transfer inhibiting agents may be present at levels from about 0.0001% to about 10%, from about 0.01%
to about 5% or even from about 0.1% to about 3% by weight of the composition.

Fluorescent whitening agent: The detergent compositions of the present invention will preferably also contain additional components that may tint articles being cleaned, such as fluorescent whitening agent or optical brighteners. Where present the brightener is preferably at a level of about 0.01% to about 05%. Any fluorescent whitening agent suitable for use in a laundry detergent composition may be used in the composition of the present invention. The most commonly used fluorescent whitening agents are those belonging to the classes of diaminostilbene-sulphonic acid derivatives, diarylpyrazoline derivatives and bisphenyl-distyryl derivatives. Examples of the diaminostilbene-sulphonic acid derivative type of fluorescent whitening agents include the sodium salts of: 4,4'-bis-(2-diethanolamino-4-anilino-s-triazin-6-ylamino) stilbene-2,2'-disulphonate; 4,4'-bis-(2,4-dianilino-s-triazin-6-ylamino) stilbene-2.2'-disulphonate;
4,4'-bis-(2-anilino-4(N-methyl-N-2-hydroxy-ethylamino)-s-triazin-6-ylamino) stilbene-2,2'-disulphonate, 4,4'-bis-(4-phenyl-2,1,3-triazol-2-yl)stilbene-2,2'-disulphonate; 4,4'-bis-(2-anilino-4(1-methyl-2-hydroxy-ethylamino)-s-triazin-6-ylamino) stilbene-2,2'-disulphonate and 2-(stilby1-4"-naptho-1.,2':4,5)-1,2,3-trizole-2"-sulphonate. Preferred fluorescent whitening agents are Tinopal DMS and Tinopal CBS available from Ciba-Geigy AG, Basel, Switzerland.
Tinopal DMS is the disodium salt of 4,4'-bis-(2-morpholino-4 anilino-s-triazin-6-ylamino) stilbene disulphonate. Tinopal CBS is the disodium salt of 2,2'-bis-(phenyl-styryl) disulphonate. Also preferred are fluorescent whitening agents is the commercially available Parawhite KX, supplied by Paramount Minerals and Chemicals, Mumbai, India. Other fluorescers suitable for use in the invention include the 1-3-diaryl pyrazolines and the 7-alkylaminocoumarins.
Suitable fluorescent brightener levels include lower levels of from about 0.01, from 0.05, from about 0.1 or even from about 0.2 wt. % to upper levels of 0.5 or even 0.75 wt. %.
Soil release polymers: The detergent compositions of the present invention may also include one or more soil release polymers which aid the removal of soils from fabrics such as cotton and polyester based fabrics, in particular the removal of hydrophobic soils from polyester based fabrics. The soil release polymers may for example be nonionic or anionic terephthalte based polymers, polyvinyl caprolactam and related copolymers, vinyl graft copolymers, polyester polyamides see for example Chapter 7 in Powdered Detergents, Surfactant science series volume 71, Marcel Dekker, Inc. Another type of soil release polymers are amphiphilic alkoxylated grease cleaning polymers comprising a core structure and a plurality of alkoxylate groups attached to that core structure. The core structure may comprise a polyalkylenimine structure or a polyalkanolamine structure as described in detail in WO
2009/087523 (hereby incorporated by reference). Furthermore random graft co-polymers are suitable soil release polymers Suitable graft co-polymers are described in more detail in WO
2007/138054, WO
2006/108856 and WO 2006/113314 (hereby incorporated by reference). Other soil release polymers are substituted polysaccharide structures especially substituted cellulosic structures such as modified cellulose deriviatives such as those described in EP 1867808 or WO

03/040279 (both are hereby incorporated by reference). Suitable cellulosic polymers include cellulose, cellulose ethers, cellulose esters, cellulose amides and mixtures thereof. Suitable cellulosic polymers include anionically modified cellulose, nonionically modified cellulose, cationically modified cellulose, zwitterionically modified cellulose, and mixtures thereof. Suitable cellulosic polymers include methyl cellulose, carboxy methyl cellulose, ethyl cellulose, hydroxyl ethyl cellulose, hydroxyl propyl methyl cellulose, ester carboxy methyl cellulose, and mixtures thereof.
Anti-redeposition agents: The detergent compositions of the present invention may also include one or more anti-redeposition agents such as carboxymethylcellulose (CMC), polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), polyoxyethylene and/or polyethyleneglycol (PEG), homopolymers of acrylic acid, copolymers of acrylic acid and maleic acid, and ethoxylated polyethyleneimines. The cellulose based polymers described under soil release polymers above may also function as anti-redeposition agents.
Other suitable adjunct materials include, but are not limited to, anti-shrink agents, anti-wrinkling agents, bactericides, binders, carriers, dyes, enzyme stabilizers, fabric softeners, fillers, foam regulators, hydrotropes, perfumes, pigments, sod suppressors, solvents, and structurants for liquid detergents and/or structure elasticizing agents.
Formulation of Detergent Products The detergent composition of the invention may be in any convenient form, e.g., a bar, a homogenous tablet, a tablet having two or more layers, a pouch having one or more compartments, a regular or compact powder, a granule, a paste, a gel, or a regular, compact or concentrated liquid. There are a number of detergent formulation forms such as layers (same or different phases), pouches, as well as forms for machine dosing unit.
Pouches can be configured as single or multicompartments. It can be of any form, shape and material which is suitable for hold the composition, e.g., without allowing the release of the composition from the pouch prior to water contact. The pouch is made from water soluble film which encloses an inner volume. The inner volume can be divided into compartments of the pouch. Preferred films are polymeric materials, preferably polymers which are formed into a film or sheet. Preferred polymers, copolymers or derivates thereof are selected from polyacrylates, and water soluble acrylate copolymers, methyl cellulose, carboxy methyl cellulose, sodium dextrin, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, malto dextrin, poly methacrylates, most preferably polyvinyl alcohol copolymers and, hydroxyprpyl methyl cellulose (HPMC). Preferably the level of polymer in the film for example PVA
is at least about 60%. The preferred average molecular weight will typically be about 20,000 to about 150,000.
Films can also be of blend compositions comprising hydrolytically degradable and water soluble polymer blends such as polyactide and polyvinyl alcohol (known under the Trade reference M8630 as sold by Chris Craft In. Prod. of Gary, Indiana, US) plus plasticisers like glycerol, ethylene glycerol, Propylene glycol, sorbitol and mixtures thereof. The pouches can comprise a solid laundry detergent composition or part components and/or a liquid cleaning composition or part components separated by the water soluble film. The compartment for liquid components can be different in composition than compartments containing solids. See, e.g., US
2009/0011970.
Detergent ingredients can be separated physically from each other by compartments in water dissolvable pouches or in different layers of tablets. Thereby negative storage interaction between components can be avoided. Different dissolution profiles of each of the compartments can also give rise to delayed dissolution of selected components in the wash solution.
A liquid or gel detergent which is not unit dosed may be aqueous, typically containing at least 20% by weight and up to 95% water, such as up to about 70% water, up to about 65%
water, up to about 55% water, up to about 45% water, up to about 35% water.
Other types of liquids, including without limitation, alkanols, amines, diols, ethers and polyols may be included in an aqueous liquid or gel. An aqueous liquid or gel detergent may contain from 0-30% organic solvent. A liquid or gel detergent may be non-aqueous.
Laundry Soap Bars The enzymes of the invention may be added to laundry soap bars and used for hand washing laundry, fabrics and/or textiles. The term laundry soap bar includes laundry bars, soap bars, combo bars, syndet bars and detergent bars. The types of bar usually differ in the type of surfactant they contain, and the term laundry soap bar includes those containing soaps from fatty acids and/or synthetic soaps. The laundry soap bar has a physical form which is solid and not a liquid, gel or a powder at room temperature. The term solid is defined as a physical form which does not significantly change over time, i.e., if a solid object (e.g., laundry soap bar) is placed inside a container, the solid object does not change to fill the container it is placed in.
The bar is a solid typically in bar form but can be in other solid shapes such as round or oval.
The laundry soap bar may contain one or more additional enzymes, protease inhibitors such as peptide aldehydes (or hydrosulfite adduct or hemiacetal adduct), boric acid, borate, borax and/or phenylboronic acid derivatives such as 4-formylphenylboronic acid, one or more soaps or synthetic surfactants, polyols such as glycerine, pH controlling compounds such as fatty acids, citric acid, acetic acid and/or formic acid, and/or a salt of a monovalent cation and an organic anion wherein the monovalent cation may be for example Na, K+or NH4+and the organic anion may be for example formate, acetate, citrate or lactate such that the salt of a monovalent cation and an organic anion may be, for example, sodium formate.
The laundry soap bar may also contain complexing agents like EDTA and HEDP, perfumes and/or different type of fillers, surfactants, e.g., anionic synthetic surfactants, builders, polymeric soil release agents, detergent chelators, stabilizing agents, fillers, dyes, colorants, dye transfer inhibitors, alkoxylated polycarbonates, suds suppressers, structurants, binders, leaching agents, bleaching activators, clay soil removal agents, anti-redeposition agents, polymeric dispersing agents, brighteners, fabric softeners, perfumes and/or other compounds known in the art.
The laundry soap bar may be processed in conventional laundry soap bar making equipment such as but not limited to: mixers, plodders, e.g., a two stage vacuum plodder, extruders, cutters, logo-stampers, cooling tunnels and wrappers. The invention is not limited to preparing the laundry soap bars by any single method. The premix of the invention may be added to the soap at different stages of the process. For example, the premix containing a soap, an enzyme, optionally one or more additional enzymes, a protease inhibitor, and a salt of a monovalent cation and an organic anion may be prepared and the mixture is then plodded. The enzyme and optional additional enzymes may be added at the same time as the protease inhibitor for example in liquid form. Besides the mixing step and the plodding step, the process may further comprise the steps of milling, extruding, cutting, stamping, cooling and/or wrapping.
Granular detergent formulations A granular detergent may be formulated as described in WO 2009/092699, EP
1705241, EP 1382668, WO 2007/001262, US 6,472,364, WO 2004/074419 or WO 2009/102854.
Other detergent formulations are described in WO 2009/124162, WO 2009/124163, WO
2009/117340, WO 2009/117341, WO 2009/117342, WO 2009/072069, WO 2009/063355, WO
2009/132870, WO 2009/121757, WO 2009/112296, WO 2009/112298, WO 2009/103822, WO
2009/087033, WO 2009/050026, WO 2009/047125, WO 2009/047126, WO 2009/047127, WO
2009/047128, WO 2009/021784, WO 2009/010375, WO 2009/000605, WO 2009/122125, WO
2009/095645, WO 2009/040544, WO 2009/040545, WO 2009/024780, WO 2009/004295, WO
2009/004294, WO 2009/121725, WO 2009/115391, WO 2009/115392, WO 2009/074398, WO
2009/074403, WO 2009/068501, WO 2009/065770, WO 2009/021813, WO 2009/030632, WO
2009/015951, WO 2011/025615, WO 2011/016958, WO 2011/005803, WO 2011/005623, WO
2011/005730, WO 2011/005844, WO 2011/005904, WO 2011/005630, WO 2011/005830, WO
2011/005912, WO 2011/005905, WO 2011/005910, WO 2011/005813, WO 2010/135238, WO
2010/120863, WO 2010/108002, WO 2010/111365, WO 2010/108000, WO 2010/107635, WO
2010/090915, WO 2010/033976, WO 2010/033746, WO 2010/033747, WO 2010/033897, WO
2010/033979, WO 2010/030540, WO 2010/030541, WO 2010/030539, WO 2010/024467, WO
2010/024469, WO 2010/024470, WO 2010/025161, WO 2010/014395, WO 2010/044905, WO
2010/145887, WO 2010/142503, WO 2010/122051, WO 2010/102861, WO 2010/099997, WO
2010/084039, WO 2010/076292, WO 2010/069742, WO 2010/069718, WO 2010/069957, WO
2010/057784, WO 2010/054986, WO 2010/018043, WO 2010/003783, WO 2010/003792, WO
2011/023716, WO 2010/142539, WO 2010/118959, WO 2010/115813, WO 2010/105942, WO
2010/105961, WO 2010/105962, WO 2010/094356, WO 2010/084203, WO 2010/078979, WO
2010/072456, WO 2010/069905, WO 2010/076165, WO 2010/072603, WO 2010/066486, WO
2010/066631, WO 2010/066632, WO 2010/063689, WO 2010/060821, WO 2010/049187, WO
2010/031607, and WO 2010/000636.
Uses The present invention is also directed to methods for using the subtilase variants according to the invention or compositions thereof in laundering of textile and fabrics, such as household laundry washing and industrial laundry washing.
The invention is also directed to methods for using the variants according to the invention or compositions thereof in cleaning hard surfaces such as floors, tables, walls, roofs etc. as well as surfaces of hard objects such as cars (car wash) and dishes (dish wash).
The subtilase variants of the present invention may be added to and thus become a component of a detergent composition. Thus, one aspect of the invention relates to the use of a subtilase variant in a cleaning process such as laundering and/or hard surface cleaning.
A detergent composition of the present invention may be formulated, for example, as a hand or machine laundry detergent composition including a laundry additive composition suitable for pre-treatment of stained fabrics and a rinse added fabric softener composition, or be formulated as a detergent composition for use in general household hard surface cleaning operations, or be formulated for hand or machine dishwashing operations.
In a specific aspect, the present invention provides a detergent additive comprising a polypeptide of the present invention as described herein.
The cleaning process or the textile care process may for example be a laundry process, a dishwashing process or cleaning of hard surfaces such as bathroom tiles, floors, table tops, drains, sinks and washbasins. Laundry processes can for example be household laundering, but may also be industrial laundering. Furthermore, the invention relates to a process for laundering of fabrics and/or garments, where the process comprises treating fabrics with a washing solution containing a detergent composition and at least one protease variant of the invention. The cleaning process or a textile care process can for example be carried out in a machine washing process or in a manual washing process. The washing solution can for example be an aqueous washing solution containing a detergent composition.
The last few years there has been an increasing interest in replacing components in detergents that are derived from petrochemicals with renewable biological components such as enzymes and polypeptides without compromising the wash performance. When the components of detergent compositions change, new enzyme activities or new enzymes having alternative and/or improved properties compared to the previously used detergent enzymes such as proteases, lipases and amylases may be needed to achieve a similar or improved wash performance when compared to the traditional detergent compositions.
The invention further concerns the use of subtilase variants of the invention in a proteinaceous stain removing process. The proteinaceous stains may be stains such as food stains, e.g., baby food, cocoa, egg or milk, or other stains such as sebum blood, ink or grass, or a combination hereof.
Washing Method The present invention relates to a method of cleaning a fabric, a dishware or hard surface with a detergent composition comprising a protease variant of the invention.
A preferred embodiment concerns a method of cleaning, the method comprising the steps of: contacting an object with a detergent composition comprising a protease variant of the invention under conditions suitable for cleaning the object. In a preferred embodiment the detergent composition is used in a laundry or a dish wash process.
Still another embodiment relates to a method for removing stains from fabric or dishware which comprises contacting the fabric or dishware with a composition comprising a protease of the invention under conditions suitable for cleaning the object.
Also contemplated are compositions and methods of treating fabrics (e.g., to desize a textile) using one or more of the protease of the invention. The protease can be used in any fabric-treating method which is well known in the art (see, e.g., US
6,077,316). For example, in one aspect, the feel and appearance of a fabric is improved by a method comprising contacting the fabric with a protease in a solution. In one aspect, the fabric is treated with the solution under pressure.
The detergent compositions of the present invention are suited for use in laundry and hard surface applications, including dish wash. Accordingly, the present invention includes a method for laundering a fabric or washing dishware. The method comprises the steps of contacting the fabric/dishware to be cleaned with a solution comprising the detergent composition according to the invention. The fabric may comprise any fabric capable of being laundered in normal consumer use conditions. The dishware may comprise any dishware such as crockery, cutlery, ceramics, plastics such as melamine, metals, china, glass and acrylics.
The solution preferably has a pH from about 5.5 to about 11.5. The compositions may be employed at concentrations from about 100 ppm, preferably 500 ppm to about 15,000 ppm in solution. The water temperatures typically range from about 5 C to about 95 C, including about 10 C, about 15 C, about 20 C, about 25 C, about 30 C, about 35 C, about 40 C, about 45 C, about 50 C, about 55 C, about 60 C, about 65 C, about 70 C, about 75 C, about 80 C, about 85 C and about 90 C. The water to fabric ratio is typically from about 1:1 to about 30:1.
The enzyme(s) of the detergent composition of the invention may be stabilized using conventional stabilizing agents and protease inhibitors, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, different salts such as NaCI; KCI;
lactic acid, formic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative such as 4-formylphenyl boronic acid, or a peptide aldehyde such as di-, tri- or tetrapeptide aldehydes or aldehyde analogues (either of the form B1-BO-R
wherein, R is H, CH3, CX3, CHX2, or CH2X (X=halogen), BO is a single amino acid residue (preferably with an optionally substituted aliphatic or aromatic side chain); and B1 consists of one or more amino acid residues (preferably one, two or three), optionally comprising an N-terminal protection group, or as described in WO 2009/118375, WO 98/13459) or a protease inhibitor of the protein type such as RASI, BASI, WASI (bifunctional alpha-amylase/subtilisin inhibitors of rice, barley and wheat) or 012 or SSI. The composition may be formulated as described in, e.g., WO
92/19709, WO 92/19708 and US 6,472,364. In some embodiments, the enzymes employed herein are stabilized by the presence of water-soluble sources of zinc (II), calcium (II) and/or magnesium (II) ions in the finished compositions that provide such ions to the enzymes, as well as other metal ions (e.g., barium (II), scandium (II), iron (II), manganese (II), aluminum (III), Tin (II), cobalt (II), copper (II), Nickel (II), and oxovanadium (IV)).
In some preferred embodiments, the detergent compositions provided herein are typically formulated such that, during use in aqueous cleaning operations, the wash water has a pH of from about 5.0 to about 12.5, or in alternative embodiments from about 5.0 to about 11.5, .. or in alternative embodiments, even from about 6.0 to about 10.5. In some preferred embodiments, granular or liquid laundry products are formulated to have a pH
from about 6 to about 8. Techniques for controlling pH at recommended usage levels include the use of buffers, alkalis, acids, etc., and are well known to those skilled in the art.
The invention is further defined in the following paragraphs:
1. A subtilase variant comprising a set of two or more substitutions (or amino acids) selected from: X194 [P, A], X195 [E, G], X204 [D, N], X205 [I, V], X206 [L, Q], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [D, S], X259 [D, S], X260 [A, E, T], X261 [W, N] and X262 [E], for example 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 or all of said substitutions, wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID
NO: 2 (e.g., using the numbering of SEQ ID NO: 2);
(b) the variant has protease activity; and (c) the variant has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide selected from the group consisting of:
SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11.

2.
The subtilase variant of paragraph 1, wherein said variant further has one or more of the features selected from the group consisting of:
(d) the variant has a half-life improvement factor of >100 (e.g., compared to a parent polypeptide, e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6,7, 8, 9, 10 or 11);
(e) the variant has a melting temperature greater than 70 C and/or the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I:
R= - LLGunfold / .8:1m, wherein said .8.Tm = Tm(variant) - Tm(parent polypeptide), wherein said LLGunfold = - 2685 x /n(half-life improvement factor), wherein said parent polypeptide is selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
3.
The subtilase variant of any of paragraphs 1-2, wherein said variant has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide selected from the group consisting of:
(i) SEQ ID NO: 1, wherein said subtilase variant comprises two or more (e.g., three, four, five, six, seven, eight, nine, ten, eleven, twelve) of the substitutions (or amino acids) selected from the group consisting of: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W]; and (ii) SEQ ID NO: 2, wherein said subtilase variant comprises two or more (e.g., three, four, five, six, seven, eight, nine, ten, eleven, twelve) of the substitutions (or amino acids) selected from the group consisting of: X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W].
4. The variant of any of paragraphs 1-3, wherein (d) the variant has a half-life improvement factor of >100 (e.g., compared to a parent polypeptide selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(e) the variant has a melting temperature greater than 70 C and/or the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I:
R= - ALGunfold / ATm, wherein said ATm = Tm(variant) - Tm(parent polypeptide) (e.g., a parent polypeptide selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11), wherein said Gunfold = - 2685 x /n(half-life improvement factor), preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
5. The variant of any of paragraphs 1-4, wherein said set comprises the substitutions (or amino acids): X194 [P, A] + X204 [D, N] + X205 [I] + X206 [L] + X209 [W] +
X212 [G, S] + X216 [V, S] + X259 [S, D] + X261 [N, W] + X262 [E].
6. The variant of any of paragraphs 1-5, wherein said set comprises the substitutions (or amino acids): X194 [P] + X204 [D] + X205 [I] + X206 [L] + X209 [W] + X212 [G]
+ X216 [V] +
X259 [D] + X261 [W] + X262 [E].
7. The variant of any of paragraphs 1-6, wherein said variant has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 1.
8. The variant of any of paragraphs 1-7, wherein said variant has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 2.
9. The variant of any of paragraphs 1-8, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 3.
10. The variant of any of paragraphs 1-9, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO: 4.
11. The variant of any of paragraphs 1-10, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO:
5.
12. The variant of any of paragraphs 1-11, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO:
6.
13. The variant of any of paragraphs 1-12, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO:
7.
14. The variant of any of paragraphs 1-13, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO:
8.
15. The variant of any of paragraphs 1-14, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO:
9.

16. The variant of any of paragraphs 1-15, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO:
10.

17. The variant of any of paragraphs 1-16, which has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98% but less than 100% sequence identity to the polypeptide of SEQ ID NO:
11.

18. The variant of any of paragraphs 1-17, wherein said variant at positions corresponding to positions 194-216 of the polypeptide of SEQ ID NO: 2 (e.g., using the numbering of SEQ ID NO:
2) comprises a sequence selected from the group consisting of:
SEQ ID NO: 12;

SEQ ID NO: 13;
SEQ ID NO: 14;
SEQ ID NO: 15;
SEQ ID NO: 16;
SEQ ID NO: 17;
SEQ ID NO: 18;
SEQ ID NO: 19;
SEQ ID NO: 20;
SEQ ID NO: 21;
SEQ ID NO: 22;
SEQ ID NO: 23;
SEQ ID NO: 24;
SEQ ID NO: 25;
SEQ ID NO: 26;
SEQ ID NO: 27;
SEQ ID NO: 28;
SEQ ID NO: 29;
SEQ ID NO: 30;
SEQ ID NO: 31;
SEQ ID NO: 32;
SEQ ID NO: 33;
SEQ ID NO: 34;
SEQ ID NO: 35;
SEQ ID NO: 36;
SEQ ID NO: 37;
SEQ ID NO: 38;
SEQ ID NO: 39;
SEQ ID NO: 40;
SEQ ID NO: 41;
SEQ ID NO: 42;
SEQ ID NO: 43;
SEQ ID NO: 44;
SEQ ID NO: 45;
SEQ ID NO: 46;
SEQ ID NO: 47;
SEQ ID NO: 48;

SEQ ID NO: 49;
SEQ ID NO: 50;
SEQ ID NO: 51;
SEQ ID NO: 52;
SEQ ID NO: 53;
SEQ ID NO: 54;
SEQ ID NO: 55;
SEQ ID NO: 56;
SEQ ID NO: 57;
SEQ ID NO: 58;
SEQ ID NO: 59;
SEQ ID NO: 60.

19. The variant of any of paragraphs 1-18, wherein said variant at positions corresponding to positions 256-262 of the polypeptide of SEQ ID NO: 2 (e.g., using the numbering of SEQ ID NO:
2) comprises a sequence selected from the group consisting of:
SEQ ID NO: 61;
SEQ ID NO: 62;
SEQ ID NO: 63;
SEQ ID NO: 64;
SEQ ID NO: 65;
SEQ ID NO: 66;
SEQ ID NO: 67;
SEQ ID NO: 68;
SEQ ID NO: 69;
SEQ ID NO: 70;
SEQ ID NO: 71;
SEQ ID NO: 72;
SEQ ID NO: 73;
SEQ ID NO: 74;
SEQ ID NO: 75;
SEQ ID NO: 76;
SEQ ID NO: 77;
SEQ ID NO: 78;
SEQ ID NO: 79;
SEQ ID NO: 80;

SEQ ID NO: 81;
SEQ ID NO: 82;
SEQ ID NO: 83;
SEQ ID NO: 84;
SEQ ID NO: 85;
SEQ ID NO: 86;
SEQ ID NO: 87;
SEQ ID NO: 88;
SEQ ID NO: 89;
SEQ ID NO: 90;
SEQ ID NO: 91;
SEQ ID NO: 92;
SEQ ID NO: 93;
SEQ ID NO: 94;
SEQ ID NO: 95;
SEQ ID NO: 96;
SEQ ID NO: 97;
SEQ ID NO: 98;
SEQ ID NO: 99;
SEQ ID NO: 100;
SEQ ID NO: 101;
SEQ ID NO: 102;
SEQ ID NO: 103;
SEQ ID NO: 104;
SEQ ID NO: 105;
SEQ ID NO: 106;
SEQ ID NO: 107;
SEQ ID NO: 108;
SEQ ID NO: 109.

20. The variant of any of paragraphs 1-19, wherein said variant at positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID NO: 2 (e.g., using the numbering of SEQ ID NO: 2) comprises a combination of sequences selected from the group consisting of:
SEQ ID NO: 12 and SEQ ID NO: 61;
SEQ ID NO: 13 and SEQ ID NO: 62;
SEQ ID NO: 14 and SEQ ID NO: 63;

SEQ ID NO: 15 and SEQ ID NO: 64;
SEQ ID NO: 16 and SEQ ID NO: 65;
SEQ ID NO: 17 and SEQ ID NO: 66;
SEQ ID NO: 18 and SEQ ID NO: 67;
SEQ ID NO: 19 and SEQ ID NO: 68;
SEQ ID NO: 20 and SEQ ID NO: 69;
SEQ ID NO: 21 and SEQ ID NO: 70;
SEQ ID NO: 22 and SEQ ID NO: 71;
SEQ ID NO: 23 and SEQ ID NO: 72;
SEQ ID NO: 24 and SEQ ID NO: 73;
SEQ ID NO: 25 and SEQ ID NO: 74;
SEQ ID NO: 26 and SEQ ID NO: 75;
SEQ ID NO: 27 and SEQ ID NO: 76;
SEQ ID NO: 28 and SEQ ID NO: 77;
SEQ ID NO: 29 and SEQ ID NO: 78;
SEQ ID NO: 30 and SEQ ID NO: 79;
SEQ ID NO: 31 and SEQ ID NO: 80;
SEQ ID NO: 32 and SEQ ID NO: 81;
SEQ ID NO: 33 and SEQ ID NO: 82;
SEQ ID NO: 34 and SEQ ID NO: 83;
SEQ ID NO: 35 and SEQ ID NO: 84;
SEQ ID NO: 36 and SEQ ID NO: 85;
SEQ ID NO: 37 and SEQ ID NO: 86;
SEQ ID NO: 38 and SEQ ID NO: 87;
SEQ ID NO: 39 and SEQ ID NO: 88;
SEQ ID NO: 40 and SEQ ID NO: 89;
SEQ ID NO: 41 and SEQ ID NO: 90;
SEQ ID NO: 42 and SEQ ID NO: 91;
SEQ ID NO: 43 and SEQ ID NO: 92;
SEQ ID NO: 44 and SEQ ID NO: 93;
SEQ ID NO: 45 and SEQ ID NO: 94;
SEQ ID NO: 46 and SEQ ID NO: 95;
SEQ ID NO: 47 and SEQ ID NO: 96;
SEQ ID NO: 48 and SEQ ID NO: 97;
SEQ ID NO: 49 and SEQ ID NO: 98;
SEQ ID NO: 50 and SEQ ID NO: 99;

SEQ ID NO: 51 and SEQ ID NO: 100;
SEQ ID NO: 52 and SEQ ID NO: 101;
SEQ ID NO: 53 and SEQ ID NO: 102;
SEQ ID NO: 54 and SEQ ID NO: 103;
SEQ ID NO: 55 and SEQ ID NO: 104;
SEQ ID NO: 56 and SEQ ID NO: 105;
SEQ ID NO: 57 and SEQ ID NO: 106;
SEQ ID NO: 58 and SEQ ID NO: 107;
SEQ ID NO: 59 and SEQ ID NO: 108;
SEQ ID NO: 60 and SEQ ID NO: 109.

21. The variant of any of paragraphs 1-20, further comprising one or more alterations (e.g., substitutions, insertions or deletions) at positions selected from the group consisting of positions: 3, 9, 20, 22, 24, 43, 48, 61, 72, 76, 78, 91, 99, 115, 117, 120, 120, 129, 131, 137, 141, 145, 158, 160, 160, 161, 163, 182, 185, 188, 191, 217, 238, 255, 275, 275 and 275, wherein each position corresponds to the position of the polypeptide of SEQ ID
NO: 2 (e.g., using the numbering of SEQ ID NO: 2).

22. The variant of any of paragraphs 1-21, further comprising one or more alterations (e.g., substitutions, insertions or deletions) selected from the group consisting of:
53V, 59E, 59R, G2OH, T22H, 524H, N43R, A48H, G61E, I72A, N76D, 578H, Y91H, *99aE, G115W, N117H, H120V, H120D, P129D, P131*, Q137H, 5141H, R145H, A158E, G160P, G160D, 5161E, 5163G, Q182E, N185E, 5188E, Q191N, L217M, N238H, T255E, *275aH, *275bH and *275aR, wherein each position corresponds to the position of the polypeptide of SEQ ID
NO: 2 (e.g., using the numbering of SEQ ID NO: 2).

23. The variant of any of paragraphs 1-22, which is a variant of subtilisin 309 (SEQ ID NO:
1) comprising a set of alterations selected from the group consisting of:
59E, N76D, Q206L, Y209W, 5256D;
59E, N43R, N76D, A194P, Q206L, 5259D, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, L262E;
59E, N43R, N76D, A194P, Q206L, L262E;
59E, N43R, N76D, P131*, A194P, Q206L, Y209W, 5259D, L262E;
59E, N43R, N76D, *99aE, P131*, A194P, Q206L, Y209W, 5259D, L262E;
N43R, N76D, Q206L, Y209W, 5256D;
59E, N43R, N76D, Q206L, Y209W, 5256D;
59E, N43R, N76D, A194P, Q206L, Y209W, 5259D, L262E;
59E, N43R, N76D, A194P, Q206L, Y209W, 5212G, L262E;

S9E, N43R, N76D, A194P, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, G115W, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, G115W, H120V, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, Q191N, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S212G, S259D, L262E;
S9E, N43R, N76D, A194P, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, T255E, S256D, S259D, T260E, N261W, L262E;
S9E, N43R, N76D, G115W, H120V, P129D, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S256D, S259D, N261W, L262E;
S9E, N76D, Q206L, Y209W, L262E;
S9E, N76D, Q206L, Y209W, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S259D, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, S259D, N261W, L262E;
S9E, N43R, N76D, Q137H, S141H, R145H, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S259D, L262E, *275aH,*275bH;
S9E, N43R, N76D, Q137H, S141H, R145H, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, T255E, S256D, S259D, N261W, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, S259D, T260E, N261W, L262E;
S9E, N43R, N76D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, G160D, S161E, S163G, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, Q137H, S141H, R145H, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, Q137H, S141H, R145H, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH,*275bH;
S9E, N43R, A48H, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E, *275aR;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, T260A, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E, *275aR;
S9E, N43R, A48H, N76D, N117H, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, S256D, T260A, L262E;
S9E, N43R, A48H, N76D, N117H, P129D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, S256D, T260A, L262E;
S9E, N43R, N76D, P129D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E, *275aH, *275bH;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, A48H, N76D, N117H, A158E, G160P, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E;
S9E, N43R, A48H, N76D, N117H, G160D, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, A48H, N76D, N117H, H120D, A158E, G160P, S161E, A194P, Q206L, Y209W, N238H, S259D, L262E, *275aR;
S9E, N43R, N76D, A194P, G195E, Q206L, Y209W, S259D, L262E, *275aR;
S9E, N43R, N76D, N117H, H120D, A194P, Q206L, Y209W, S259D, L262E;

S9E, N43R, N76D, P129D, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, P129D, A194P, G195E, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, Q206L, Y209W, S259D, L262E, *275aH, *275bH;
S9E, N43R, N76D, A194P, Q206L, Y209W, S259D, T260A, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, Q206L, Y209W, S259D, T260A, L262E, *275aR;
S9E, N43R, A48H, N76D, N117H, A194P, Q206L, Y209W, N238H, S259D, T260A, L262E;
S9E, G61E, N76D, Q206L, Y209W, S256D, L262E;
S9E, G61E, N76D, Q206L, S256D, L262E;
S9E, G61E, N76D, P129D, Q206L, T260A, L262E;
S9E, G61E, N76D, N204D, Q206L, Y209W, L262E;
S9E, G61E, N76D, Q137H, S141H, R145H, N204D, Q206L, Y209W, L262E, *275aR;
S9E, G61E, N76D, N204D, Q206L, Y209W, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, A48H, N76D, N117H, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N43R, A48H, N76D, N117H, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, G2OH, T22H, S24H, N43R, N76D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, S163G, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, G160D, S161E, S163G, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aR;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, L262E;

S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, T260A, L262E;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E;
S9E, N43R, N76D, P129D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, L262E;
S9E, N43R, N76D, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, T260A, L262E;
S9E, N43R, N76D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, S256D, T260A, L262E, *275aH, *275bH;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, A48H, N76D, N117H, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E, *275aR;
S9E, N43R, N76D, N117H, H120D, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, Y91H, N117H, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N43R, A48H, N76D, N117H, A194P, G195E, N204D, V2051, Q206L, Y209W, S212G, S216V, N238H, L262E;
S9E, N76D, V2051, Q206L, Y209W, N261W, L262E;
S9E, N76D, Q182E, V2051, Q206L, Y209W, S256D, N261W, L262E;
S9E, N43R, N76D, Q182E, A194P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, G115W, A194P, Q206L, Y209W, L217M, S259D, L262E;
S9E, N43R, N76D, G115W, A194P, Q206L, Y209W, S216T, S259D, L262E;
S9E, N43R, N76D, S188E, A194P, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, S78H, A194P, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, N117H, A194P, Q206L, Y209W, N238H, S259D, T260A, L262E;
S9E, N43R, N76D, N185E, S188E, A194P, Q206L, Y209W, S259D, L262E;
S9E, N43R, N76D, A194P, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, A194P, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, H120V, Q182E, A194P, V2051, Q206L, Y209W, S256D, N261W, L262E, *275aH, *275bH;
S3V, N76D, H120V, Q182E, N185E, S188E, V2051, Q206L, Y209W, S216V, S256D, N261W, L262E;

S3V, S9R, N76D, H120V, Q182E, N185E, S188E, V2051, Q206L, Y209W, S216V, S256D, N261W, L262E;
S9E, N43R, N76D, S188E, A194P, V2051, Q206L, Y209W, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, G160P, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S216V, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, L262E;
S9E, N43R, N76D, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, G160P, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, A194P, N204D, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, V2051, Q206L, Y209W, S212G, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S216V, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, L262E, *275aH, *275bH;
S9E, N43R, N76D, A158E, G160P, S161E, A194P, N204D, V2051, Q206L, Y209W, S212G, L262E, *275aH, *275bH;

S9E, N43R, N76D, A158E, A194P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, A158E, G160P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, A158E, G160P, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, A158E, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, G160P, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, G160P, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, N204D, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, S161E, V2051, Q206L, Y209W, S259D, N261W, L262E;
S9E, N43R, N76D, V2051, Q206L, Y209W, S212G, S259D, N261W, L262E;
S9E, N43R, N76D, N204D, V2051, Q206L, Y209W, S212G, S216V, S259D, N261W, L262E;
S9E, N43R, N76D, V2051, Q206L, Y209W, S216V, S259D, N261W, L262E;
S9E,N76D,Q206L,Y209W,S256D;
S9E,N43R,N76D,A194P,Q206L,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,L262E;
S9E,N43R,N76D,A194P,Q206L,L262E;
S9E,N43R,N76D,P131*,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,*99aE,P131*,A194P,Q206L,Y209W,S259D,L262E;
N43R,N76D,Q206L,Y209W,S256D;
S9E,N43R,N76D,Q206L,Y209W,S256D;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,G115W,H120V,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,Q191N,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S259D,L262E;
S9E,N43R,N76D,A194P,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,T255E,S256D,S259D,T260E,N261W,L262E;
S9E,N43R,N76D,G115W,H120V,P129D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S256D,S259D,N261W,L262E;
S9E,N76D,Q206L,Y209W,L262E;
S9E,N76D,Q206L,Y209W,N261W,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,N261W,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S259D,N261W,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,S259D,N261W,L

262E;
S9E,N43R,N76D,Q137H,S141H,R145H,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,Q137H,S141H,R145H,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L
262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,S259D,T260E,N2 61W,L262E;
S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,G160D,S161E,S163G,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L2 62E;
S9E,N43R,N76D,Q137H,S141H,R145H,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E;
S9E,N43R,N76D,Q137H,S141H,R145H,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH;
S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y20 9W,S212G,S216V,N238H,L262E,*275aR;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,L2 62E;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,T260A,L2 62E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L2 62E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L262E,*27 5aR;
S9E,N43R,A48H,N76D,N117H,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,N238H,S2 56D,T260A,L262E;
S9E,N43R,A48H,N76D,N117H,P129D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,S256D,T260A,L262E;
S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L2 62E,*275aH,*275bH;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,Q206L,Y209W,N238H,S259D,L2 62E;
S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,Q206L,Y209W,N238H,S259D,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q206L,Y209W,N238H,S259D,L
262E,*275aH,*275bH;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y209W,S259D,L262E,*275aH,*
275bH;
S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q206L,Y209W,N238H,S2 59D,L262E,*275aR;
S9E,N43R,N76D,A194P,G195E,Q206L,Y209W,S259D,L262E,*275aR;
S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,P129D,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,P129D,A194P,G195E,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L262E,*275aH,*275bH;
S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,T260A,L262E;
S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,T260A,L262E,*275aR;
S9E,N43R,A48H,N76D,N117H,A194P,Q206L,Y209W,N238H,S259D,T260A,L262E;
S9E,G61E,N76D,Q206L,Y209W,S256D,L262E;
S9E,G61E,N76D,Q206L,S256D,L262E;
S9E,G61E,N76D,P129D,Q206L,T260A,L262E;
S9E,G61E,N76D,N204D,Q206L,Y209W,L262E;
S9E,G61E,N76D,Q137H,S141H,R145H,N204D,Q206L,Y209W,L262E,*275aR;
S9E,G61E,N76D,N204D,Q206L,Y209W,L262E,*275aH,*275bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L2 62E;
S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S21 2G,S216V,N238H,L262E;
S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S2 16V,N238H,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L2 62E,*275aH,*275bH;
S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,G2OH,T22H,S24H,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212 G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V, L262E,*275aH ,*275bH;
S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH;
S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aR;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,T260A,L262E;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T
260A,L262E;
S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L2 62E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,L262E;
S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,T260A,L262E;
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,S256D,T260A,L262E,*27 5aH,*275bH;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,L262E,*275aR;
S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,Y91H,N117H,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,L262E;
S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q206L,Y209W,S212G,S216V,N2 38H,L262E;
S9E,N76D,V2051,Q206L,Y209W,N261W,L262E;
S9E,N76D,Q182E,V2051,Q206L,Y209W,S256D,N261W,L262E;
S9E,N43R,N76D,Q182E,A194P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,L217M,S259D,L262E;
S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S216T,S259D,L262E;

S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,S78H,A194P,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,N117H,A194P,Q206L,Y209W,N238H,S259D,T260A,L262E;
S9E,N43R,N76D,N185E,S188E,A194P,Q206L,Y209W,S259D,L262E;
S9E,N43R,N76D,A194P,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,A194P,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,H120V,Q182E,A194P,V2051,Q206L,Y209W,S256D,N261W,L262E,*275aH,*
275bH;
S3V,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y209W,S216V,S256D,N261W,L262E;
S3V,S9R,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y209W,S216V,S256D,N261W,L2 62E;
S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L262E,*275aH,*275bH;
S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S216V,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,L262E;
S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*27 5aH,*275bH;
S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y209W,S212G,S216V,L262E,*27 5aH,*275bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S216V,L262E,*27 5aH,*275bH;

S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,L262E,*275aH,*2 75bH;
S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q206L,Y209W,S212G,L262E,*2 75aH,*275bH;
S9E,N43R,N76D,A158E,A194P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,A158E,G160P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,A158E,G160P,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,A158E,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G160P,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,G160P,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,S161E,V2051,Q206L,Y209W,S259D,N261W,L262E;
S9E,N43R,N76D,V2051,Q206L,Y209W,S212G,S259D,N261W,L262E;
S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S212G,S216V,S259D,N261W,L262E;
S9E,N43R,N76D,V2051,Q206L,Y209W,S216V,S259D,N261W,L262E
S9E,N76D,V2051,Q206L,Y209W,S259D,N261W,L262E;
wherein each position corresponds to the position of the polypeptide of SEQ ID
NO: 2 (e.g., using the numbering of SEQ ID NO: 2).

24. The variant of any of paragraphs 1-23, wherein the total number of alterations compared to SEQ ID NO: 1 is at least 5, such as between 5 and 26, such as between 5 and 20, such as between 5 and 15, such as between 5 and 10 alterations.

25. The variant of any of paragraphs 1-24, wherein the variant consists of 250 to 290, 260 to 280, 268 to 275, 269 to 271 or 269 amino acids.

26. The variant of any of paragraphs 1-25, wherein said variant has a half-life improvement factor of >100, preferably said variant has a half-life improvement factor of >300, further preferably said variant has a half-life improvement factor of >500, more preferably said variant has a half-life improvement factor of >700, even more preferably said variant has a half-life improvement factor of > 1000, and most preferably said variant has a half-life improvement factor of >1400.

27. The variant of any of paragraphs 1-26, wherein said variant has a melting temperature (Tm) greater than 70 C and/or the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of:
SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11), preferably said Tm is greater than 75 C, further preferably said Tm is greater than 80 C, most preferably said Tm is greater than 90 C.

28. The variant of any of paragraphs 1-27, wherein said variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula 1: R= - ALGunfold /
ATm, wherein said ATm = Tm(variant) - Tm(parent polypeptide) (e.g., a parent polypeptide selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11), wherein said Gunfold = -2685 x /n(half-life improvement factor), preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.

29. The variant of any of paragraphs 1-28, wherein said variant has improved wash stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of: of SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).

30. The variant of any of paragraphs 1-29, wherein said variant has improved storage stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of: of SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).

31. A subtilase variant comprising the substitutions (or amino acids):
X262E + X209W +
X2051, wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID
NO: 2 (e.g., using the numbering of SEQ ID NO: 2);
(b) the variant has protease activity; and (c) the variant has at least 60%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide selected from the group consisting of:
SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11;
wherein said variant further has one or more of the features selected from the group consisting of:
(d) the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(e) the variant has a half-life improvement factor of >100 (e.g., compared to a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula 1:
R= - LLGunfold / .8.Trn, wherein said .8.Tm = Tm(variant) - Tm(parent polypeptide), wherein said LLGunfold = - 2685 x /n(half-life improvement factor), wherein said parent polypeptide is selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5;
(g) variant has a melting temperature (Tm) greater than 70 C, preferably said Tm is greater than 75 C, further preferably said Tm is greater than 80 C, most preferably said Tm is greater than 90 C.

32. The subtilase variant of any of paragraphs 1-30, wherein said variant comprising the substitutions (or amino acids): X262E + X209W + X2051, wherein said variant further has one or more of the features selected from the group consisting of:
(d) the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(e) the variant has a half-life improvement factor of >100 (e.g., compared to a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11);
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula 1:
R= - LLGunfold / .8[1m, wherein said .8.Tm = Tm(variant) - Tm(parent polypeptide), wherein said LLGunfold = - 2685 x /n(half-life improvement factor), wherein said parent polypeptide is selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5;
(g) variant has a melting temperature (Tm) greater than 70 C, preferably said Tm is greater than 75 C, further preferably said Tm is greater than 80 C, most preferably said Tm is greater than 90 C.

33. The variant of paragraph 31, comprising the features: (a), (b), (c), (d), and (e).

34. The variant of any of paragraphs 31-33, comprising the substitutions L262E + Y209W
+
V205I, wherein the variant has at least 65%, e.g., at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 1.

35. The variant of any of paragraphs 31-34, wherein said melting temperature is measured in a solution comprising 50 mM HEPES having pH 7.8 and 2 mM CaCl2, wherein said measurement is carried out at a temperature of at least 83 C (e.g., measured by differential scanning calorimetry).

36. The variant of any of paragraphs 31-35, which is a variant of subtilisin 309 (SEQ ID NO:
1) comprising a set of alterations selected from the group consisting of:
59E, N43R, N76D, A194P, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, N261W, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, 5259D, N261W, L262E;
59E, N43R, N76D, A194P, N204D, V205I, Q206L, Y209W, 5212G, 5216V, 5256D, 5259D, T260E, N261W, L262E;
59E, N43R, N76D, V205I, Q206L, Y209W, 5259D, N261W, L262E.

37. The variant of any of paragraphs 31-36, wherein said variant has a half-life improvement factor of >100, preferably said variant has a half-life improvement factor of >300, further preferably said variant has a half-life improvement factor of >500, more preferably said variant has a half-life improvement factor of >700, even more preferably said variant has a half-life improvement factor of > 1000, and most preferably said variant has a half-life improvement factor of >1400.

38. The variant of any of paragraphs 31-37, wherein said variant has a melting temperature (Tm) greater than 70 C, preferably said Tm is greater than 75 C, further preferably said Tm is greater than 80 C, most preferably said Tm is greater than 90 C.

39. The variant of any of paragraphs 31-38, wherein the variant has a melting temperature of at least 5 C greater than the melting temperature of a parent polypeptide (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).

40. The variant of any of paragraphs 31-39, wherein the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I: R= - LLGunfold / .8:1m, wherein said .8.Tm =
Tm(variant) - Tm(parent polypeptide), wherein said Gunfold = - 2685 x /n(half-life improvement factor), wherein said parent polypeptide is selected from the group consisting of:
SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.

41. The variant of any of paragraphs 31-40, wherein said variant has improved wash stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of: of SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).

42. The variant of any of paragraphs 31-41, wherein said variant has improved storage stability (e.g., in a detergent composition) compared to a parent polypeptide (e.g., selected from the group consisting of: of SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11).

43. A composition comprising a variant of any of paragraphs 1-42.

44. The composition of paragraph 43, further comprising:
i) one or more detergent components; and/or ii) one or more additional enzymes;
preferably said composition is a detergent composition comprising one or more detergent components.

45. The composition of any of paragraphs 43-44, which comprises one or more additional enzymes selected from the group comprising of amylases, catalases, cellulases (e.g., endoglucanases), cutinases, haloperoxygenases, lipases, mannanases, pectinases, pectin lyases, peroxidases, proteases, xanthanases, lichenases and xyloglucanases, or any mixture thereof.

46. The composition of any of paragraphs 43-45, wherein said composition is a detergent composition in the form of a bar, a homogeneous tablet, a tablet having two or more layers, a pouch having one or more compartments, a regular or compact powder, a granule, a paste, a gel, or a regular, compact or concentrated liquid.

47. Use of the composition of any of paragraphs 43-46 in a cleaning process, such as laundry or hard surface cleaning such as dish wash.

48. A method for producing a subtilase variant of any of paragraphs 1-42, comprising:
(a) introducing into a parent subtilase (e.g., selected from the group consisting of:
.. SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11) the substitutions X194 [P, A] + X195 [G, E] + X204 [D, N] + X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] +
X256 [S, D] +
X259 [S, D] + X260 [T, A, E] + X261 [N, W] + X262 [E]; and (b) recovering the variant.

49. The method for producing a subtilase variant of any of paragraphs 1-42, comprising:
(a) introducing into a parent subtilase the substitution X262 [E]
and at least two further substitutions (e.g., at least three, at least four, at least five, at least six, at least seven, at least eight, at least nine, at least ten, at least eleven, at least twelve) selected from the group consisting of:
(i) X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W], wherein the parent subtilase has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% sequence identity to SEQ ID
NO:1, or (ii) X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W], wherein the parent subtilase has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% sequence identity to SEQ ID NO:2; and (b) recovering the variant.

50. A method for producing a subtilase variant of any of paragraphs 31-42, comprising (a) introducing homologous subtilase sequences into a parent subtilase (e.g., selected from the group consisting of: SEQ ID NO: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11) the substitutions X262E + X209W + X2051; and (b) recovering the variant.

51. The method of paragraph 50, wherein the parent subtilase has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% sequence identity to SEQ ID
NO:1.
The present invention is further described by the following examples that should not be construed as limiting the scope of the invention.
EXAMPLES
MATERIALS AND METHODS
Suc-AAPF-pNA activity assay Proteolytic activity can be determined by a method employing Suc-AAPF-PNA as the substrate. Suc-AAPF-PNA is an abbreviation for N-Succinyl-Alanine-Alanine-Proline-Phenylalanine-p-Nitroanilide, and is a blocked peptide which can be cleaved by endo-proteases.
Following cleavage a free PNA molecule is liberated which has a yellow color and thus can be measured by visible spectrophotometry at wavelength 405 nm. The Suc-AAPF-PNA
substrate is manufactured by Bachem (cat. no. L1400, dissolved in DMSO).
The protease sample to be analyzed is diluted in residual activity buffer (100 mM Tris pH
8.6). The assay is performed by transferring 30 pl of diluted enzyme samples to 96 well microtiter plates and adding 70 pl substrate working solution (0.72 mg/ml in 100 mM Tris pH8.6). The solution is mixed at room temperature and absorption is measured every 20 seconds over 5 minutes at OD 405 nm.
The slope (absorbance per minute) of the time dependent absorption-curve is directly proportional to the activity of the protease in question under the given set of conditions. The protease sample is diluted to a level where the slope is linear.
Example 1: Preparation and expression of subtilisin 309 variants The following summarizes the mutation and introduction of an expression cassette into Bacillus subtilis. All DNA manipulations were done by PCR (e.g., Sambrook et al.; Molecular Cloning; Cold Spring Harbor Laboratory Press).
Recombinant B. subtilis constructs encoding subtilisin 309 variants were used to inoculate shakeflasks containing a rich media (e.g., 100 g/L sucrose (Danisco cat.no. 109-0429), 40 g/L crust soy (soy bean flour), 10 g/L Na2HPO4.12H20 (Merck cat.no.
6579), 0.1 ml/L
replace- Dowfax63N10 (Dow). Cultivation typically takes 4 days at 30 C shaking with 220 rpm.
Example 2: Purification of subtilisin 309 variants The culture broth was centrifuged at 26000 x g for 20 minutes and the supernatant was carefully decanted from the precipitate. The supernatant was filtered through a Nalgene 0.2 pm filtration unit in order to remove the rest of the Bacillus host cells. The pH
in the 0.2 pm filtrate was adjusted to pH 8 with 3 M Tris base and the pH adjusted filtrate was applied to a MEP
Hypercel column (Pall Corporation) equilibrated in 20 mM Tris/HCI, 1 mM CaCl2, pH 8Ø After washing the column with the equilibration buffer, the column was step-eluted with 20 mM
CH3COOH/Na0H, 1 mM CaCl2, pH 4.5. Fractions from the column were analyzed for protease activity using the Suc-AAPF-pNA assay at pH 9 and peak-fractions were pooled.
The pH of the pool from the MEP Hypercel column was adjusted to pH 6 with 20% (v/v) CH3COOH
or 3 M Tris base and the pH adjusted pool was diluted with deionized water to the same conductivity as 20 mM MES/Na0H, 2 mM CaCl2, pH 6Ø The diluted pool was applied to a SP-Sepharose Fast Flow column (GE Healthcare) equilibrated in 20 mM MES/Na0H, 2 mM CaCl2, pH
6Ø After washing the column with the equilibration buffer, the protease variant was eluted with a linear NaCI gradient (0 --> 0.5 M) in the same buffer over five column volumes.
Fractions from the column were analyzed for protease activity using the Suc-AAPF- pNA assay at pH
9 and active fractions were analyzed by SDS-PAGE. Fractions, where only one band was observed on the Coomassie stained SDS-PAGE gel, were pooled as the purified preparation and was used for further experiments.
Example 3: Wash performance of subtilisin 309 variants The wash performance of subtilisin 309 variants in laundry was assessed using the Automatic Mechanical Stress Assay (AMSA), where the wash performance of many small volume enzyme-detergent solutions can be examined. The AMSA plate has a number of slots for test solutions and a lid that firmly squeezes the textile to be washed against the slot openings. During the wash, the plate, test solutions, textile and lid were vigorously shaken to bring the test solution in contact with the textile and apply mechanical stress in a regular, periodic, oscillating manner. For further description see WO 02/42740, especially the paragraph "Special method embodiments" at pages 23-24.
The laundry experiments were conducted under the experimental conditions specified in Table 2.
Table 2 Detergent dosage 2.0 g/L
Test solution volume 160 pL (20 pL enzyme+140 pL detergent) pH 8.4 Wash time 20 minutes Temperature 20 C
Water hardness 12 dH
Model detergent and test materials were as described in Table 3:
Table 3: Composition of model detergents and test materials Blue moon Lavender Commercially available C-05 (Blood/milk/ink on cotton) Test material PC-03 (Chocolate milk with carbon black on Polyester/cotton, 65/35) Test materials were obtained from Center For Testmaterials By, 3133 KT
Vlaardingen, the Netherlands.

Water hardness was adjusted to 12 dH by addition of CaCl2, MgCl2, and NaHCO3 (Ca2+:Mg2+= 2:1:4.5) to the test system. After washing, the textiles were flushed in tap water and dried.
The wash performance was measured as the brightness of the color of the textile washed. Brightness can also be expressed as the intensity of the light reflected from the sample when illuminated with white light. When the sample is stained the intensity of the reflected light is lower than that of a clean sample. Therefore the intensity of the reflected light can be used to measure wash performance.
Color measurements were made with a Kodak iQsmart flatbed scanner (Kodak, Midtager 29, DK-2605 Brondby, Denmark), which is used to capture an image of the washed textile.
To extract a value for the light intensity from the scanned images, 24-bit pixel values from the image were converted into values for red, green and blue (RGB). The intensity value (Int) was calculated by adding the RGB values together as vectors and then taking the length of the resulting vector:
Int4r2 + g2 +b2 .
The results are shown in Table 4. The results are given as relative performance compared to subtilisin 309 (SEQ ID NO: 1) and an average of two enzyme concentrations 30 and 60 nM of two different swatches. An RP value of below 0.8 is considered worse, 0.8-1.2 is considered on par, 1.2 or above is considered better than subtilisin 309 (SEQ
ID NO: 1).
Table 4: AMSA relative performance of variants compared to subtilisin 309.
Mutations RP on RP on RP
C-05 PC-03 average S9E+N43R+G61E+N76D+Q206L+L262E 1.09 1.19 1.14 59E+N43R+N76D+G115W+H120V+P129D+A194P+Q206L+Y209W+ 1.06 1.06 1.06 5259D+L262E
59E+N43R+N76D+G115W+H120V+A194P+Q206L+Y209W+5259D+ 1.02 1.01 1.01 59E+N43R+N76D+G115W+A194P+Q206L+Y209W+5259D+L262E 0.99 1.01 1.00 S9E+N43R+N76D+Q137H+S141H+R145H+A194P+N204D+V2051+ 1.05 1.03 1.04 Q206L+Y209W+S212G+S216V+L262E
S9E+N43R+N76D+Q191N+A194P+Q206L+Y209W+S259D+L262E 1.01 0.92 0.96 59E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+5212G+ 1.42 1.44 1.43 S216V+S256D+S259D+T260E+N261W+L262E

Mutations RP on RP on RP
C-05 PC-03 average S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1.01 0.88 0.94 S216V+S256D+S259D+N261W+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1.09 0.79 0.94 S216V+N261W+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1.02 0.92 0.97 S216V+L262E
S9E+N43R+N76D+A194P+V2051+Q206L+Y209W+S212G+S216V+ 1.02 0.98 1.00 S9E+N43R+N76D+A194P+Q206L+Y209W+S212G+S216V+L262E 0.82 0.84 0.83 S9E+N43R+N76D+A194P+Q206L+Y209W+S212G+S259D+L262E 1.08 0.86 0.97 S9E+N43R+N76D+A194P+Q206L+Y209W+S212G+L262E 0.87 0.98 0.92 S9E+N43R+N76D+A194P+Q206L+Y209W+T255E+S256D+S259D+ 1.18 1.19 1.19 T260E+N261W+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+S256D+S259D+N261W+ 1.26 1.26 1.26 S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+N261W+L262E 1.00 0.91 0.96 S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+L262E 1.12 1.14 1.13 S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+L262E+*275aH+ 1.15 1.05 1.10 *275bH
S9E+N43R+N76D+A194P+Q206L+Y209W+T255E+S256D+S259D+ 1.18 1.19 1.19 T260E+N261W+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+S256D+S259D+N261W+ 1.26 1.26 1.26 S9E+N43R+N76D+A194P+Q206L+Y209W+L262E 1.18 1.14 1.16 S9E+N43R+N76D+A194P+Q206L+S259D+L262E 1.03 0.92 0.98 S9E+N43R+N76D+A194P+Q206L+L262E 1.00 1.05 1.02 S9E+G61E+N76D+Q206L+L262E 1.17 1.29 1.23 S9E+G61E+N76D+L262E 1.10 0.87 0.98 S9E+N76D+Q206L+Y209W+L262E 1.04 1.36 1.20 S9E+N76D+Q206L+L262E 1.14 1.29 1.21 S9E+N76D+L262E 0.99 0.89 0.94 Example 4: Accelerated storage stability assay Storage stability of protease variants in liquid detergent was evaluated using an accelerated assay with incubation at 60 C for up to 48 hours.

Culture supernatants containing 25-75 pg/ml active protease were diluted 1, 2, 4 and 8 times using 0.01% Triton X-100. For each variant 2 wells with each dilution were included. 30 pl diluted protease sample was mixed with 270 pl Model 0 detergent in the well of a microtiter plate (Nunc U96 PP 0.5 ml) using a magnetic bar (on Zephyr pipetting station (Caliper LifeSciences) for 30 min). 20 pl of this mixture was then transferred to another microtiter plate (Nunc U96 PP 0.5 ml with added magnetic bars) and mixed with 80 p1100 mM Tris pH 8.6 (at least 5 min on Zephyr). 30 pl of this dilution was transferred to a Nunc F 96-MTP, and after addition of 70 pl substrate solution initial activity of unstressed sample was determined by measuring absorbance at 405 nm every 20 sec for 5 min (on a SpectraMax Plus).
After sealing, the detergent plate was incubated at 60 C in an Eppendorf Thermomixer (no shaking). After 1, 4, 23 and 47 hours incubation, 20 pl samples were withdrawn and residual activity of stressed sample was measured as with the initial, unstressed activity.
Decrease in activity during incubation with detergent was assumed to be exponential.
Half-lives (T%) were found from linear regression of Log(Activity) versus incubation time (0, 1 ,4, .. 23 and 47 hours), and half-life improvement factors (T% IF) were calculated as half-life of protease variant relative to the half-life of SEQ ID NO: 1. This means that T%
for Savinase (Subtilisin 309) is 1.
Table 5. Composition of Detergent LAS, (C10-C13) alkylbenzene-sulfonic acid 3.8%
AES, AEOS, sodium lauryl ether sulfate 8%
AEO, Alcohol ethoxylate 4%
Soap, lauric acid 1.0%
Trisodium citrate dihydrate 2%
Model 0 Sodium hydroxide 0.6%
CaCl2, 2H20 0.02%
Kathon, preservative 0.1%
Triethanolamine 0.4%
Deionized Water to 100%
(amounts in percent by weight (wt)) Table 6 Accelerated storage stability results in model 0. T% IF: Half life improvement factors relative to Subtilisin 309 or Subtilisin 309 + N76D reference 11/2 IF relative to Savinase + T1/2 IF
relative to Mutations N76D Savinase Subtilisin 309 0.23 0.01 1 0.06 Subtilisin 309 +N76D 1.0 0.1 4.4 0.6 S9E 0.8 0.1 3.4 0.6 S9E+N43R+N76D+G115W+H120V+P129D+A194P+ 290 160 1300 700 Q206L+Y209W+S259D+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+ 230 100 1000 400 Y209W+S212G+S216V+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+ 210 110 900 500 S9E+N43R+N76D+A194P+Q206L+Y209W+S212G+ 240 110 850 390 S259D+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+N26 230 110 825 370 1W+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+S212G+S21 220 180 760 620 6V+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+S212G+ 225 120 785 415 S9E+N43R+N76D+*99aE+P131*+A194P+Q206L+ 730 400 2550 1400 Y209W+S259D+L262E
S9E+N43R+N76D+P131*-FA194P+Q206L+Y209W+ 380 145 1320 500 S259D+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+L262E 180 110 620 375 S9E+N43R+N76D+A194P+Q206L+S259D+L262E 110 20 380 70 S9E+N43R+G61E+N76D+Q206L+L262E 80 15 290 55 S9E+N43R+N76D+A194P+Q206L+L262E 110 20 390 70 S9E+G61E+N76D+Q206L+L262E 50 20 220 80 S9E+N76D+L262E 19 4 84 15 N76D+L262E 10 2 44 9 L262E 1.1 0.1 4.7 0.6 Example 5: Accelerated storage stability assay Storage stability of protease variants in liquid detergent was evaluated using an accelerated assay with incubation at 60 C for up to 48 hours in the CNS
(Chinese national standard) detergent. Otherwise the experiment was carried out under the same conditions as in Example 4.

Table 7 Composition of Detergent LAS, (C10-C13) alkylbenzene-sulfonic acid 8%
AES, AEOS, sodium lauryl ether sulfate 4%
AE09, Alcohol ethoxylate 4%
TEA (Triethanolamine ) 0.5%
CNS pH 8 NaCitrate 0.5%
Sodium hydroxide 1%
CaCl2, 2H20 0.01%
Deionized Water to 100%
(amounts in percent by weight (wt)) In this experiment the stability is tested in CNS (Chinese National Standard) and the results in Table 8 are expressed as T% IF: Half-life improvement factors relative to Subtilisin 309 or Subtilisin 309 + N76D as described in Example 4.
1: T1/2 IF > 1000;
2: 500 T% IF 1000;
3: 50 TA IF < 500.
Table 8: Accelerated storage stability results in CNS Column A = T% IF
relative to Subtilisin 309 + N76D, Column B = T% IF relative to Subtilisin 309.
Mutations A B
59E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+0206L+

Y209W+5212G+5216V+L262E
59E+N43R+A48H+N76D+N117H+A158E+G160P+5161E+A194P+N204D+
V2051+0206L+Y209W+5212G+5216V+N238H+L262E 2 1 59E+N43R+A48H+N76D+N117H+G160D+S161E+A194P+N204D+V2051+Q

206L+Y209W+S212G+S216V+N238H+L262E
59E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+0206L+

Y209W+S212G+S216V+L262E+*275aH+*275bH
59E+N43R+N76D+G160D+S161E+A194P+N204D+V2051+0206L+Y209W+

5212G+5216V+L262E+*275aH+*275bH
59E+G20H+T22H+524H+N43R+N76D+G160D+S161E+A194P+N204D+V2 051+0206L+Y209W+5212G+5216V+L262E 3 2 S9E+N43R+N76D+N117H+H120D+A158E+G160P+S161E+A194P+N204D+
V2051+Q206L+Y209W+S212G+S216V+L262E 1 1 S9E+N43R+N76D+N117H+H120D+G160D+S161E+A194P+N204D+V2051+

Q206L+Y209W+S212G+S216V+L262E
S9E+N43R+N76D+N117H+H120D+G160D+S161E+S163G+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+L262E 1 1 S9E+N43R+N76D+N117H+H120D+G160D+S161E+A194P+N204D+V2051+

Q206L+Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+N117H+H120D+G160D+S161E+S163G+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+L262E+*275aH+ 2 1 *275bH
S9E+N43R+N76D+N117H+H120D+A158E+G160P+S161E+A194P+N204D+
V2051+Q206L+Y209W+S212G+S216V+L262E+*275aR 1 1 S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+

S256D+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+

T260A+L262E
S9E+N43R+N76D+N117H+H120D+A194P+N204D+V2051+Q206L+Y209W+

S212G+S216V+S256D+T260A+L262E
S9E+N43R+N76D+P129D+A194P+N204D+V2051+Q206L+Y209W+S212G+

S216V+S256D+T260A+L262E
S9E+N43R+N76D+A194P+G195E+N204D+V2051+Q206L+Y209W+S212G+

S216V+S256D+L262E
S9E+N43R+N76D+A194P+G195E+N204D+V2051+Q206L+Y209W+S212G+

S216V+T260A+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+

S256D+T260A+ L262 E+*275aH +*275bH
S9E+N43R+N76D+N117H+H120D+A194P+N204D+V2051+Q206L+Y209W+

S212G+S216V+L262E
S9E+N43R+A48H+N76D+N117H+A194P+G195E+N204D+V2051+Q206L+Y

209W+S212G+S216V+N238H+L262E+*275aR
S9E+N43R+N76D+N117H+H120D+A194P+N204D+V2051+Q206L+Y209W+

S212G+S216V+L262E+*275aH+*275bH

S9E+N43R+N76D+Y91H+N117H+A194P+G195E+N204D+V2051+Q206L+Y

209W+S212G+S216V+N238H+L262E
S9E+N43R+A48H+N76D+N117H+A194P+G195E+N204D+V2051+Q206L+Y

209W+S212G+S216V+N238H+L262E
S9E+G61E+N76D+Q206L+L262E 3 3 S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+L262E 3 1 S9E+N43R+N76D+G115W+A194P+Q206L+Y209W+S259D+L262E 3 1 S9E+N43R+N76D+G115W+H120V+A194P+Q206L+Y209W+S259D+L262E 2 1 S9E+N43R+N76D+Q191N+A194P+Q206L+Y209W+S259D+L262E 3 2 S9E+N43R+N76D+A194P+V2051+Q206L+Y209W+S212G+S216V+

S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+
S216V+L262E 2 1 S9E+N43R+N76D+A194P+Q206L+Y209W+T255E+S256D+S259D+T260E+

N261W+L262E
S9E+N43R+N76D+G115W+H120V+P129D+A194P+Q206L+

Y209W+S259D+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+S256D+S259D+N261W+L262E

S9E+N76D+Q206L+L262E 3 3 S9E+N76D+Q206L+Y209W+L262E 3 2 S9E+N76D+Q206L+Y209W+N261W+L262E 3 2 S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+

S216V+N261W+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+

S216V+S259D+N261W+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+

S216V+S256D+S259D+N261W+L262E
S9E+G61E+N76D+Q137H+S141H+R145H+Q206L+L262E 3 3 S9E+G61E+N76D+Q206L+L262E+*275aH+*275bH 3 3 S9E+N43R+N76D+Q137H+S141H+R145H+A194P+Q206L+Y209W+S259D
+L262E 3 2 S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+L262E+*275aH+*275bH

S9E+N43R+N76D+Q137H+S141H+R145H+A194P+N204D+V2051+Q206L+

Y209W+S212G+S216V+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+

T255E+S256D+S259D+N261W+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+

S216V+S256D+T260E+S259D+N261W+L262E
S9E+N43R+N76D+G160D+S161E+A194P+N204D+V2051+Q206L+Y209W+

S212G+S216V+L262E
S9E+N43R+N76D+G160D+S161E+S163G+A194P+N204D+V2051+Q206L+

Y209W+S212G+S216V+L262E
S9E+N43R+N76D+Q137H+S141H+R145H+A158E+G160P+S161E+A194P+

N204D+V2051+Q206L+Y209W+S212G+S216V+L262E
S9E+N43R+N76D+Q137H+S141H+R145H+G160D+S161E+A194P+N204D

+V2051+Q206L+Y209W+S212G+S216V+L262E
S9E+N43R+N76D+N117H+H120D+A158E+G160P+S161E+A194P+N204D+
V2051+Q206L+Y209W+S212G+S216V+L262E+*275aH+ 1 1 *275bH
S9E+N43R+A48H+N76D+N117H+H120D+A158E+G160P+S161E+A194P+
N204D+V2051+Q206L+Y209W+S212G+S216V+N238H+ 2 1 L262E+*275aR
S9E+N43R+N76D+N117H+H120D+A194P+N204D+V2051+Q206L+Y209W+

S212G+S216V+S256D+L262E
S9E+N43R+N76D+N117H+H120D+A194P+N204D+V2051+Q206L+Y209W+

S212G+S216V+T260A+L262E
S9E+N43R+N76D+A194P+G195E+N204D+V2051+Q206L+Y209W+S212G+

S216V+S256D+T260A+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+

S256D+T260A+L262E+*275aR 2 S9E+N43R+A48H+N76D+N117H+A194P+N204D+V2051+Q206L+Y209W+S

212G+S216V+N238H+S256D+T260A+L262E
S9E+N43R+A48H+N76D+N117H+P129D+A194P+N204D+V2051+Q206L+Y

209W+S212G+S216V+N238H+S256D+T260A+L262E
S9E+N43R+N76D+P129D+A194P+N204D+V2051+Q206L+Y209W+S212G+

S216V+S256D+T260A+L262E+*275aH+*275bH

S9E+N43R+N76D+A194P+G195E+N204D+V2051+Q206L+Y209W+S212G+
S216V+L262E 1 1 S9E+N43R+N76D+A194P+G195E+N204D+V2051+Q206L+Y209W+S212G+
S216V+L262E+*275aH+*275bH 1 1 S9E+N43R+N76D+G160D+S161E+A194P+Q206L+Y209W+S259D+L262E 3 S9E+N43R+A48H+N76D+N117H+A158E+G160P+S161E+A194P+Q206L+Y

209W+N238H+S259D+L262E
S9E+N43R+A48H+N76D+N117H+G160D+S161E+A194P+Q206L+Y209W+

N238H+S259D+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+Q206L+Y209W+S259D+ 3 L262E+*275bH+*275aH 1 S9E+N43R+N76D+G160D+S161E+A194P+Q206L+Y209W+S259D+L262E+
*275aH+*275bH 2 1 S9E+N43R+N76D+N117H+H120D+A158E+G160P+S161E+A194P+Q206L+

Y209W+S259D+L262E
S9E+N43R+N76D+N117H+H120D+G160D+S161E+A194P+Q206L+Y209W
+S259D+L262E 2 1 S9E+N43R+N76D+N117H+H120D+A158E+G160P+S161E+A194P+Q206L+

Y209W+N238H+S259D+L262E+*275aH+*275bH
S9E+N43R+N76D+N117H+H120D+G160D+S161E+A194P+Q206L+Y209W

+S259D+L262E+*275aH+*275bH
S9E+N43R+A48H+N76D+N117H+H120D+A158E+G160P+S161E+A194P+
Q206L+Y209W+N238H+S259D+L262E+*275aR 3 2 S9E+N43R+N76D+A194P+G195E+Q206L+Y209W+S259D+L262E+*275aR

S9E+N43R+N76D+N117H+H120D+A194P+Q206L+Y209W+S259D+L262E

S9E+N43R+N76D+P129D+A194P+Q206L+Y209W+S259D+L262E 3 1 S9E+N43R+N76D+P129D+A194P+G195E+Q206L+Y209W+S259D+L262E

S9E+N43R+N76D+N117H+H120D+A194P+Q206L+Y209W+S259D+L262E+
*275aH+*275bH 3 2 S9E+N43R+N76D+A194P+Q206L+Y209W+S259D+T260A+L262E 3 1 S9E+N43R+N76D+N117H+H120D+A194P+Q206L+Y209W+S259D+T260A

+L262E+*275aR
S9E+N43R+A48H+N76D+N117H+A194P+Q206L+Y209W+N238H+S259D+
T260A+L262E 2 1 S9E+G61E+N76D+Q206L+Y209W+S256D+L262E 3 2 S9E+G61E+N76D+A158E+G160P+S161E+Q206L+L262E 3 3 S9E+G61E+N76D+Q137H+S141H+R145H+A158E+G160P+S161E+Q206L+

S9E+G61E+N76D+A158E+G160P+S161E+Q206L+L262E+*275aH+*275bH

S9E+G61E+N76D+N117H+H120D+G160D+S161E+S163G+Q206L+L262E+

*275aH+*275bH
S9E+G61E+N76D+Q206L+S256D+L262E 3 3 S9E+G61E+N76D+P129D+Q206L+T260A+L262E

S9E+G61E+N76D+P129D+Q206L+S256D+T260A+L262E+*275aH+*275bH

S9E+G61E+N76D+N204D+Q206L+Y209W+L262E 3 1 S9E+G61E+N76D+Q137H+S141H+R145H+N204D+Q206L+Y209W+L262E

+*275aR
S9E+G61E+N76D+P129D+Q206L+L262E+*275aH+*275bH

S9E+G61E+N76D+N204D+Q206L+Y209W+L262E+*275aH+

*275bH
Example 6: AMSA wash performance of subtilisin 309 variants sp.
The wash performance of subtilisin 309 variants was tested using laundry liquid detergent on three different technical stains using the Automatic Mechanical Stress Assay (AMSA) as described in Example 3.
Table 9: Model detergents and test materials were as follows:
Blue Moon Deep Clean Commercially available detergent Test material C-05 Blood/milk/ink on cotton PC-03 Chocolate milk/soot EMPA117 EH Blood/milk/ink on cotton/polyester extra heated Test materials were obtained from EMPA Testmaterials AG, Movenstrasse 12, CH-St. Gallen, Switzerland and from Center For Testmaterials By, P.O. Box 120, Vlaardingen, the Netherlands.
The wash performance was measured as the brightness of the color of the textile washed using color measurements and calculating an intensity value as described in Example 3.
The experiments were conducted using a single cycle wash procedure, with the detergent composition and swatches and the experimental conditions as specified in Table 10 below.
Table 10: Experimental conditions for laundry experiments Detergent dosage Blue Moon Deep Clean 2 g/L
Test solution volume 160 micro L
pH As is Wash time 20 minutes Temperature 20 C
Water hardness 12 dH
Protease concentration 30 or 60 nM
Swatch C-05 Blood/milk/ink on cotton PC-03 Chocolate milk/soot EMPA117 EH Blood/milk/ink on cotton/polyester extra heated Water hardness was adjusted to 12 dH by addition of CaCl2, MgCl2, and NaHCO3 (Ca2+:Mg2+:CO3- = 2:1:4.5) to the test system. After washing the textiles were rinsed in tap water and dried.
Table 11: Relative performance of subtilisin 309 variants compared to detergent with Subtilisin 309 (SEQ ID NO 1) at 20 C

Protease concentration 30 nM 60 nM 30 nM 60 nM
5ubti1sin309 (SEQ ID NO 1) 1 1 1 1 59E+N43R+N76D+5188E+A194P+V205I+
Q206L+Y209W+5216V+L262E+*275aH+ 1.1 1.2 0.9 1 *275bH

Protease concentration 30 nM 60 nM 30 nM 60 nM
S9E+N43R+N76D+A158E+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+ 1.2 1 0.9 0.9 S9E+N43R+N76D+A158E+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+ 1.1 1.1 1.1 1.2 L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+V2051+
1.5 1.7 1.3 1.2 Q206L+Y209W+S259D+N261W+L262E
S9E+N43R+N76D+A158E+G160P+A194P
+N204D+V2051+Q206L+Y209W+S212G+ 1.2 1.1 0.9 1 S216V+L262E
S9E+N43R+N76D+A158E+A194P+V2051+
1 1.2 1.1 0.9 Q206L+Y209W+S259D+N261W+L262E
S9E+N43R+N76D+A158E+G160P+S161E
+A194P+N204D+V2051+Q206L+Y209W+ 1.4 1.5 1 0.9 L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+S161E
+A194P+V2051+Q206L+Y209W+S212G+ 1.3 1.2 1 1 S216V+L262E
S9E+N43R+N76D+A158E+G160P+S161E
+A194P+V2051+Q206L+Y209W+S212G+ 1.2 1.2 0.9 1.1 S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+S161E+A194P
+N204D+V2051+Q206L+Y209W+S212G+ 1 1 0.8 1 S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+G160P+V2051+Q206L+
1.5 1.6 1.3 1.1 Y209W+S259D+N261W+L262E
S9E+N43R+N76D+A194P+V2051+Q206L+
0.9 1 0.8 0.9 Y209W+S216V+L262E
S9E+N43R+N76D+V2051+Q206L+Y209W+
1.1 1.2 1 1 S259D+N261W+L262E

Protease concentration 30 nM 60 nM 30 nM 60 nM
S9E+N43R+N76D+G160P+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+ 0.8 1 1.1 1 S9E+N43R+N76D+G160P+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+ 1.2 1.1 0.8 1.1 L262E+*275aH+*275bH
S9E+N43R+N76D+G160P+S161E+A194P
+N204D+V2051+Q206L+Y209W+S212G+ 1 0.8 0.9 1 S216V+L262E
S9E+N43R+N76D+G160P+S161E+A194P
+N204D+V2051+Q206L+Y209W+S212G+ 1.1 1 1.1 1.1 S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+N204D+V2051+Q206L+
1.3 1.6 1.2 1.2 Y209W+S259D+N261W+L262E
S9E+N43R+N76D+G160P+S161E+V205I+
1.6 1.6 1.4 1.2 Q206L+Y209W+S259D+N261W+L262E
S3V+N76D+H120V+Q182E+N185E+S188 E+V2051+Q206L+Y209W+S216V+S256D+ 1.1 1.2 0.9 0.9 N261W+L262E
S9E+N43R+N76D+H120V+Q182E+A194P
+V2051+Q206L+Y209W+S256D+N261W+ 0.9 1 0.9 0.9 L262E+*275aH+*275bH
S9E+N43R+N76D+N117H+A194P+Q206L
0.9 1 0.9 0.9 +Y209W+N238H+S259D+T260A+L262E
S9E+N43R+N76D+N185E+S188E+A194P
1 1.1 0.9 1 +Q206L+Y209W+S259D+L262E
S9E+N43R+N76D+V2051+Q206L+Y209W+
1.6 1.6 1.5 1.2 S216V+S259D+N261W+L262E
S9E+N43R+N76D+S161E+V2051+Q206L+
1.3 1.4 1.1 1 Y209W+S259D+N261W+L262E
S9E+N43R+N76D+Q182E+A194P+V205I+
1 1.1 0.9 1 Q206L+Y209W+S259D+N261W+L262E

Protease concentration 30 nM 60 nM 30 nM 60 nM
S9E+N43R+N76D+S161E+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+ 1.3 0.9 1 0.9 S9E+N43R+N76D+S161E+A194P+N204D
+V2051+Q206L+Y209W+S212G+S216V+ 1.2 1 0.9 1.1 L262E+*275aH+*275bH
S9E+N43R+N76D+V2051+Q206L+Y209W+
1.6 1.6 1.4 1.3 S212G+S259D+N261W+L262E
S9E+N43R+N76D+S188E+A194P+V205I+
1 1 0.9 0.9 Q206L+Y209W+S216V+L262E
S9E+N76D+Q182E+V2051+Q206L+Y209W
0.8 1 0.9 0.9 +S256D+N261W+L262E
S9E+N43R+N76D+S78H+A194P+V205I+Q
0.9 0.9 0.9 0.9 206L+Y209W+S216V+L262E
S9E+N43R+N76D+N204D+V2051+Q206L+
Y209W+S212G+S216V+S259D+N261W+ 1.7 1.7 1.6 1.2 S9E+N76D+V2051+Q206L+Y209W+
0.9 1.1 1 1 N261W+L262E
The results of Table 11 show that the Subtilisin 309 variants have improved or on par performance wash performance compared to Subtilisin 309 on chocolate/milk (P0-03, 0-03) at 20 C.
Table 12: Relative performance of proteases from Bacillus sp. subtilisin 309 variants compared to detergent with Subtilisin 309 (SEQ ID NO 1) at 20 C on EMPA117 EH
Blood/milk/ink on cotton/polyester stains.
Protease concentration 30 nM 60 nM
5ubti1sin309 (SEQ ID NO 1) 1 1 Protease concentration 30 nM 60 nM
S9E+N43R+N76D+S188E+A194P+V2051+Q206L+Y209W+S216V+

L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+A194P+N204D+V2051+Q206L+Y209W+
1.2 1.1 S212G+S216V+L262E
S9E+N43R+N76D+A158E+A194P+N204D+V2051+Q206L+Y209W+
1.3 1.2 S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+V2051+Q206L+Y209W+S259D+
1.3 1.3 N261W+L262E
S9E+N43R+N76D+A158E+G160P+A194P+N204D+V2051+Q206L+
1.3 1.3 Y209W+S212G+S216V+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+
1.2 1.1 Q206 L+Y209W+S216V+L262 E+*275a H +*275bH
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+
1.1 1.1 Q206L+Y209W+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+

Q206L+Y209W+S212G+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+
1.1 1.1 Q206L+Y209W+S212G+L262E
S9E+N43R+N76D+A158E+A194P+V2051+Q206L+Y209W+S259D+
1.2 1.2 N261W+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+
1.2 1.1 Q206L+Y209W+S212G+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+
1.1 1.1 Q206L+Y209W+S216V+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+V2051+Q206L+
1.2 1.2 Y209W+S212G+S216V+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+V2051+Q206L+
1.3 1.2 Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+
1 1.1 Q206L+Y209W+S216V+L262E
S9E+N43R+N76D+A158E+G160P+S161E+V2051+Q206L+Y209W+
1 1.1 S259D+N261W+L262E
S9E+N43R+N76D+A158E+S161E+A194P+N204D+V2051+Q206L+
1.1 1.1 Y209W+S212G+S216V+L262E

Protease concentration 30 nM 60 nM
S9E+N43R+N76D+A158E+S161E+A194P+N204D+V2051+Q206L+
1.2 1.2 Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+G160P+V2051+Q206L+Y209W+S259D+N261W+
1.3 1.3 S9E+N43R+N76D+A194P+Q206L+Y209W+S216V+L262E 0.9 0.9 S9E+N43R+N76D+A194P+V2051+Q206L+Y209W+S216V+L262E 0.9 1 S9E+N43R+N76D+V2051+Q206L+Y209W+S259D+N261W+L262E 1.1 1 S9E+N43R+N76D+G115W+A194P+Q206L+Y209W+L217M+S259D+

S9E+N43R+N76D+G115W+A194P+Q206L+Y209W+S216T+S259D+

S9E+N43R+N76D+G160P+A194P+N204D+V2051+Q206L+Y209W+
1.2 1.1 S212G+S216V+L262E
S9E+N43R+N76D+G160P+A194P+N204D+V2051+Q206L+Y209W+
1.1 1.1 S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+G160P+S161E+A194P+N204D+V2051+Q206L+
1.2 1.2 Y209W+S212G+S216V+L262E
S9E+N43R+N76D+G160P+S161E+A194P+N204D+V2051+Q206L+
1.2 1.1 Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+N204D+V2051+Q206L+Y209W+S259D+N261W+
1.3 1.3 S9E+N43R+N76D+G160P+S161E+V2051+Q206L+Y209W+S259D+
1.4 1.4 N261W+L262E
S3V+N76D+H120V+Q182E+N185E+S188E+V2051+Q206L+Y209W+
0.9 1 S216V+S256D+N261W+L262E
S9E+N43R+N76D+H120V+Q182E+A194P+V2051+Q206L+Y209W+

S256D+N261W+L262E+*275aH+*275bH
S9E+N43R+N76D+N117H+A194P+Q206L+Y209W+N238H+S259D+
1.1 1 T260A+L262E
S9E+N43R+N76D+N185E+S188E+A194P+Q206L+Y209W+S259D+
1.1 1.1 S9E+N43R+N76D+V2051+Q206L+Y209W+S216V+S259D+N261W+
1.3 1.2 S9E+N43R+N76D+S161E+V2051+Q206L+Y209W+S259D+N261W+
1.3 1.2 Protease concentration 30 nM
60 nM
S9E+N43R+N76D+Q182E+A194P+V2051+Q206L+Y209W+S259D+
1.2 1.1 N261W+L262E
S9E+N43R+N76D+S161E+A194P+N204D+V2051+Q206L+Y209W+
1.3 1.2 S212G+S216V+L262E
S9E+N43R+N76D+S161E+A194P+N204D+V2051+Q206L+Y209W+
1.3 1.2 S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+V2051+Q206L+Y209W+S212G+S259D+N261W+
1.3 1.2 S9E+N43R+N76D+S188E+A194P+V2051+Q206L+Y209W+S216V+
1.1 1.1 S9E+N76D+Q182E+V2051+Q206L+Y209W+S256D+N261W+L262E 1 1 S9E+N43R+N76D+S78H+A194P+V2051+Q206L+Y209W+S216V+
0.8 0.9 S9E+N43R+N76D+N204D+V2051+Q206L+Y209W+S212G+S216V+
1.4 1.3 S259D+N261W+L262E
S9E+N76D+V2051+Q206L+Y209W+N261W+L262E 0.9 1 The results of Table 12 show that the Subtilisin 309 variants have improved or on par performance wash performance compared to Subtilisin 309 on EMPA117 EH
Blood/milk/ink on cotton/polyester extra heated at 20 C.
Example 7: Test of subtilisin 309 variants in Mini wash The wash performance of the proteases from Bacillus sp. was tested using laundry liquid detergent on one technical stain using the mini wash system.
The Mini wash assay is a test method where soiled textile is continuously lifted up and down into the test solution and subsequently rinsed.
Table 13: The wash experiment is conducted under the experimental conditions specified below:
Detergent Tixan - YPE commercial available detergent Detergent dose 2 g/I
pH As is (i.e. not adjusted) Water hardness 8.4 dH.
Enzyme conc. Example 20-40-80 nM

Test solution volume 50 ml Test material EMPA117 EH Blood/milk/ink on cotton/polyester extra heated Temperature 25 C
Wash time 20 min soak + 18 min main wash Rinse time 10 min Test system Soiled textile continuously lifted up and down into the test solutions, 50 times per minute (up-time 0.29 sec, down-time 0.29 sec, lift time 0.17 sec). The test solutions are kept in 125 ml glass beakers.
After wash of the textiles are continuously lifted up and down into tap water, 50 times per minute (up-time 0.5 sec, down-time 5 sec, lift time 0.5 sec).
Test materials were obtained from EMPA Testmaterials AG Movenstrasse 12, CH-St. Gallen, Switzerland.
The textiles were subsequently air-dried and the wash performance was measured as the brightness of the color of these textiles. Brightness can also be expressed as the Remission (R), which is a measure for the light reflected or emitted from the test material when illuminated with white light. The Remission (R) of the textiles was measured at 460 nm using a Zeiss MCS
521 VIS spectrophotometer. The measurements were done according to the manufacturer's protocol.
Calculating the enzyme effect was done by taking the measurements from washed swatches with enzymes and subtract with the measurements from washed without enzyme for each stain, ARem ¨enzyme=
The experiments were conducted as described in the mini wash assay for laundry method with the detergent composition and swatches described in table 13 and the experimental conditions as specified in Table 14 below.
Table 14: Experimental conditions for mini wash laundry experiments Detergent dosage YPE, 2 g/L
Test solution volume 50mL
pH As is Wash time 20 min soak + 18 min main wash Temperature 25 C
Water hardness 8.4 dH
Protease concentration 20-40-80 nM
Swatch EMPA117 EH
(Blood/milk/ink on cotton/polyester extra heated) Water hardness was adjusted to 8.4 dH by addition of CaC12, MgC12, and NaHCO3 (Ca2+:Mg2+:CO3- = 2:1:4.5) to the test system. After washing the textiles were rinsed in tap water and dried.
Table 15: Relative performance of proteases from Bacillus sp. subtilisin 309 variants compared to detergent with Subtilisin 309 (SEQ ID NO 1) at 25 C
Protease concentration 20 nM 40 nM 80 nM
5ubti1isin309 (SEQ ID NO 1) 1.0 1.0 1.0 59E+N43R+N76D+A158E+A194P+N204D+V2051+ 1.1 1.3 1.1 Q206L+Y209W+S212G+S216V+L262E
59E+N43R+N76D+A158E+G160P+V2051+Q206L+ 1.1 1.5 1.5 Y209W+S259D+N261W+L262E
59E+N43R+N76D+A158E+G160P+A194P+N204D+ 1.1 1.2 1.3 V2051+Q206L+Y209W+5212G+5216V+L262E
59E+N43R+N76D+A158E+G160P+5161E+A194P+N 0.9 1.1 1.1 204D+V2051+Q206L+Y209W+S216V+L262E+
*275aH+*275bH
59E+N43R+N76D+A158E+G160P+5161E+A194P+ 0.8 1.0 1.1 N204D+V2051+Q206L+Y209W+L262E
59E+N43R+N76D+A158E+G160P+5161E+A194P+N 0.8 0.9 1.3 204D+V2051+Q206L+Y209W+S212G+S216V+L262E
+*275aH+*275bH
59E+N43R+N76D+A158E+G160P+5161E+A194P+N 1.0 1.2 1.4 204D+V2051+Q206L+Y209W+5212G+L262E
59E+N43R+N76D+A158E+A194P+V2051+Q206L+ 0.9 1.3 1.5 Y209W+S259D+N261W+L262E
59E+N43R+N76D+A158E+G160P+5161E+A194P+N 0.7 0.9 1.0 204D+V2051+Q206L+Y209W+5212G+L262E+
*275aH+*275bH
59E+N43R+N76D+A158E+G160P+5161E+A194P+ 1.1 1.2 1.3 N204 D+V2051+Q206L+Y209W+S216V+L262 E
59E+N43R+N76D+A158E+G160P+5161E+A194P+ 0.9 0.8 1.1 Q206 L+Y209W+S259D+ L262 E+*275a H +*275bH
59E+N43R+N76D+A158E+G160P+5161E+A194P+ 1.2 1.2 1.3 V2051+Q206L+Y209W+5212G+5216V+L262E

Protease concentration 20 nM 40 nM 80 nM
S9E+N43R+N76D+A158E+S161E+V2051+Q206L+ 0.8 1.2 1.4 Y209W+S259D+N261W+L262E
S9E+N43R+N76D+A158E+G160P+S161E+V205I+ 0.7 1.1 1.1 Q206L+Y209W+S259D+N261W+L262E
S9E+N43R+N76D+A158E+S161E+A194P+N204D+ 1.0 1.2 1.1 V2051+Q206L+Y209W+S212G+S216V+L262E
S9E+N43R+N76D+G160P+V2051+Q206L+Y209W+ 1.1 1.3 1.3 S259D+N261W+L262E
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+ 1.1 1.1 1.1 Y209W+S212G+S216V+S259D+N261W+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+L262E 1.1 1.1 1.1 S9E+N43R+N76D+A194P+Q206L+Y209W+S256D+ 0.9 0.9 1.0 S259D+N261W+L262E
S9E+N43R+N76D+A194P+Q206L+Y209W+T255E+S 1.1 1.1 1.2 256D+S259D+T260E+N261W+L262E
S9E+N43R+N76D+V2051+Q206L+Y209W+S259D+ 1.1 1.3 1.2 N261W+L262E
S9E+N43R+N76D+G115W+H120V+A194P+Q206L+ 0.9 1.0 1.1 Y209W+S259D+L262E
S9E+N43R+N76D+G115W+H120V+P129D+A194P+ 0.8 1.0 0.9 Q206L+Y209W+S259D+L262E
S9E+N43R+N76D+G160P+A194P+N204D+V2051+ 1.3 1.4 1.2 Q206L+Y209W+S212G+S216V+L262E
S9E+N43R+N76D+G160P+S161E+A194P+N204D+ 1.1 1.4 1.3 V2051+Q206L+Y209W+S212G+S216V+L262E
S9E+N43R+N76D+G160P+S161E+A194P+N204D+ 1.4 1.5 1.5 V2051+Q206L+Y209W+S212G+S216V+L262E+
*275aH+*275bH
S9E+N43R+N76D+N204D+V2051+Q206L+Y209W+ 1.0 1.1 1.4 S259D+N261W+L262E
S9E+N43R+N76D+G160P+S161E+V2051+Q206L+ 1.1 1.2 1.3 Y209W+S259D+N261W+L262E
S9E+N43R+N76D+H120V+Q182E+A194P+V205I+ 1.0 1.1 1.1 Q206L+Y209W+S256D+N261W+L262E+*275aH+*27 5bH

Protease concentration 20 nM 40 nM 80 nM
S9E+N43R+N76D+V2051+Q206L+Y209W+S216V+ 0.8 1.0 1.2 S259D+N261W+L262E
S9E+N43R+N76D+S161E+V2051+Q206L+Y209W+ 0.9 1.0 1.5 S259D+N261W+L262E
S9E+N43R+N76D+P131*-FA194P+Q206L+Y209W+ 1.5 1.4 1.4 S259D+L262E
S9E+N43R+N76D+H120V+Q182E+A194P+V205I+ 0.9 1.0 1.2 Q206L+Y209W+S256D+N261W+L262E+*275aH+
*275bH
S9E+N43R+N76D+S161E+A194P+N204D+V2051+ 0.9 1.2 1.2 Q206L+Y209W+S212G+S216V+L262E+*275aH+
*275bH
S9E+N43R+N76D+V2051+Q206L+Y209W+S212G+ 1.0 1.2 1.5 S259D+N261W+L262E
S9E+N43R+N76D+N204D+V2051+Q206L+Y209W+ 1.1 1.2 1.3 S212G+S216V+S259D+N261W+L262E
The results in Table 15 show that the Subtilisin309 variants showed improved or on par wash performance compared to Subtilisin309 (SEQ ID NO 1) on Blood/milk/ink at 25 C.
Example 8: Accelerated storage stability assay Storage stability of protease variants in liquid detergent was evaluated using an accelerated assay with incubation at 58 C, pH 9 for up to 48 hours in the CNS
(Chinese national standard) detergent.
LAS, (C10-C13) alkylbenzene-sulfonic acid 8%
AES, AEOS, sodium lauryl ether sulfate 4%
AE09, Alcohol ethoxylate .. 4%
TEA (Triethanolamine ) 0.5%
CNS pH 9 NaCitrate 0.5%
Sodium hydroxide 1%
EDTA
0.001%
Deionized Water to 100%
(amounts in percent by weight (wt)) Otherwise the experiment was carried out under the same conditions as in Example 4 and 5.
The results in Table 16 are expressed as T% IF: Half-life improvement factors relative to Subtilisin 309 (SEQ ID NO 1) as described in Example 4.
1: T1/2 IF > 1000;
2: 500 T% IF 1000;
3: 50 T% IF < 500.
Table 16: Accelerated storage stability results in CNS relative to Subtilisin 309.
Mutations S9E+N43R+N76D+V2051+Q206L+Y209W+S216V+S259D+N261W+L262E 2 59E+N43R+N76D+N204D+V2051+Q206L+Y209W+5212G+5216V+5259D+ 1 N261W+L262E
59E+N43R+N76D+V2051+Q206L+Y209W+5212G+5259D+N261W+L262E 2 59E+N43R+N76D+5161E+V2051+Q206L+Y209W+5259D+N261W+L262E 2 59E+N43R+N76D+N204D+V2051+Q206L+Y209W+5259D+N261W+L262E 2 59E+N43R+N76D+G160P+5161E+V2051+Q206L+Y209W+5259D+N261W+ 2 S9E+N43R+N76D+G160P+V2051+Q206L+Y209W+S259D+N261W+L262E 2 59E+N43R+N76D+A158E+5161E+V2051+Q206L+Y209W+5259D+N261W+ 2 S9E+N43R+N76D+A158E+G160P+S161E+V2051+Q206L+Y209W+S259D+ 2 N261W+L262E
S9E+N43R+N76D+A158E+G160P+V2051+Q206L+Y209W+S259D+N261W+ 2 S9E+N43R+N76D+A158E+A194P+V2051+Q206L+Y209W+S259D+N261W+ 2 59E+N43R+N76D+A158E+G160P+5161E+A194P+N204D+V2051+Q206L+ 1 Y209W+5212G+L262E+*275aH+*275bH
59E+N43R+N76D+A158E+G160P+5161E+A194P+N204D+V2051+Q206L+ 2 Y209W+L262E+*275aH+*275bH

S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+A194P+N204D+V2051+Q206L+Y209W+ 1 S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+S161E+A194P+V2051+Q206L+Y209W+ 2 S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+A194P+N204D+V2051+Q206L+Y209W+S212G+ 2 S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+S161E+A194P+N204D+V2051+Q206L+Y209W+ 2 S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+G160P+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1 S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+S161E+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1 S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+G160P+S161E+A194P+N204D+V2051+Q206L+Y209W+ 1 S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+ 1 S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+S212G+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+S216V+L262E
S9E+N43R+N76D+A158E+G160P+A194P+N204D+V2051+Q206L+Y209W+ 1 S212G+S216V+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+V2051+Q206L+Y209W+ 1 S212G+S216V+L262E
S9E+N43R+N76D+A158E+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1 S216V+L262E
S9E+N43R+N76D+A158E+S161E+A194P+N204D+V2051+Q206L+Y209W+ 1 S212G+S216V+L262E
S9E+N43R+N76D+G160P+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1 S216V+L262E

S9E+N43R+N76D+S161E+A194P+N204D+V2051+Q206L+Y209W+S212G+ 1 S216V+L262E
S9E+N43R+N76D+G160P+S161E+A194P+N204D+V2051+Q206L+Y209W+ 1 S212G+S216V+L262E
S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+ 1 S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+Q182E+A194P+V2051+Q206L+Y209W+S259D+N261W+ 2 S9E+N43R+N76D+G115W+A194P+Q206L+Y209W+L217M+S259D+L262E 3 S9E+N43R+N76D+G115W+A194P+Q206L+Y209W+S216T+S259D+L262E 2 S9E+N43R+N76D+S188E+A194P+V2051+Q206L+Y209W+S216V+L262E 2 S9E+N43R+N76D+S78H+A194P+V2051+Q206L+Y209W+S216V+L262E 2 S9E+N43R+N76D+N117H+A194P+Q206L+Y209W+N238H+S259D+T260A 3 +L262E
S9E+N43R+N76D+N185E+S188E+A194P+Q206L+Y209W+S259D+L262E 3 S9E+N43R+N76D+A194P+V2051+Q206L+Y209W+S216V+L262E 3 S9E+N43R+N76D+A194P+Q206L+Y209W+S216V+L262E 3 S9E+N43R+N76D+H120V+Q182E+A194P+V2051+Q206L+Y209W+S256D+ 3 N261W+L262E+*275aH+*275bH
S3V+N76D+H120V+Q182E+N185E+S188E+V2051+Q206L+Y209W+S216V 1 +S256D+N261W+L262E
S3V+S9R+N76D+H120V+Q182E+N185E+S188E+V2051+Q206L+Y209W+S 2 216V+S256D+N261W+L262E
S9E+N43R+N76D+S188E+A194P+V2051+Q206L+Y209W+S216V+L262E+* 2 275aH+*275bH
S9E+N43R+N76D+V2051+Q206L+Y209W+S259D+N261W+L262E 3 S9E+N76D+V2051+Q206L+Y209W+N261W+L262E 3 S9E+N76D+Q182E+V2051+Q206L+Y209W+S256D+N261W+L262E 2 *35aD+N76D+H120D+G195E+K235L 3 S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+ 1 Y209W+S212G+S216V+L262E+*275aH+*275bH
S9E+N43R+N76D+A194P+N204D+V2051+Q206L+Y209W+S212G+S216V+ 1 S9E+N43R+N76D+A158E+G160P+S161E+A194P+N204D+V2051+Q206L+

Y209W+S212G+S216V+L262E
S9E+N43R+A48H+N76D+N117H+A158E+G160P+S161E+A194P+N204D+
V2051+Q206L+Y209W+S212G+S216V+N238H+L262E 2 S9E+N43R+A48H+N76D+N117H+G160D+S161E+A194P+N204D+V2051+Q

206L+Y209W+S212G+S216V+N238H+L262E
Example 9: Identification of stability motifs The half-life improvement factor (T% IF), melting temperature (Tm) and ratio (R) of transformed half-life improvement factor over delta melting temperature were analysed for various sets of variants of SEQ ID NO: 1. The ratio (R) was calculated according to the formula 1: R= -Gunfold / .8:1m, wherein said .8.Tm = Tm(variant) - Tm(parent polypeptide), wherein said Gunfold = - 2685 x /n(half-life improvement factor). The parent polypeptide was SEQ ID
NO: 1 having Tm = 80.5 C. Half-life improvement factors (T% IF) relative to Subtilisin 309 (SEQ
ID NO 1) were calculated as described in Example 4 herein. The obtained results are shown in Tables 17-20 below. The thermostability of variants of SEQ ID NO: 1 was determined by Differential Scanning Calorimetry (DSC) using a VP-Capillary Differential Scanning Calorimeter (MicroCal Inc., Piscataway, NJ, USA). The thermal denaturation temperature (or melting temperature, Tm ( C)), was taken as the top of denaturation peak (major endothermic peak) in thermograms (Cp vs. T) obtained after heating enzyme solutions (approx. 0.5 mg/ml) in buffer (50 mM HEPES buffer pH 7.8 with 2 mM CaCl2 added) at a constant programmed heating rate of 200 K/hr. Sample- and reference-solutions (approx. 0.2 ml) were loaded into the calorimeter (reference: buffer CaCl2 without enzyme) from storage conditions at 10 C and thermally pre-equilibrated for 20 minutes at 20 C prior to DSC scan from 20 C to 100 C.
Melting temperatures (Tm) were determined at an accuracy of approximately +/- 1 C.
Table 17. Correlation between mutations, corresponding half-life improvement factors (T% IF), melting temperatures (Tm) and ratios (R) of transformed half-life improvement factor of the first set of variants of SEQ ID NO: 1:
Mutations T1/2 IF Tm Ratio (R) 59E,N76D,Q206L,Y209W,5256D 43 85.6 1.98 59E,N43R,N76D,A194P,Q206L,L262E 111 90.6 1.25 N43R,N76D,Q206L,Y209W,5256D 22 84.9 1.88 S9E,N43R,N76D,Q206L,Y209W,5256D 61 85.8 2.08 59E,N43R,N76D,G115W,H120V,A194P,Q206L,Y209W,5259D, L262E 566 92.2 1.46 59E,N43R,N76D,Q191N,A194P,Q206L,Y209W,5259D,L262E 209 98.7 0.79 59E,N43R,N76D,A194P,V2051,Q206L,Y209W,5212G,5216V,L2 62E 1258 94 1.42 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,L262E 1000 94.1 1.36 59E,N43R,N76D,A194P,Q206L,Y209W,T255E,5256D,5259D,T
260E,N261W,L262E 375 90.3 1.63 59E,N43R,N76D,G115W,H120V,P129D,A194P,Q206L,Y209W, 5259D,L262E 853 92.6 1.5 59E,N43R,N76D,Q182E,N185E,5188E,Q191N,A194P,Q206L,Y
209W,5259D,L262E 732 97.3 1.05 S9E,N43R,N76D,A194P,Q206L,Y209W,S256D,S259D,N261W, L262E 470 90.4 1.67 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,N261W,L262E 2205 93 1.65 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,5259D,N261W,L262E 1509 94 1.46 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,T255E,5256D,5259D,N261W,L262E 1930 70.1 -1.95 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,5256D,5259D,T260E,N261W,L262E 1881 96 1.31 53V,59R,A15T,G61E,V68A,A194P,V205I,Q245R,N261D 81.7 59R,A15T,G61E,V68A,599D,A194P,V205I,Q245R,N261D 84 Al 5T,N62D,A985,P129D,V205I,Q245R,5259D 80.5 N185,N62D,V2051,Q245R,K251R,5259D 84.4 59R,A15T,K27R,G61E,V68A,P129D,A194P,V205I,Q245R,N261 D 84.3 Mutations T1/2 IF Tm Ratio (R) S9R,A15T,G61E,V68A,P129D,A194P,V205I,Q245R,S259D 85.4 S9R,A15T,K27R,G61E,V68A,P129D,A194P,V205I,Q245R,S259 S9R,A15T,K27R,R45K,G61E,V68A,P129D,A194P,V205I,K235R
,Q245R,S259D 84.5 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E 1617 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E,*275aH,*275bH 1273 S9E,N43R,N76D,H120V,Q182E,A194P,V2051,Q206L,Y209W,S
256D,S259D,N261W,L262E 94.6 S3V,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y209W, S216V,S256D,N261W,L262E 1023 92.5 1.55 K27R,R45K,N62D,V205I,K235R,Q245R,S259D 84.1 S9E,N43R,N76D,N185Y,F189L,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 85.5 S9R,A15T,G61E,V68A,S101E,A194P,V2051,Q245R,N261D 82.8 S9R,A15T,G61E,V68A,P129D,A194P,V205I,Q245R,N261D 83 S9R,A15T,G61E,V68A,A194P,V205I,Q245R,N261D,L262E 85.8 S9R,A15T,G61E,V68A,A194P,V205I,Q245R,S259D,N261D 82.8 S9R,A15T,G61E,V68A,A194P,V205I,L217D,Q245R,N261D 74 S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q
206L,Y209W,S259D,L262E 420 96.2 1.03 S9E,N43R,N76D,Q182E,A194P,V2051,Q206L,Y209W,S256D,S
259D,N261W,L262E 92.6 S9E,N43R,N76D,A158E,G160P,S161E,A194P,Q206L,Y209W,S
259D,L262E,*275aH,*275bH 332 95 1.08 S9E,N43R,N76D,H120V,Q182E,A194P,V2051,Q206L,Y209W,S
256D,N261W,L262E,*275aH,*275bH 856 92.3 1.54 N62D,V2051,Q245R,K251R,S259D 84.4 S9E,N43R,N76D,V2051,Q206L,Y209W,S259D,N261W,L262E 420 92.9 1.31 S9E,N43R,N76D,A194P,Q206L,S259D,L262E 108 S9E,N43R,N76D,A194P,Q206L,Y209W,L262E 229 S9E,N43R,N76D,P131*,A194P,Q206L,Y209W,S259D,L262E 717 Mutations T1/2 IF Tm Ratio (R) S9E,N43R,N76D,*99aE,P131*,A194P,Q206L,Y209W,S259D,L2 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E 287 S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,L262E 394 S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S216V,L262E 479 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,N261W,L262E 503 S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S259D,L262E 343 S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S259D,L262E 799 S9E,N76D,Q206L,Y209W,L262E 180 S9E,N43R,172A,N76D,G115W,H120V,P129D,A158E,G160P,Q1 82E,N185E,S188E,Q191N,A194P,N204D,V2051,Q206L,Y209W, S212G,S216V,T255E,S256D,S259D,T260E,N261W,L262E 178 S9E,N76D,Q206L,Y209W,N261W,L262E 176 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256D,S259D,N261W,L262E 2792 S9E,N43R,N76D,Q137H,S141H,R145H,A194P,Q206L,Y209W, S259D,L262E 205 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E,*275aH,*
275bH 248 S9E,N43R,N76D,Q137H,S141H,R145H,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E 1513 S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1277 S9E,N43R,N76D,G160D,S161E,S163G,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E 1204 S9E,N43R,N76D,Q137H,S141H,R145H,A158E,G160P,S161E,A
194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1157 S9E,N43R,N76D,Q137H,S141H,R145H,G160D,S161E,A194P, N204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1161 S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N
204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*275b S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A1 94P,N204D,V2051,Q206L,Y209W,S212G,S216V,N238H,L262E, *275aR 978 Mutations T1/2 IF Tm Ratio (R) S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,S256D,L262E 1593 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,T260A,L262E 845 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,T260A,L262E 1313 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256 D,T260A, L262 E,*275a R 698 S9E,N43R,A48H,N76D,N117H,A194P,N204D,V2051,Q206L,Y20 9W,S212G,S216V,N238H,S256D,T260A,L262E 858 S9E,N43R,A48H,N76D,N117H,P129D,A194P,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,S256D,T260A,L262E 1147 S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,T260A,L262E,*275aH,*275bH 1295 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1094 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 1003 S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L

S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,Q2 06L,Y209W,N238H,S259D,L262E 423 S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,Q206L,Y2 09W,N238H,S259D,L262E 429 S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L
262E,*275aH,*275bH 714 S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y
209W,S259D,L262E 508 S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q
206L,Y209W,N238H,S259D,L262E,*275aH,*275bH 519 S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y
209W,S259D,L262E,*275aH,*275bH 298 S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A1 94P,Q206L,Y209W,N238H,S259D,L262E,*275aR 281 Mutations T1/2 IF Tm Ratio (R) S9E,N43R,N76D,A194P,G195E,Q206L,Y209W,S259D,L262E,*
275aR 149 S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L

S9E,N43R,N76D,P129D,A194P,Q206L,Y209W,S259D,L262E 456 S9E,N43R,N76D,P129D,A194P,G195E,Q206L,Y209W,S259D,L

S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L
262E,*275aH,*275bH 190 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,T260A,L262E 293 S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D, T260A,L262E,*275aR 214 S9E,N43R,A48H,N76D,N117H,A194P,Q206L,Y209W,N238H,S
259D,T260A,L262E 609 S9E,G61E,N76D,Q206L,Y209W,S256D,L262E 272 S9E,G61E,N76D,Q206L,S256D,L262E 111 S9E,G61E,N76D,P129D,Q206L,T260A,L262E 126 S9E,G61E,N76D,N204D,Q206L,Y209W,L262E 480 S9E,G61E,N76D,Q137H,S141H,R145H,N204D,Q206L,Y209W, L262E,*275aR 200 S9E,G61E,N76D,N204D,Q206L,Y209W,L262E,*275aH,*275bH 454 S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,N2 04D,V2051,Q206L,Y209W,S212G,S216V,N238H,L262E 965 S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,N204D,V2 051,Q206L,Y209W,S212G,S216V,N238H,L262E 803 S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 1222 S9E,G2OH,T22H,S24H,N43R,N76D,G160D,S161E,A194P,N204 D,V2051,Q206L,Y209W,S212G,S216V,L262E 241 S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N
204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1304 S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D, V2051,Q206L,Y209W,S212G,S216V,L262E 1025 S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P, N204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1638 Mutations T1/2 IF Tm Ratio (R) S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D, V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*275bH 1037 S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P, N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*275 bH 909 S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N
204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aR 1071 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256D,L262E 1202 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,T260A,L262E 1168 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,S256D,T260A,L262E 972 S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,T260A,L262E 1609 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,L262E 593 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,T260A,L262E 1172 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256D,T260A,L262E,*275aH,*275bH 1005 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,L262E 1230 S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,L262E,*275aR 674 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,L262E,*275aH,*275bH 1039 S9E,N43R,N76D,Y91H,N117H,A194P,G195E,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,L262E 346 S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,L262E 1054 S9E,N76D,V2051,Q206L,Y209W,N261W,L262E 347 S9E,N76D,Q182E,V2051,Q206L,Y209W,S256D,N261W,L262E 524 S9E,N43R,N76D,Q182E,A194P,V2051,Q206L,Y209W,S259D,N
261W,L262E 516 Mutations T1/2 IF Tm Ratio (R) S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,L217M,S259D, S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S216T,S259D, S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L2 S9E,N43R,N76D,S78H,A194P,V2051,Q206L,Y209W,S216V,L26 S9E,N43R,N76D,N117H,A194P,Q206L,Y209W,N238H,S259D, T260A,L262E 292 S9E,N43R,N76D,N185E,S188E,A194P,Q206L,Y209W,S259D,L

S9E,N43R,N76D,A194P,V2051,Q206L,Y209W,S216V,L262E 291 S9E,N43R,N76D,A194P,Q206L,Y209W,S216V,L262E 363 S3V,S9R,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y20 9W,S216V,S256D,N261W,L262E 857 S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L2 62E,*275aH,*275bH 553 S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1491 S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1013 S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1332 S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1785 S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1412 S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1483 S9E,N43R,N76D,A158E,G160P,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1918 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S216V,L262E 1564 Mutations T1/2 IF Tm Ratio (R) S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,L262E 1201 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,L262E 1859 S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 1724 S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 1303 S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 1018 S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 908 S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 915 S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 979 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S216V,L262E,*275aH,*275bH 1297 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206 L,Y209W, L262 E,*275aH ,*275bH 688 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,L262E,*275aH,*275bH 1207 S9E,N43R,N76D,A158E,A194P,V2051,Q206L,Y209W,S259D,N
261W,L262E 774 S9E,N43R,N76D,A158E,G160P,V2051,Q206L,Y209W,S259D,N
261W,L262E 667 S9E,N43R,N76D,A158E,G160P,S161E,V2051,Q206L,Y209W,S
259D,N261W,L262E 801 S9E,N43R,N76D,A158E,S161E,V2051,Q206L,Y209W,S259D,N
261W,L262E 588 S9E,N43R,N76D,G160P,V2051,Q206L,Y209W,S259D,N261W,L

S9E,N43R,N76D,G160P,S161E,V2051,Q206L,Y209W,S259D,N
261W,L262E 934 Mutations T1/2 IF Tm Ratio (R) S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S259D,N261W,L

S9E,N43R,N76D,S161E,V2051,Q206L,Y209W,S259D,N261W,L

S9E,N43R,N76D,V2051,Q206L,Y209W,S212G,S259D,N261W,L

S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S212G,S216V,S
259D,N261W,L262E 1131 S9E,N43R,N76D,V2051,Q206L,Y209W,S216V,S259D,N261W,L

Subsequent analysis of the data shown in Table 17 revealed a set of substitutions spanning positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID NO: 2 as a consensus stability motif. Accordingly, the following set of substitutions (i.e., a consensus stability motif) that greatly improved stability of the variants compared to SEQ ID NO: 1 (e.g., T% IF>100) was identified in the analysed variants: X194 [P, A] + X195 [E, G]
+ X204 [D, N] +
X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S]
+ X260 [A, E, T] + X261 [W, N] + X262 [E]. The analysed variants had at least 65%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 1, each variant comprised two or more of the following substitutions: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W], and additionally: the half-life improvement factor was >100, or the melting temperature (Tm) was greater than 70 C, or the ratio (R) of transformed half-life improvement factor over delta melting temperature was greater than -3.
Table 18. Correlation between mutations, corresponding half-life improvement factors (T% IF), melting temperatures (Tm) and ratios (R) of transformed half-life improvement factor of the second set of variants of SEQ ID NO: 1:
Mutations T1/2 IF Tm ATm Ratio (R) 59E,N43R,N76D,A194P,V2051,Q206L,Y209W,5212G,521 1258 94 13.5 1.42 6V,L262E
59E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,521 1000 94.1 13.6 1.36 2G,5216V,L262E
59E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,521 2204 93 12.5 1.65 2G,S216V,N261W,L262E

S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S21 1508 94 13.5 1.45 2G,S216V,S259D,N261W,L262E
S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S21 1881 96 15.5 1.3 2G,S216V,S256D,S259D,T260E,N261W,L262E
S9E,N43R,N76D,V2051,Q206L,Y209W,S259D,N261W,L2 420 92.9 12.4 1.30 Subsequent analysis of the data shown in Table 18 above revealed a set of substitutions (i.e., a consensus stability motif) present in the analysed variants: X262E +
X209W + X2051 that similarly greatly improved stability of the variants compared to SEQ ID NO: 1 (e.g., T% IF>100).
-- The analysed variants had at least 65%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 1, and each variant had a melting temperature of at least 5 C
greater than the melting temperature of the parent polypeptide (SEQ ID NO: 1) and each variant further had a half-life improvement factor of >100.
The half-life improvement factor (T% IF), delta melting temperature (ATm) and ratio (R) of transformed half-life improvement factor over delta melting temperature were also analysed for the third set of variants of SEQ ID NO: 1. The ratio (R) was calculated according to the formula I
as explained above. The parent polypeptide was SEQ ID NO: 1 having Tm = 80.5 C. Half-life improvement factors (T% IF) relative to Subtilisin 309 (SEQ ID NO 1) were calculated as -- described in Example 4 herein. The obtained results are shown in Table 19 below.
Table 19. Correlation between mutations, corresponding half-life improvement factors (T% IF), delta melting temperatures (ATm) and ratios (R) of transformed half-life improvement factor of the third set of variants of SEQ ID NO: 1:
Mutations T1/2 IF ATm Ratio (R) 59E,N76D,Q206L,Y209W,5256D
43 5.1 1.98 59E,N43R,N76D,A194P,Q206L,L262E
111 10.1 1.25 N43R,N76D,Q206L,Y209W,5256D
22 4.4 1.88 59E,N43R,N76D,Q206L,Y209W,5256D
61 5.3 2.08 59E,N43R,N76D,G115W,H120V,A194P,Q206L,Y209W,5259D, 11.7 1.46 59E,N43R,N76D,Q191N,A194P,Q206L,Y209W,5259D,L262E 209 18.2 0.79 59E,N43R,N76D,A194P,V2051,Q206L,Y209W,5212G,5216V,L2 1258 13.5 1.42 Mutations T1/2 IF ATm Ratio (R) S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,L262E 1000 13.6 1.36 S9E,N43R,N76D,A194P,Q206L,Y209W,T255E,S256D,S259D,T
260E,N261W,L262E 375 9.8 1.63 S9E,N43R,N76D,G115W,H120V,P129D,A194P,Q206L,Y209W, S259D,L262E 853 12.1 1.5 S9E,N43R,N76D,Q182E,N185E,S188E,Q191N,A194P,Q206L,Y
209W,S259D,L262E 732 16.8 1.05 S9E,N43R,N76D,A194P,Q206L,Y209W,S256D,S259D,N261W, L262E 470 9.9 1.67 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,N261W,L262E 2205 12.5 1.65 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S259D,N261W,L262E 1509 13.5 1.46 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S -216V,T255E,S256D,S259D,N261W,L262E 1930 10.4 -1.95 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256D,S259D,T260E,N261W,L262E 1881 15.5 1.31 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E 1617 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E,*275aH,*275bH 1273 S9E,N43R,N76D,H120V,Q182E,A194P,V2051,Q206L,Y209W,S
256D,S259D,N261W,L262E 14.1 S3V,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y209W, S216V,S256D,N261W,L262E 1023 12 1.55 S9E,N43R,N76D,N185Y,F189L,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 5 S9R,A15T,G61E,V68A,A194P,V2051,Q245R,N261D,L262E 5.3 S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q
206L,Y209W,S259D,L262E 420 15.7 1.03 S9E,N43R,N76D,Q182E,A194P,V2051,Q206L,Y209W,S256D,S
259D,N261W,L262E 12.1 S9E,N43R,N76D,A158E,G160P,S161E,A194P,Q206L,Y209W,S
259D,L262E,*275aH,*275bH 332 14.5 1.08 Mutations T1/2 IF ATm Ratio (R) S9E,N43R,N76D,H120V,Q182E,A194P,V2051,Q206L,Y209W,S
256D,N261W,L262E,*275aH,*275bH 856 11.8 1.54 S9E,N43R,N76D,V2051,Q206L,Y209W,S259D,N261W,L262E 420 12.4 1.31 S9E,N43R,N76D,A194P,Q206L,S259D,L262E 108 S9E,N43R,N76D,A194P,Q206L,Y209W,L262E 229 S9E,N43R,N76D,P131*,A194P,Q206L,Y209W,S259D,L262E 717 S9E,N43R,N76D,*99aE,P131*,A194P,Q206L,Y209W,S259D,L2 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E 287 S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,L262E 394 S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S216V,L262E 479 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,N261W,L262E 503 S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S259D,L262E 343 S9E,N43R,N76D,A194P,Q206L,Y209W,S212G,S259D,L262E 799 S9E,N76D,Q206L,Y209W,L262E 180 S9E,N43R,172A,N76D,G115W,H120V,P129D,A158E,G160P,Q1 82E,N185E,S188E,Q191N,A194P,N204D,V2051,Q206L,Y209W, S212G,S216V,T255E,S256D,S259D,T260E,N261W,L262E 178 S9E,N76D,Q206L,Y209W,N261W,L262E 176 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256D,S259D,N261W,L262E 2792 S9E,N43R,N76D,Q137H,S141H,R145H,A194P,Q206L,Y209W, S259D,L262E 205 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,L262E,*275aH,*
275bH 248 S9E,N43R,N76D,Q137H,S141H,R145H,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E 1513 S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1277 S9E,N43R,N76D,G160D,S161E,S163G,A194P,N204D,V2051,Q
206L,Y209W,S212G,S216V,L262E 1204 S9E,N43R,N76D,Q137H,S141H,R145H,A158E,G160P,S161E,A
194P,N204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1157 S9E,N43R,N76D,Q137H,S141H,R145H,G160D,S161E,A194P, N204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1161 Mutations T1/2 IF
ATm Ratio (R) S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N
204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*275b S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A1 94P,N204D,V2051,Q206L,Y209W,S212G,S216V,N238H,L262E, *275aR 978 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,S256D,L262E 1593 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,T260A,L262E 845 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,T260A,L262E 1313 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256 D,T260A, L262 E,*275a R 698 S9E,N43R,A48H,N76D,N117H,A194P,N204D,V2051,Q206L,Y20 9W,S212G,S216V,N238H,S256D,T260A,L262E 858 S9E,N43R,A48H,N76D,N117H,P129D,A194P,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,S256D,T260A,L262E 1147 S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,T260A,L262E,*275aH,*275bH 1295 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1094 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 1003 S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L

S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,Q2 06L,Y209W,N238H,S259D,L262E 423 S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,Q206L,Y2 09W,N238H,S259D,L262E 429 S9E,N43R,N76D,G160D,S161E,A194P,Q206L,Y209W,S259D,L
262E,*275aH,*275bH 714 S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y
209W,S259D,L262E 508 Mutations T1/2 IF
ATm Ratio (R) S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,Q
206L,Y209W,N238H,S259D,L262E,*275aH,*275bH 519 S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,Q206L,Y
209W,S259D,L262E,*275aH,*275bH 298 S9E,N43R,A48H,N76D,N117H,H120D,A158E,G160P,S161E,A1 94P,Q206L,Y209W,N238H,S259D,L262E,*275aR 281 S9E,N43R,N76D,A194P,G195E,Q206L,Y209W,S259D,L262E,*
275aR 149 S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L

S9E,N43R,N76D,P129D,A194P,Q206L,Y209W,S259D,L262E 456 S9E,N43R,N76D,P129D,A194P,G195E,Q206L,Y209W,S259D,L

S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D,L
262E,*275aH,*275bH 190 S9E,N43R,N76D,A194P,Q206L,Y209W,S259D,T260A,L262E 293 S9E,N43R,N76D,N117H,H120D,A194P,Q206L,Y209W,S259D, T260A,L262E,*275aR 214 S9E,N43R,A48H,N76D,N117H,A194P,Q206L,Y209W,N238H,S
259D,T260A,L262E 609 S9E,G61E,N76D,Q206L,Y209W,S256D,L262E 272 S9E,G61E,N76D,Q206L,S256D,L262E 111 S9E,G61E,N76D,P129D,Q206L,T260A,L262E 126 S9E,G61E,N76D,N204D,Q206L,Y209W,L262E 480 S9E,G61E,N76D,Q137H,S141H,R145H,N204D,Q206L,Y209W, L262E,*275aR 200 S9E,G61E,N76D,N204D,Q206L,Y209W,L262E,*275aH,*275bH 454 S9E,N43R,A48H,N76D,N117H,A158E,G160P,S161E,A194P,N2 04D,V2051,Q206L,Y209W,S212G,S216V,N238H,L262E 965 S9E,N43R,A48H,N76D,N117H,G160D,S161E,A194P,N204D,V2 051,Q206L,Y209W,S212G,S216V,N238H,L262E 803 S9E,N43R,N76D,G160D,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 1222 S9E,G2OH,T22H,S24H,N43R,N76D,G160D,S161E,A194P,N204 D,V2051,Q206L,Y209W,S212G,S216V,L262E 241 Mutations T1/2 IF
ATm Ratio (R) S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N
204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1304 S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D, V2051,Q206L,Y209W,S212G,S216V,L262E 1025 S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P, N204D,V2051,Q206L,Y209W,S212G,S216V,L262E 1638 S9E,N43R,N76D,N117H,H120D,G160D,S161E,A194P,N204D, V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*275bH 1037 S9E,N43R,N76D,N117H,H120D,G160D,S161E,S163G,A194P, N204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aH,*275 bH 909 S9E,N43R,N76D,N117H,H120D,A158E,G160P,S161E,A194P,N
204D,V2051,Q206L,Y209W,S212G,S216V,L262E,*275aR 1071 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256D,L262E 1202 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,T260A,L262E 1168 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,S256D,T260A,L262E 972 S9E,N43R,N76D,P129D,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,T260A,L262E 1609 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,S256D,L262E 593 S9E,N43R,N76D,A194P,G195E,N204D,V2051,Q206L,Y209W,S
212G,S216V,T260A,L262E 1172 S9E,N43R,N76D,A194P,N204D,V2051,Q206L,Y209W,S212G,S
216V,S256D,T260A,L262E,*275aH,*275bH 1005 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,L262E 1230 S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,L262E,*275aR 674 S9E,N43R,N76D,N117H,H120D,A194P,N204D,V2051,Q206L,Y
209W,S212G,S216V,L262E,*275aH,*275bH 1039 S9E,N43R,N76D,Y91H,N117H,A194P,G195E,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,L262E 346 Mutations T1/2 IF
ATm Ratio (R) S9E,N43R,A48H,N76D,N117H,A194P,G195E,N204D,V2051,Q2 06L,Y209W,S212G,S216V,N238H,L262E 1054 S9E,N76D,V2051,Q206L,Y209W,N261W,L262E 347 S9E,N76D,Q182E,V2051,Q206L,Y209W,S256D,N261W,L262E 524 S9E,N43R,N76D,Q182E,A194P,V2051,Q206L,Y209W,S259D,N
261W,L262E 516 S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,L217M,S259D, S9E,N43R,N76D,G115W,A194P,Q206L,Y209W,S216T,S259D, S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L2 S9E,N43R,N76D,S78H,A194P,V2051,Q206L,Y209W,S216V,L26 S9E,N43R,N76D,N117H,A194P,Q206L,Y209W,N238H,S259D, T260A,L262E 292 S9E,N43R,N76D,N185E,S188E,A194P,Q206L,Y209W,S259D,L

S9E,N43R,N76D,A194P,V2051,Q206L,Y209W,S216V,L262E 291 S9E,N43R,N76D,A194P,Q206L,Y209W,S216V,L262E 363 S3V,S9R,N76D,H120V,Q182E,N185E,S188E,V2051,Q206L,Y20 9W,S216V,S256D,N261W,L262E 857 S9E,N43R,N76D,S188E,A194P,V2051,Q206L,Y209W,S216V,L2 62E,*275aH,*275bH 553 S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1491 S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1013 S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1332 S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1785 S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E 1412 Mutations T1/2 IF
ATm Ratio (R) S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1483 S9E,N43R,N76D,A158E,G160P,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E 1918 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S216V,L262E 1564 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,L262E 1201 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,L262E 1859 S9E,N43R,N76D,G160P,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 1724 S9E,N43R,N76D,S161E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 1303 S9E,N43R,N76D,G160P,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 1018 S9E,N43R,N76D,A158E,S161E,A194P,N204D,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 908 S9E,N43R,N76D,A158E,A194P,N204D,V2051,Q206L,Y209W,S
212G,S216V,L262E,*275aH,*275bH 915 S9E,N43R,N76D,A158E,G160P,S161E,A194P,V2051,Q206L,Y2 09W,S212G,S216V,L262E,*275aH,*275bH 979 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S216V,L262E,*275aH,*275bH 1297 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206 L,Y209W, L262 E,*275aH ,*275bH 688 S9E,N43R,N76D,A158E,G160P,S161E,A194P,N204D,V2051,Q
206L,Y209W,S212G,L262E,*275aH,*275bH 1207 S9E,N43R,N76D,A158E,A194P,V2051,Q206L,Y209W,S259D,N
261W,L262E 774 S9E,N43R,N76D,A158E,G160P,V2051,Q206L,Y209W,S259D,N
261W,L262E 667 S9E,N43R,N76D,A158E,G160P,S161E,V2051,Q206L,Y209W,S
259D,N261W,L262E 801 Mutations T1/2 IF ATm Ratio (R) S9E,N43R,N76D,A158E,S161E,V2051,Q206L,Y209W,S259D,N
261W,L262E 588 S9E,N43R,N76D,G160P,V2051,Q206L,Y209W,S259D,N261W,L

S9E,N43R,N76D,G160P,S161E,V2051,Q206L,Y209W,S259D,N
261W,L262E 934 S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S259D,N261W,L

S9E,N43R,N76D,S161E,V2051,Q206L,Y209W,S259D,N261W,L

S9E,N43R,N76D,V2051,Q206L,Y209W,S212G,S259D,N261W,L

S9E,N43R,N76D,N204D,V2051,Q206L,Y209W,S212G,S216V,S
259D,N261W,L262E 1131 S9E,N43R,N76D,V2051,Q206L,Y209W,S216V,S259D,N261W,L

Subsequent analysis of the data shown in Table 19 revealed a set of substitutions spanning positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID NO: 2 as a consensus stability motif. Accordingly, a following set of substitutions (i.e., a consensus stability motif) that greatly improved stability of the variants compared to SEQ ID NO: 1 (e.g., T% IF>100) was identified in the analysed variants: X194 [P, A] + X195 [E, G]
+ X204 [D, N] +
X205 [I, V] + X206 [L, Q] + X209 [W, Y] + X212 [G, S] + X216 [V, S] + X256 [D, S] + X259 [D, S]
+ X260 [A, E, T] + X261 [W, N] + X262 [E]. The analysed variants had at least 65%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 1, each variant comprised two or more of the following substitutions: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W], and additionally: the half-life improvement factor was >100, or the delta melting temperature (ATm) was greater than 5 C, or the ratio (R) of transformed half-life improvement factor over delta melting temperature was greater than -3 (R > -3).
The SEQ ID NO: 12-60 were identified as individual motifs at positions corresponding to positions 194-216 of the polypeptide of SEQ ID NO: 2, whereas SEQ ID NO: 60-109 were identified as individual motifs at positions corresponding to positions 256-262 of the polypeptide of SEQ ID NO: 2. Table 20 shows combination of sequences (i.e., motifs) at positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID
NO: 2, which were identified in the analysed variant data sets.
Table 20. Identified combinations of sequences (motifs) at positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID NO: 2:
Combinations of sequences (motifs) SEQ ID NO: 12 and SEQ ID NO: 61 SEQ ID NO: 13 and SEQ ID NO: 62 SEQ ID NO: 14 and SEQ ID NO: 63 SEQ ID NO: 15 and SEQ ID NO: 64 SEQ ID NO: 16 and SEQ ID NO: 65 SEQ ID NO: 17 and SEQ ID NO: 66 SEQ ID NO: 18 and SEQ ID NO: 67 SEQ ID NO: 19 and SEQ ID NO: 68 SEQ ID NO: 20 and SEQ ID NO: 69 SEQ ID NO: 21 and SEQ ID NO: 70 SEQ ID NO: 22 and SEQ ID NO: 71 SEQ ID NO: 23 and SEQ ID NO: 72 SEQ ID NO: 24 and SEQ ID NO: 73 SEQ ID NO: 25 and SEQ ID NO: 74 SEQ ID NO: 26 and SEQ ID NO: 75 SEQ ID NO: 27 and SEQ ID NO: 76 SEQ ID NO: 28 and SEQ ID NO: 77 SEQ ID NO: 29 and SEQ ID NO: 78 SEQ ID NO: 30 and SEQ ID NO: 79 SEQ ID NO: 31 and SEQ ID NO: 80 SEQ ID NO: 32 and SEQ ID NO: 81 SEQ ID NO: 33 and SEQ ID NO: 82 SEQ ID NO: 34 and SEQ ID NO: 83 SEQ ID NO: 35 and SEQ ID NO: 84 SEQ ID NO: 36 and SEQ ID NO: 85 SEQ ID NO: 37 and SEQ ID NO: 86 SEQ ID NO: 38 and SEQ ID NO: 87 SEQ ID NO: 39 and SEQ ID NO: 88 SEQ ID NO: 40 and SEQ ID NO: 89 SEQ ID NO: 41 and SEQ ID NO: 90 SEQ ID NO: 42 and SEQ ID NO: 91 SEQ ID NO: 43 and SEQ ID NO: 92 SEQ ID NO: 44 and SEQ ID NO: 93 SEQ ID NO: 45 and SEQ ID NO: 94 SEQ ID NO: 46 and SEQ ID NO: 95 SEQ ID NO: 47 and SEQ ID NO: 96 SEQ ID NO: 48 and SEQ ID NO: 97 SEQ ID NO: 49 and SEQ ID NO: 98 SEQ ID NO: 50 and SEQ ID NO: 99 SEQ ID NO: 51 and SEQ ID NO: 100 SEQ ID NO: 52 and SEQ ID NO: 101 SEQ ID NO: 53 and SEQ ID NO: 102 SEQ ID NO: 54 and SEQ ID NO: 103 SEQ ID NO: 55 and SEQ ID NO: 104 SEQ ID NO: 56 and SEQ ID NO: 105 SEQ ID NO: 57 and SEQ ID NO: 106 SEQ ID NO: 58 and SEQ ID NO: 107 SEQ ID NO: 59 and SEQ ID NO: 108 SEQ ID NO: 60 and SEQ ID NO: 109

Claims (16)

1. A subtilase variant comprising a set of two or more substitutions selected from: X194 [P, A], X195 [E, G], X204 [D, N], X205 [I, V], X206 [L, Q], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [D, S], X259 [D, S], X260 [A, E, T], X261 [W, N] and X262 [E], wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID NO: 2;
(b) the variant has protease activity; and (c) the variant has at least 65%, e.g., at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, but less than 100% sequence identity to the polypeptide selected from the group consisting of:
(i) SEQ ID NO: 1, wherein said subtilase variant comprises two or more of the substitutions: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W]; and (ii) SEQ ID NO: 2, wherein said subtilase variant comprises two or more of the substitutions: X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W];
wherein said variant further has one or more of the features selected from the group consisting of:
(d) the variant has a half-life improvement factor of >100;
(e) the variant has a melting temperature (Tm) greater than 70°C;
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I:
R= - .DELTA..DELTA.Gunfold / .DELTA.Tm, wherein said .DELTA.Tm = Tm(variant) -Tm(parent polypeptide), wherein said .DELTA..DELTA.Gunfold = - 2685 × In(half-life improvement factor);
preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
2. The variant of claim 1, wherein the variant has at least 70% sequence identity, e.g., at least 80%, at least 85%, at least 90% or at least 95%, but less than 100%
sequence identity to a polypeptide selected from the group consisting of:
(i) SEQ ID NO: 1, wherein the variant comprises the substitution X262 [E]
and two or more of the substitutions: X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W]; and (ii) SEQ ID NO: 2, wherein the variant comprises the substitution X262 [E]
and two or more of the substitutions: X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S, D], X260 [T, A, E], X261 [N, W].
3. The variant of claim 1 or 2, wherein said set comprises the substitutions: X194 [P, A] +
X204 [D, N] + X205 [I] + X206 [L] + X209 [W] + X212 [G, S] + X216 [V, S] +
X259 [S, D] + X261 [N, W] + X262 [E].
4. The variant of any of claims 1-3, wherein said set comprises the substitutions: X194 [P]
+ X204 [D] + X205 [I] + X206 [L] + X209 [W] + X212 [G] + X216 [V] + X259 [D] +
X261 [W] +
X262 [E].
5. The variant of any of claims 1-4, wherein said variant at positions corresponding to positions 194-216 of the polypeptide of SEQ ID NO: 2 comprises a sequence selected from the group consisting of:
SEQ ID NO: 12 SEQ ID NO: 13 SEQ ID NO: 14 SEQ ID NO: 15 SEQ ID NO: 16 SEQ ID NO: 17 SEQ ID NO: 18 SEQ ID NO: 19 SEQ ID NO: 20 SEQ ID NO: 21 SEQ ID NO: 22 SEQ ID NO: 23 SEQ ID NO: 24 SEQ ID NO: 25 SEQ ID NO: 26 SEQ ID NO: 27 SEQ ID NO: 28 SEQ ID NO: 29 SEQ ID NO: 30 SEQ ID NO: 31 SEQ ID NO: 32 SEQ ID NO: 33 SEQ ID NO: 34
6.
The variant of any of claims 1-5, wherein said variant at positions corresponding to positions 256-262 of the polypeptide of SEQ ID NO: 2 comprises a sequence selected from the group consisting of:
7.
The variant of any of claims 1-6, wherein said variant at positions corresponding to positions 194-216 and 256-262 of the polypeptide of SEQ ID NO: 2 comprises a combination of sequences selected from the group consisting of:
8. The variant of any of claims 1-7, further comprising one or more alterations at positions selected from the group consisting of positions: 3, 9, 20, 22, 24, 43, 48, 61, 72, 76, 78, 91, 99, 115, 117, 120, 120, 129, 131, 137, 141, 145, 158, 160, 160, 161, 163, 182, 185, 188, 191, 217, 238, 255, 275, 275 and 275, wherein each position corresponds to the position of the polypeptide of SEQ ID NO: 2.
9. The variant of any of claims 1-8, further comprising one or more alterations selected from the group consisting of: S3V, S9E, S9R, G2OH, T22H, S24H, N43R, A48H, G61E, I72A, N76D, S78H, Y91H, *99aE, G115W, N117H, H120V, H120D, P129D, P131*, Q137H, S141H, R145H, A158E, G160P, G160D, S161E, S163G, Q182E, N185E, S188E, Q191N, L217M, N238H, T255E, *275aH, *275bH and *275aR, wherein each position corresponds to the position of the polypeptide of SEQ ID NO: 2.
10. The variant of any of claims 1-9, wherein the total number of alterations compared to SEQ ID NO: 1 is at least 5, such as between 5 and 26, such as between 5 and 20, such as between 5 and 15, such as between 5 and 10 alterations.
11. A subtilase variant comprising the substitutions X262E + X209W + X205I, wherein (a) the positions correspond to the positions of the polypeptide of SEQ ID
NO: 2;
(b) the variant has protease activity;
(c) the variant has at least 65%, but less than 100% sequence identity to the polypeptide selected from the group consisting of: SEQ ID NO: 1 and 2;
(d) the variant has a melting temperature of at least 5°C greater than the melting temperature of a parent polypeptide; and (e) the variant has a half-life improvement factor of >100.
12. The variant of claim 11, wherein:
(f) the variant has a ratio (R) of transformed half-life improvement factor over delta melting temperature greater than -3, wherein said ratio is calculated according to the formula I:
R= - .DELTA..DELTA.Gunfold / .DELTA.Tm, wherein said .DELTA.Tm = Tm(variant) -Tm(parent polypeptide), wherein said .DELTA..DELTA.Gunfold = - 2685 x In(half-life improvement factor; preferably said ratio R is greater than 0, further preferably said ratio R is greater than 0.5, more preferably said ratio R is greater than 1.0 and most preferably said ratio R is greater than 1.5.
13. A composition comprising the variant of any of claims 1-12.
14. The composition of claim 13, further comprising:
i) one or more detergent components; and/or ii) one or more additional enzymes.
15. Use of the variant of any of claims 1-12 or the composition of claim 13 or 14 in a cleaning process, such as laundry or hard surface cleaning such as dish wash.
16. A method for producing a subtilase variant of any of claims 1-10, comprising:
(a) introducing into a parent subtilase the substitution X262 [E] and two or more further substitutions selected from the group consisting of:
(i) X194 [P], X195 [E], X204 [D], X205 [I], X206 [L], X209 [W], X212 [G], X216 [V], X256 [D], X259 [D], X260 [A, E], X261 [W], wherein the parent subtilase has at least 65% sequence identity to SEQ ID NO:1, or (ii) X194 [A], X195 [G], X204 [D, N], X205 [V], X206 [L], X209 [W, Y], X212 [G, S], X216 [V, S], X256 [S, D], X259 [S], X260 [T, A, E], X261 [N, W], wherein the parent subtilase has at least 65% sequence identity to SEQ ID NO:2; and (b) recovering the variant.
CA3024276A 2016-06-03 2017-06-02 Subtilase variants and polynucleotides encoding same Pending CA3024276A1 (en)

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