EP4626907A1 - Verbesserte waschleistung durch den einsatz einer protease fusioniert mit speziellem adhäsionsvermittlerpeptid - Google Patents
Verbesserte waschleistung durch den einsatz einer protease fusioniert mit speziellem adhäsionsvermittlerpeptidInfo
- Publication number
- EP4626907A1 EP4626907A1 EP23805576.8A EP23805576A EP4626907A1 EP 4626907 A1 EP4626907 A1 EP 4626907A1 EP 23805576 A EP23805576 A EP 23805576A EP 4626907 A1 EP4626907 A1 EP 4626907A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- amino acid
- protease
- peptide
- seq
- sequence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/52—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea
- C12N9/54—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea bacteria being Bacillus
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/08—Linear peptides containing only normal peptide links having 12 to 20 amino acids
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/386—Preparations containing enzymes, e.g. protease or amylase
- C11D3/38681—Chemically modified or immobilised enzymes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/96—Stabilising an enzyme by forming an adduct or a composition; Forming enzyme conjugates
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
- C12Y304/21—Serine endopeptidases (3.4.21)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
- C12Y304/21—Serine endopeptidases (3.4.21)
- C12Y304/21062—Subtilisin (3.4.21.62)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
Definitions
- the invention is in the field of enzyme technology.
- the invention relates to proteases which are covalently linked to a heterologous peptide sequence, which gives the proteases better cleaning performance.
- the invention also relates to the uses of these protease conjugates and methods in which they are used, as well as agents containing them, in particular washing and cleaning agents.
- proteases are among the most technically important enzymes of all. They are the longest established enzymes for detergents and cleaning agents and are contained in practically all modern, high-performance detergents and cleaning agents. They break down protein-containing soiling on the items being cleaned.
- proteases of the subtilisin type (subtilases, subtilopeptidases, EC 3.4.21.62) are particularly important; they are serine proteases due to the catalytically active amino acids. They act as nonspecific endopeptidases and hydrolyze any acid amide bonds that are located inside peptides or proteins. Their pH optimum is usually in the clearly alkaline range. An overview of this family is provided, for example, in the article "Subtilases: Subtilisin-like proteases” by R.
- subtilisin enzymes edited by R. Bott and C. Betzel, New York, 1996.
- Subtilases are naturally produced by microorganisms. Among these, the subtilisins produced and secreted by Bacillus species are particularly worthy of mention as the most important group within the subtilases.
- subtilisin-type proteases preferably used in detergents and cleaning agents are the subtilisins BPN' from Bacillus amyloliquefaciens and Carlsberg from Bacillus lichen formis, the protease PB92, the subtilisins 147 and 309, the protease from Bacillus lentus, in particular from Bacillus lentus DSM 5483, subtilisin DY and the enzymes thermitase, proteinase K and the proteases TW3 and TW7, which are classified as subtilases but no longer as subtilisins in the narrower sense, as well as variants of the proteases mentioned which have an amino acid sequence which is different from that of the original protease.
- Proteases are modified in a targeted or random manner using methods known from the state of the art and are thus optimized for use in detergents and cleaning agents, for example. These include point mutagenesis, deletion or insertion mutagenesis or fusion with other proteins or protein parts. For most of the state-of-the-art proteases, optimized variants are known. Subtilisin Carlsberg is available in a further developed form under the trade name Alcalase® from the company Novozymes. Subtilisins 147 and 309 are sold under the trade names Esperase® and Savinase® by the company Novozymes. The protease variants known as BLAP® are derived from the protease from Bacillus lentus DSM 5483.
- proteases include those known under the trade names Durazym®, Relase®, Everlase®, Nafizym®, Natalase®, Kannase® and Ovozyme®. from the company Novozymes, the enzymes available under the trade names Purafect®, Purafect® OxP, Purafect® Prime, Excellase® and Properase® from the company Danisco/Genencor, the enzymes available under the trade name Protosol® from the company Advanced Biochemicals Ltd., the enzymes available under the trade name Wuxi® from the company Wuxi Snyder Bioproducts Ltd., the enzymes available under the trade names Proleather® and Protease P® from the company Amano Pharmaceuticals Ltd., and the enzymes available under the name Proteinase K-16 from the company Kao Corp.
- proteases from Bacillus gibsonii and Bacillus pumilus which are disclosed in the international patent applications WO 2008/086916 and WO 2007/131656, as well as EP 2016175.
- Other proteases which can be used advantageously are disclosed in the patent applications WO 91/02792, WO 2008/007319, WO 93/18140, WO 01/44452, GB 1243784, WO 96/34946, WO 2002/029024 and WO 2003/057246.
- proteases which can be used are those which are naturally present in the microorganisms Stenotrophomonas maltophilia, in particular Stenotrophomonas maltophilia K279a, Bacillus intermedius and Bacillus sphaericus.
- proteases are suitable for use in liquid surfactant-containing preparations. Many proteases do not show sufficient catalytic performance in such preparations. For the use of proteases in cleaning agents, a high catalytic activity under conditions such as those encountered during a wash cycle and a high storage stability are therefore particularly desirable.
- prior art liquid formulations containing proteases and surfactants have the disadvantage that the proteases they contain do not exhibit satisfactory proteolytic activity under standard washing conditions (e.g. in a temperature range of 20°C to 40°C) or are not storage-stable and the formulations therefore do not exhibit optimal cleaning performance on protease-sensitive soiling.
- proteases can be significantly increased if they are fused with specific adhesion-promoting peptides. This effect was demonstrated here with an exemplary protease, but is also transferable to other proteases.
- the performance of the proteases is increased by fusion with the peptides described here, which act as adhesion promoters, in such a way that the concentration used can be significantly reduced without loss of performance.
- the heterologous peptide is a peptide comprising or consisting of an amino acid sequence of 4 to 50 amino acids, preferably 10 to 24 amino acids, wherein
- amino acid sequence in N- to C-terminal orientation has the following sequence
- Xi is a positively charged amino acid, preferably R or K, more preferably R, X2 and X3 are uncharged amino acids, preferably selected from A, L, S, I, M and Q, more preferably from A, S, I and L, in particular A and L, each X4 independently of one another is any amino acid, preferably with the exception of P, more preferably with the exception of P and G;
- the amino acid sequence is at least 80%, preferably at least 85%, more preferably at least 86%, at least 87%, at least 88%, at least 89%, 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%, at least 99.5% or
- the present invention is directed to a nucleic acid encoding a protease conjugate according to the present invention.
- the present invention also relates to a non-human host cell comprising a nucleic acid according to the present invention or a protease conjugate according to the present invention.
- the present invention is also directed to an agent, in particular a washing or cleaning agent, characterized in that it contains at least one protease conjugate according to the present invention.
- the present invention is directed to methods for cleaning textiles or hard surfaces, characterized in that an agent according to the present invention is used in at least one method step.
- the present invention is also directed to the use of a protease conjugate according to the present invention in a washing or cleaning agent for removing peptide- or protein-containing stains.
- At least one as used herein means 1 or more, e.g. 1, 2, 3, 4, 5, 6, 7, 8, 9 or more. When applied to a component or compound, unless otherwise specified, this term does not refer to the absolute number of molecules, but rather to the number of different types of molecules that fall within the respective definition of the component or compound. "At least one protease” thus means that at least one type of protease is present, but not that at least one protease molecule is present.
- “Substantially free from” means that the composition or agent contains less than 2% by weight, preferably less than 1% by weight, more preferably less than 0.5% by weight and most preferably less than 0.1% by weight of the corresponding substance, based on the total weight of the composition/agent.
- Liquid as used herein includes liquids and gels as well as pasty compositions. It is preferred that the liquid compositions are flowable and pourable at room temperature, but it is also possible that they have a yield point.
- a substance, e.g. a composition or an agent is solid according to the definition of the invention if it is in the solid state at 25°C and 1,013 mbar.
- a substance, e.g. a composition or an agent is liquid according to the definition of the invention if it is in the liquid state at 25°C and 1,013 mbar.
- Liquid also includes gel.
- Heterologous refers to the fact that the peptide sequence which has adhesion-promoting properties does not naturally occur in combination with the protease.
- the conjugates described here are therefore not natural hybrids of a protease and a peptide unrelated to the protease.
- adheresion is understood to mean an interaction between the peptide and a surface, whereby the peptide can adhere to the surface.
- adheresion-promoting refers to the ability to interact with various surfaces, e.g. textile surfaces, and/or to adhere to a specific surface under suitable conditions, i.e. usually non-denaturing conditions, where the binding affinity is greater than that of a reference sequence that does not have adhesion-promoting properties.
- variant refers to variants of an enzyme or a protein/peptide that continue to have the functionality of the parent molecule, but differ from the parent sequence by one or more sequence deviations, e.g. 1, 2 or 3 or more sequence deviations, e.g. a substitution, deletion or insertion.
- sequence identity of such variants may be in the range of 80% based on the total length of the parent peptide, and may be at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 99.5%.
- protease-linker-peptide When reference is made herein to various linked or individual amino acid sequences, these are always shown in N- to C-terminal orientation unless otherwise stated. Furthermore, the individual amino acids or amino acid sequences are linked to one another via peptide bonds unless otherwise stated. Thus, the hyphen in the representation protease-linker-peptide, for example, means that these corresponding three sequences are fused to one another via peptide bonds.
- sequence comparison is based on the BLAST algorithm, which is established in the state of the art and is commonly used (see, for example, Altschul, SF, Gish, W., Miller, W., Myers, EW & Lipman, DJ (1990) "Basic local alignment search tool.” J. Mol. Biol. 215:403- 410, and Altschul, Stephan F., Thomas L. Madden, Alejandro A. Schaffer, Jinghui Zhang, Hheng Zhang, Webb Miller, and David J.
- homologous or identical regions of different nucleic acid or amino acid sequences are therefore defined by similarities in the sequences. Such regions often have identical functions. They can be small and contain only a few nucleotides or amino acids. However, such small regions often perform essential functions for the overall activity of the peptide/protein. It may therefore be useful to relate sequence matches only to individual, possibly small regions. Unless otherwise stated, identity or homology statements in the present application refer to the total length of the respective nucleic acid or amino acid sequence specified.
- the peptide or protein concentration can be determined using known methods, e.g. the BCA method (bicinchoninic acid; 2,2'-biquinolyl-4,4'-dicarboxylic acid) or the biuret method (A. G. Gornall, C. S. Bardawill and M. M. David, J. Biol. Chem., 177 (1948), pp. 751-766).
- BCA method bicinchoninic acid
- 2,2'-biquinolyl-4,4'-dicarboxylic acid or the biuret method
- A. G. Gornall, C. S. Bardawill and M. M. David, J. Biol. Chem., 177 (1948), pp. 751-766 The person skilled in the art in the field of peptide and protein technology knows a variety of suitable methods for determining the peptide or protein concentration, which can be used in the context of this invention.
- the peptides can have amino acid changes, in particular amino acid substitutions, insertions or deletions.
- Such peptides are further developed, for example, by targeted genetic modification, i.e. by mutagenesis processes, and optimized for specific applications or with regard to special properties (e.g. with regard to their stability, binding, etc.).
- targeted mutations such as substitutions, insertions or deletions can be introduced into the known molecules in order to change certain properties, for example.
- the surface charges and/or the isoelectric point of the molecules and thus their interactions with a surface can be changed.
- the net charge of the peptides can be changed in order to improve substrate binding.
- one or more corresponding mutations can increase the stability or adsorption of the peptide.
- Advantageous properties of individual mutations, eg individual substitutions can complement each other.
- a protease conjugate according to the invention consists of
- amino acid sequence in N- to C-terminal orientation has the following sequence
- the amino acid sequence is at least 80%, preferably at least 85%, more preferably at least 86%, at least 87%, at least 88%, at least 89%, 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%, at least 99.5% or
- proteases are the subtilisins BPN' from Bacillus amyloliquefaciens and Carlsberg from Bacillus licheniformis, the protease PB92, the subtilisins 147 and 309, the protease from Bacillus lentus, subtilisin DY and the enzymes thermitase, proteinase K and the proteases TW3 and TW7, which are classified as subtilases but no longer as subtilisins in the narrower sense.
- Subtilisin Carlsberg is available in a further developed form under the trade name Alcalase® from the company Novozymes.
- subtilisins 147 and 309 are sold under the trade names Esperase® and Savinase® respectively by the company Novozymes.
- Protease variants are derived from the protease from Bacillus lentus DSM 5483.
- Other useful proteases include those available under the trade names Durazym®, Relase®, Everlase®, Nafizym®, Natalase®, Kannase®, Progress Uno 101 L® and Ovozyme® from Novozymes, those available under the trade names Purafect®, Purafect® OxP, Purafect® Prime, Excellase®, Properase®, Preferenz P100® and Preferenz P300® from Danisco/DuPont, those available under the trade name Lavergy pro 104 LS® from BASF, those available under the trade name Protosol® from Advanced Biochemicals Ltd., those available under the trade name Wuxi® from Wuxi Snyder Bioproducts Ltd., those available under the trade names Proleather® and
- proteases from Bacillus gibsonii and Bacillus pumilus which are disclosed in WO 2008/086916, WO 2007/131656, WO 2017/215925, WO 2021/175696 and WO 2021/175697, are also particularly preferably used.
- Other proteases which can be used advantageously are disclosed in, for example, WO 91/02792, WO 2008/007319, WO 93/18140, WO 01/44452, GB 1243784 A, WO 96/34946, WO 02/029024 and WO 03/057246.
- Preferred proteases include a) a protease which has proteolytic activity and comprises an amino acid sequence which corresponds to the amino acid sequence given in SEQ ID NO:1 over its entire length by at least 70% and increasingly preferably by at least 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90.5%, 91%, 91.5%, 92%, 92.5%, 93%, 93.5%, 94%, 94.5%, 95.5%, 96%, 96.5%, 97%, 97.5%, 98%, 98.5% or 98.8% identical and, in each case based on the numbering according to SEQ ID NO:2, (i) at the position corresponding to position 101, the amino acid substitution R101 E, and (ii) at at least one of the positions corresponding to positions 3, 4, 45, 55, 58, 59, 61,
- S163G-N261 D, S3T-N76D-Q137H-S141 H-R145H-S156D-Y209W existing group is selected; b) a protease which has proteolytic activity and comprises an amino acid sequence which is at least 70% and increasingly preferably at least 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 90.5%, 91%, 91.5%, 92%, 92.5%, 93%, 93.5%, 94%, 94.5%, 95%, 95.5%, 96%, 96.5%, 97%, 97.5% and 98% identical to the amino acid sequence given in SEQ ID NO:3 over its entire length and, in each case based on the numbering according to SEQ ID NO:2, (i) at the positions corresponding to positions 9, 130, 133, 144, 217,
- the protease is selected from proteases of group b).
- the heterologous peptide linked according to the invention to the protease as described and defined above, which acts as an adhesion promoter for the protease is a peptide comprising or consisting of an amino acid sequence of 4 to 50 amino acids, preferably of at least 8, 9, 10, 11 or 12 amino acids in length. Preferred lengths are up to 40, up to 35, up to 30, or up to 25 or up to 24 amino acids.
- the peptide can have a length of 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 or 24 amino acids, in particular 12 to 18 amino acids.
- a “peptide” in the context of the present invention is understood to mean a polymer composed of amino acids, preferably the 20 proteinogenic L-amino acids, preferably of linear structure, which has up to 100 amino acids which are linked to one another via peptide bonds.
- the peptides of the invention have an amino acid sequence of 4 to 50 amino acids.
- the amino acids are given in the context of this invention in a one-letter code, where e.g. C stands for cysteine, R for arginine, A for alanine and L for leucine.
- C in the above sequence (C) m XiX2X3(X4)nX5(C) o stands for a cysteine residue. It is also clear that unless otherwise stated, the amino acids in an amino acid sequence disclosed herein are linked via peptide bonds and the sequence, unless otherwise stated, is listed in N- to C-terminal orientation.
- N-terminus or “N-terminal” in the context of the present invention typically describes the end of the amino acid chain of the peptide which has a free amino group.
- N- to C-terminal orientation in the context of this invention refers to an amino acid sequence in which the order of the amino acids is described from the N-terminus to the C-terminus.
- Typical acidic or negatively charged amino acids are D and E.
- any amino acid typically means one of the 20 naturally occurring proteinogenic amino acids, i.e., one of glycine (G), alanine (A), valine (V), leucine (L), isoleucine (I), phenylalanine (F), serine (S), threonine (T), proline (P), methionine (M), cysteine (C), histidine (H), lysine (K), arginine (R), glutamine (Q), asparagine (N), aspartic acid (D), glutamic acid (E), tyrosine (Y), and tryptophan (W).
- the amino acids are typically L-amino acids unless otherwise stated.
- the peptide may also consist of D-amino acids, although it may be preferred that D- and L-amino acids do not occur simultaneously within the peptides described herein.
- such an arbitrary amino acid includes all of the aforementioned amino acids with the exception of proline, or in some embodiments also with the exception of proline and glycine. These two amino acids are not preferred in certain embodiments because they have helix-breaking properties and can therefore adversely affect the secondary structure of the peptides.
- the peptide has a total charge of -2 to +12, preferably from 0 to +8, even more preferably from 0 to +4, in particular from 0 to +2.
- the total charge of the peptide is based on the number of positively and negatively charged amino acids in the peptide, in particular arginine (R), lysine (K), histidine (H), aspartic acid (D) and glutamic acid (E) and results from the sum of the negative and positive charges, with one positive and one negative charge canceling each other out.
- a peptide with 2 arginine residues and 1 glutamic acid residue would therefore have a total charge of +1.
- the total charge of the peptide is preferably -2 to +12, more preferably 0 to +8, even more preferably 0 to +4, in particular 0 to +2.
- the peptide is N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N
- the feature that the peptide has a net positive charge at the “N-terminus, which includes the first 3-4 amino acids” means that the N-terminal 3-4 amino acids contain more positively charged amino acids than negatively charged ones. In various In embodiments, this feature is fulfilled, for example, when the N-terminal 3-4 amino acids have 1 or 2 positively charged amino acids, ie H, K or R, preferably K or R, more preferably R, and no negatively charged amino acids such as E or D. If the N-terminus contains a negatively charged amino acid, the number of positively charged amino acids must be at least 2 so that the net charge remains positive.
- the feature that the peptide has a negative or neutral net charge at the "C-terminus, which includes the last 3-6 amino acids" means that the number of charged amino acids must be 0 or the number of negatively charged amino acids, i.e. D and E, must be greater than the number of positively charged ones.
- An example of such a C-terminal sequence would be EAL or the double sequence of this motif.
- the sequence X1X2X3 is RAL, RSI or RLA, preferably RAL or RLA, in particular RAL.
- the N-terminal sequence RAL or RLA not only advantageously has a positive net charge, it also comprises amino acids with a particularly high alpha-helix-forming potential, as explained below.
- the arginine residue can also be replaced by lysine, but the N-terminal arginine residue is particularly preferred.
- the sequence (X4)nX5 comprises at least one sequence XeXyXs, where Xe is a charged or uncharged amino acid, preferably R, K, E, L, A or Q, more preferably R, K, E or Q, and X7 and Xe are independently negatively charged or uncharged amino acid with the exception of P and G, preferably A, L, E, R, Q or M, e.g. A, L, E, Q or M, more preferably A, E, Q or L, even more preferably A, E or L, in particular A or L; and/or
- (ii) (X4)n comprises at least one aromatic amino acid, preferably W or F.
- one of the sequences XeXyXs which are close to, i.e. within the 6 C-terminal amino acids, or at the C-terminus, has as Xe a negatively charged amino acid, e.g. E.
- the peptide contains an aromatic amino acid selected from W and F, there is a positively or negatively charged amino acid next to, in particular C-terminally, and in particular there is no further aromatic amino acid next to the aromatic amino acid.
- the aromatic amino acids phenylalanine (F) and tryptophan (W) are preferably used in the peptide sequence according to the invention as helix formers and/or for pi stacking.
- the aromatic amino acid tyrosine (Y) is not used in the peptide sequence in various embodiments because it has helix-breaking properties. In various embodiments, the peptide is therefore free of Y residues.
- pi-stacking refers to the non-covalent interaction between aromatic ring systems.
- (ii) (X4)nX5 comprises at least one sequence XeXyXs, wherein XeXyXs is EAL, LEA or ELA, preferably EAL, and wherein this sequence is preferably not located in the N-terminal amino acids of positions 1-6; and/or
- nX5 comprises at least one sequence XeXyXs, where XeXyXs is EQA, QAL, LQA or QLA, preferably EQA, QAL or QLA, in particular QAL.
- (X4)nX5 comprises at least one sequence XeX Xa, where XeXyXs is QLA or EQA, which sequence is preferably not located in the N-terminal amino acids of positions 1-6 or 1-11.
- (X4)nX5 comprises at least one sequence XeXyXsXg, where XeXyXsXg is AQLA or SEQA, wherein this sequence is preferably not located in the N-terminal amino acids of positions 1-6 or 1-11.
- the peptide comprises the sequence X1X2X3, where X1X2X3 is RAL, and (X4)nX5 comprises at least one of QAL and EAL, preferably both.
- the peptide has the sequence
- (C)mRAL(Xio)qEAL(Xii)rQAL(Xi2) s (C) 0 , where X10 and Xu are independently any amino acid, preferably with the exception of P, more preferably with the exception of P and G; X12 is any uncharged amino acid, preferably Q, A or L, in particular A or L; q and r are 0 or integers from 1-10, preferably 0, 1, 2 or 3; and s is 0 or 1, where q+r+s 0-21, preferably 0-15 or 0-9 or 1-15 or 1 -9 or 1 -6 or 0-6 or 0-3 or 1 -3.
- the peptide additionally comprises at least one further (second) RAL sequence.
- this can follow the first RAL sequence directly C-terminally or be separated from it by 1-3 amino acids, eg 7 by 1 or 3 by three amino acids.
- the peptide contains two RAL sequences and at least one EAL and QAL sequence. Preferred sequences are:
- X10 and Xu are independently any amino acid, preferably with the exception of P, more preferably with the exception of P and G, e.g. W or F or further motifs comprising QAL or EAL;
- X12 is any uncharged amino acid, preferably Q, A or L, in particular A or L;
- q and r are 0 or integers from 1-6, preferably 0, 1, 2, or 3; and
- the peptide contains at least one W or F, preferably exactly one W or F.
- the peptide consists of at least 60%, preferably at least 65%, more preferably at least 70%, in particular at least 75% or at least 80% or at least 85% or at least 90% or at least 95% of amino acids with a high alpha-helix-forming potential, wherein these amino acids are preferably selected from E, A, L, M, Q, K, R, F, I, H, W and D, more preferably E, A, L, M, Q, K, R, F, I and H; even more preferably E, A, L, M, Q, K, R and F.
- the peptide particularly preferably forms a helical secondary structure, in particular an ⁇ -helix structure, preferably with an ⁇ -helix content of at least 80%, preferably at least 85%, more preferably at least 90%, even more preferably at least 95%, in particular higher than 95%.
- the use of the motif AL or LA in the amino acid sequence of the peptide can contribute to the stability of the helical structure because these amino acids have a high ⁇ -helix potential.
- the peptide has an amino acid sequence according to one of SEQ ID NOs: 1-15 and/or 16-17, in particular 1-15, or variants thereof which have at least 80%, preferably at least 81%, at least 82%, at least 83%, at least 84% or at least 85%, more preferably at least 86%, at least 87%, at least 88%, at least 89%, 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%, at least 99.5% sequence identity to the indicated sequence, wherein preferably the RAL motif, and more preferably also the EAL and/or QAL motif, if present, are invariable. If the RAL, EAL and QAL motifs are present in the peptide, they are preferably invariable in all of the aforementioned variants.
- the peptide may have a high proportion of hydrophobic amino acids selected from A, L, F, W, V, M, I and P, in particular A, L, F, W, V, M and I.
- the peptide has an amino acid sequence which has a length of 10 to 24 amino acids, e.g. 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 or 24 amino acids, in particular 12 to 19 amino acids, e.g. 12-18 amino acids.
- the peptide has the amino acid cysteine (C) at the C-terminus. In other embodiments, the peptide has the amino acid cysteine at the N-terminus.
- This amino acid can enable coupling to other molecules, structures or substrates via the free sulfhydryl group. This amino acid therefore serves as a linking site but is typically not involved in the desired adhesive effect.
- the peptide comprises or consists of an amino acid sequence which has at least 80%, preferably at least 85%, more preferably at least 86%, even more preferably at least 87%, even more preferably at least 88%, even more preferably at least 89%, even more preferably at least 90%, even more preferably at least 91%, even more preferably at least 92%, even more preferably at least 93%, even more preferably at least 94%, even more preferably at least 95%, even more preferably at least 96%, even more preferably at least 97%, even more preferably at least 98%, even more preferably at least 99%, even more preferably at least 99.5%, in particular 100% sequence identity with one of the following amino acid sequences: RALQALRALQALEAL (SEQ ID NO:4), RALRALRALEALEAL (SEQ ID NO:5), RALRALRALQALQAL (SEQ ID NO:6, RALRALRALQALEAL (SEQ ID NO:7), RALRALQALEALEAL (SEQ ID NO:8)
- the peptide comprises or consists of an amino acid sequence which comprises at least 80%, preferably at least 85%, more preferably at least 86%, even more preferably at least 87%, even more preferably at least 88%, even more preferably at least 89%, even more preferably at least 90%, even more preferably at least 91%, even more preferably at least 92%, even more preferably at least 93%, even more preferably at least 94%, even more preferably at least 95%, even more preferably at least 96%, even more preferably at least 97%, even more preferably at least 98%, even more preferably at least 99%, even more preferably at least 99.5%, in particular 100% sequence identity with one of the following amino acid sequences: RSIVTFSLRQNAQLA (SEQ ID NO:19), RSIVTFSLRQNSEQA (SEQ ID NO:20), GLHTSATNLYLH (SEQ ID NO: 21), QHSIRLLTIKKP (SEQ ID NO:22), QQSIRIMTI
- the peptide comprises or consists of an amino acid sequence which has at least 80%, preferably at least 85%, more preferably at least 86%, even more preferably at least 87%, even more preferably at least 88%, even more preferably at least 89%, even more preferably at least 90%, even more preferably at least 91%, even more preferably at least 92%, even more preferably at least 93%, even more preferably at least 94%, even more preferably at least 95%, even more preferably at least 96%, even more preferably at least 97%, even more preferably at least 98%, even more preferably at least 99%, even more preferably at least 99.5%, in particular 100% sequence identity with one of the following amino acid sequences: GLHTSATNLYLH (SEQ ID NO:21), QHSIRLLTIKKP (SEQ ID NO:22), QQSIRIMTIKHP (SEQ ID NO:23), WRHPRLRCGNLL (SEQ ID NO:24) or QKSRNRMTRTHP (SEQ ID NO:21),
- the peptide may further comprise or consist of one of the following amino acid sequences, or be a variant thereof: SRARLFVVTYHK (SEQ ID NO:26), HMISTMNAASRR (SEQ ID NO:27), RSIVTFSLRQNR (SEQ ID NO:28), RNTIRIRTIKHP (SEQ ID NO:29) or RHSSTLRYRPLP (SEQ ID NQ:30), wherein a variant has an amino acid sequence which is at least 80%, preferably at least 85%, more preferably at least 86%, even more preferably at least 87%, even more preferably at least 88%, even more preferably at least 89%, even more preferably at least 90%, even more preferably at least 91%, even more preferably at least 92%, even more preferably at least 93%, even more preferably at least 94%, even more preferably at least 95%, even more preferably at least 96%, even more preferably at least 97%, even more preferably at least 98%, even more preferably at least at least at least
- the peptide is N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N
- RALQALRALQALEAL-C (SEQ ID NO:31), RALRALRALEALEAL-C (SEQ ID NO:32), RALRALRALQALQAL-C (SEQ ID NO:33), RALRALRALQALEAL-C (SEQ ID NO:34), RALRALQALEALEAL-C (SEQ ID NO:35), RALFEALQALFRALEAL-C (SEQ ID NO:36), RALRALALEALQALEA-C (SEQ ID NO:37), RALFEALFRALEALR-C (SEQ ID NO:38), RALFEALFRALEAL-C (SEQ ID NO:39), RALEALFRALEAL-C (SEQ ID NQ:40), RALRALFEALEAL-C (SEQ ID NO:41), RALEALFRALQALEAL-C (SEQ ID NO:42), RALEALWRALQALEAL-C (SEQ ID NO:43), RALEALWRALEAL-C (SEQ ID NO:31), RALRALRALEALEAL-C (
- the peptide may further comprise an amino acid sequence according to SEQ ID NOs: 53-57 (SRARLFWTYHK-C (SEQ ID NO:53), HMISTMNAASRR-C (SEQ ID NO:54), RSIVTFSLRQNR-C (SEQ ID NO:55), RNTIRIRTIKHP-C (SEQ ID NO:56), RHSSTLRYRPLP-C (SEQ ID NO:57)) or a variant thereof which comprises at least 80%, preferably at least 81%, 82%, 83%, 84% or 85%, more preferably at least 86%, even more preferably at least 87%, even more preferably at least 88%, even more preferably at least 89%, even more preferably at least 90%, even more preferably at least 91%, even more preferably at least 92%, even more preferably at least 93%, even more preferably at least 94%, even more preferably at least 95%, even more preferably preferably at least 96%, even more preferably at least 97%, even more
- the heterologous peptide sequence which acts as an adhesion promoter for the protease, is directly covalently linked to the protease, i.e. the first and/or last amino acid of the protease is linked to a terminal amino acid of the peptide sequence via a peptide bond.
- the bond can also be made via a linker, in particular a peptide linker.
- Such a bond via a peptide linker is preferred.
- Suitable linkers are known in the art and can be static/rigid or flexible. This property is determined by the secondary structure of the linker, for example, rigid linkers can have an alpha helix as a secondary structure.
- the peptide linker sequence is flexible and has no secondary structure or only short secondary structure elements. Linkers suitable in the context of the present invention are described below.
- such peptide linkers have a length of 1 to 200 amino acids, e.g. 1 to
- Preferred combination of protease, linker and heterologous peptide are, in N- to C-terminal orientation:
- protease linker (II) peptide (i) protease linker (II) peptide
- protease preferably has one of the following amino acid substitution variants, each based on the numbering according to SEQ ID NO:1:
- peptide preferably comprises or consists of one of the following amino acid sequences, or is a variant thereof: RALQALRALQALEAL (SEQ ID NO:4), RALRALRALEALEAL (SEQ ID NO:5), RALRALRALQALQAL (SEQ ID NO:6), RALRALRALQALEAL (SEQ ID NO:7), RALRALQALEALEAL (SEQ ID NO:8), RALFEALQALFRALEAL (SEQ ID NO:4), RALQALRALQALEAL (SEQ ID NO:5), RALRALRALQALQAL (SEQ ID NO:6), RALRALRALQALEAL (SEQ ID NO:7), RALRALQALEALEAL (SEQ ID NO:8), RALFEALQALFRALEAL (SEQ ID NO:4), RALQALRALQALEAL (SEQ ID NO:5), RALRALRALQALQAL (SEQ ID NO:6), RALRALRALQALEAL (SEQ ID NO:7), RALRALQALEALEAL (
- the above-mentioned combinations (a)-(n) are preferred, wherein the protease in each case has the amino acid substitution variant P9T, S89A, N130D, T133A, N144K, S189T, Y217M, S224A, N252T, Q271 E, based on the numbering according to SEQ ID NO:1, and wherein the peptide in each case consists of one of the amino acid sequences SEQ ID NOs: 4-30.
- a further aspect of the present invention is a nucleic acid which encodes a protease conjugate according to the invention, as well as a vector containing such a nucleic acid, in particular a cloning vector or an expression vector.
- RNA molecules can be DNA or RNA molecules. They can be present as a single strand, as a single strand complementary to this single strand, or as a double strand. In the case of DNA molecules in particular, the sequences of both complementary strands must be taken into account in all three possible reading frames. It must also be taken into account that different codons, i.e. base triplets, can code for the same amino acids, so that a specific amino acid sequence can be coded by several different nucleic acids. Due to this degeneracy of the genetic code, all nucleic acid sequences that can code for one of the proteases described above are included in this subject matter of the invention.
- Bottlenecks in protein biosynthesis can occur if the codons on the nucleic acid in the organism are faced with a comparatively small number of loaded tRNA molecules. Although coding for the same amino acid, this leads to a codon being translated less efficiently in the organism than a synonymous codon that codes for the same amino acid. Due to the presence of a higher number of tRNA molecules for the synonymous codon, this can be translated more efficiently in the organism.
- Expression vectors comprise nucleic acid sequences which enable them to replicate in the host cells containing them, preferably microorganisms, particularly preferably bacteria, and to express a nucleic acid contained therein.
- the expression is influenced in particular by the promoter(s) which regulate transcription.
- expression can take place by the natural promoter originally located in front of the nucleic acid to be expressed, but also by a promoter of the host cell provided on the expression vector or by a modified or completely different promoter of another organism or another host cell.
- at least one promoter is provided for the expression of a nucleic acid according to the invention and used for its expression.
- Expression vectors can also be regulated, e.g.
- Preferred host cells according to the invention secrete the (transgenically) expressed protein into the medium surrounding the host cells.
- the proteases can be modified by the cells producing them after they have been produced, e.g. by attaching sugar molecules, formylations, aminations, etc. Such post-translational modifications can functionally influence the protease conjugate.
- host cells whose activity can be regulated by genetic regulatory elements, which are provided on the vector, for example, but can also be present in these cells from the outset. These can be stimulated to express themselves, for example, by controlled addition of chemical compounds that serve as activators, by changing the cultivation conditions, or when a certain cell density is reached. This enables economical production of the proteins according to the invention.
- An example of such a compound is IPTG as described above.
- gram-negative bacteria such as Escherichia coli
- a large number of proteins are secreted into the periplasmic space, i.e. into the compartment between the two membranes that enclose the cells.
- gram-negative bacteria can also be designed in such a way that they not only secrete the expressed proteins into the periplasmic space, but also into the medium surrounding the bacteria.
- Gram-positive bacteria such as Bacilli or Actinomycetes or other representatives of the Actinomycetales, on the other hand, do not have an outer membrane, so secreted proteins are immediately released into the medium surrounding the bacteria, usually the nutrient medium, from which the expressed proteins can be purified. They can be isolated directly from the medium or further processed.
- gram-positive bacteria are related to or identical to most of the organisms of origin for technically important enzymes and usually produce comparable enzymes themselves, so that they have a similar codon usage and their protein synthesis apparatus is naturally oriented accordingly.
- the host cell is characterized in that it is a bacterium, preferably one selected from the group of the genera of Escherichia, Klebsiella, Bacillus, Staphylococcus, Corynebacterium, Arthrobacter, Streptomyces, Stenotrophomonas and Pseudomonas, more preferably one selected from the group of Escherichia coli, Klebsiella planticola, Bacillus licheniformis, Bacillus lentus, Bacillus amyloliquefaciens, Bacillus subtilis, Bacillus alcalophilus, Bacillus globigii, Bacillus gibsonii, Bacillus clausii, Bacillus halodurans, Bacillus pumilus, Staphylococcus carnosus, Corynebacterium glutamicum, Arthrobacter oxidans, Streptomyces lividans, Streptomyces coelicolor and St
- bacterium preferably one
- Host cells according to the invention are preferably used to produce protease conjugates according to the invention.
- a further subject of the invention is therefore a method for producing a protease conjugate comprising a) culturing a host cell according to the invention, and b) isolating the protease conjugate from the culture medium or from the host cell.
- This subject matter of the invention preferably includes fermentation processes. Fermentation processes are known per se from the prior art and represent the actual large-scale production step, usually followed by a suitable purification method of the product produced, e.g. the protease conjugates according to the invention. All fermentation processes that are based on a corresponding process for producing a protease conjugate according to the invention represent embodiments of this subject matter of the invention.
- Fermentation processes that are characterized by the fact that the fermentation is carried out via a feed strategy are particularly suitable.
- the media components that are consumed by the ongoing cultivation are fed in. This can achieve considerable increases in both the cell density and the cell mass or dry mass and/or in particular in the activity of the enzyme of interest.
- the fermentation can also be designed in such a way that undesirable Metabolic products are filtered out or neutralized by adding buffer or appropriate counter ions.
- the protease conjugate produced can be harvested from the fermentation medium. Such a fermentation process is preferred over isolation of the protease conjugate from the host cell, i.e. product preparation from the cell mass (dry mass), but requires the provision of suitable host cells or of one or more suitable secretion markers or mechanisms and/or transport systems so that the host cells secrete the protease conjugate into the fermentation medium. Without secretion, the protease conjugate can alternatively be isolated from the host cell, i.e. purified from the cell mass, e.g. by precipitation with ammonium sulfate or ethanol, or by chromatographic purification.
- the invention further relates to an agent which is characterized in that it contains at least one protease conjugate as described and defined above.
- the agent is preferably a washing or cleaning agent.
- fatty acids or fatty alcohols or their derivatives - unless otherwise stated - represent branched or unbranched carboxylic acids or alcohols or their derivatives with preferably 6 to 22 carbon atoms.
- the oxo alcohols or their derivatives obtainable, for example, by RoELEN's oxo synthesis can also be used accordingly.
- alkaline earth metals are mentioned below as counterions for monovalent anions, this means that the alkaline earth metal is naturally present in only half the amount of the anion - sufficient to balance the charge.
- a washing or cleaning agent is understood to mean all conceivable types of washing or cleaning agent, both concentrates and agents that can be used undiluted, for use on a commercial scale, in the washing machine or for hand washing or cleaning.
- washing agents for textiles, carpets or natural fibers, for which the term washing agent is used.
- This also includes, for example, dishwashing detergents for dishwashers (machine dishwashing detergents) or manual dishwashing detergents or cleaners for hard surfaces such as metal, glass, porcelain, ceramics, tiles, stone, painted surfaces, plastics, wood or leather, for which the term cleaning agent is used, i.e. in addition to manual and machine dishwashing detergents, scouring agents, glass cleaners, toilet air fresheners, etc.
- washing and cleaning agents within the scope of the invention also include washing aids that are added to the actual washing agent during manual or machine textile washing in order to achieve an additional effect.
- washing and cleaning agents within the scope of the invention also include textile pre- and Post-treatment agents, i.e. agents with which the item of laundry is brought into contact before the actual washing, e.g. to dissolve stubborn dirt, and also agents which, in a step following the actual textile washing, give the laundry other desirable properties such as a pleasant feel, crease-freeness or low static charge.
- the latter agents include fabric softeners.
- An agent according to the invention advantageously contains at least one protease conjugate according to the invention in an amount of 2 pg to 20 mg, preferably 5 pg to 17.5 mg, particularly preferably 20 pg to 15 mg and very particularly preferably 50 pg to 10 mg per g of the agent.
- the concentration of the protease conjugate described herein (active enzyme) in the agent is >0 to 1% by weight, preferably 0.0001 or 0.001, even more preferably 0.001 to 0.1% by weight, in each case based on the total weight of the agent.
- An agent according to the invention contains the protease conjugate increasingly preferably in an amount of from 1 x 10 -8 to 5% by weight, from 0.0001 to 1% by weight, from 0.0005 to 0.5% by weight, from 0.001 to 0.1% by weight, in each case based on active protein and based on the total weight of the detergent.
- the embodiments of the present invention include all solid, powdery, liquid, gel-like or pasty dosage forms of agents according to the invention, which may optionally also consist of several phases and may be in compressed or non-compressed form.
- the agent may be in the form of a free-flowing powder, in particular with a bulk density of 300 g/l to 1200 g/l, in particular 500 g/l to 900 g/l or 600 g/l to 850 g/l.
- the solid dosage forms of the agent also include extrudates, granules, tablets or pouches.
- the agent may also be liquid, gel-like or pasty, e.g.
- Liquid agents are generally preferred.
- the agent can also be a one-component system. Such agents consist of one phase. Alternatively, an agent can also consist of several phases. Such an agent is therefore divided into several components.
- the detergents according to the invention when in liquid form, they preferably contain more than 40% by weight, preferably 50 to 90% by weight and particularly preferably 60 to 80% by weight of water based on their total weight.
- the agents according to the invention can contain one or more surfactants, with particular emphasis being placed on anionic surfactants, nonionic surfactants and mixtures thereof, but cationic, zwitterionic and/or amphoteric surfactants can also be included.
- the agents preferably contain 5 to 70% by weight of surfactant, preferably 5 to 60% by weight and more preferably 5 to 50% by weight of surfactant.
- Suitable anionic surfactants are in particular soaps and those which contain sulfate or sulfonate groups with preferably alkali ions as cations.
- Soaps which can be used are preferably the alkali salts of saturated or unsaturated C s fatty acids. Such fatty acids can also be used in a form which is not completely neutralized.
- the useful surfactants of the sulfate type include the salts of the sulfuric acid half esters of C s fatty alcohols and the sulfation products of the nonionic surfactants mentioned with a low degree of ethoxylation.
- the usable surfactants of the sulfonate type include, for example, Cg-14-alkylbenzenesulfonates, alkanesulfonates which are obtained from Cs-alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization, Ci2-18-olefinsulfonates which are formed by reacting corresponding monoolefins with sulfur trioxide, mixtures of alkene and hydroxyalkanesulfonates, disulfonates such as those obtained, for example, from Cs-monoolefins with terminal or internal double bonds by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products, and ⁇ -sulfofatty acid esters (estersulfonates) which are formed by sulfonating fatty acid methyl or ethyl esters, e.g. ⁇ -sulfonated
- Suitable alkylbenzenesulfonates are preferably selected from linear or branched alkylbenzenesulfonates of the formula in which R' and R" are independently H or alkyl and together contain 6 to 19, preferably 7 to 15 and in particular 9 to 13 C atoms.
- a particularly preferred representative is sodium dodecylbenzylsulfonate.
- sulfuric acid monoesters of straight-chain or branched C7-2i-alcohols ethoxylated with 1 to 6 moles of ethylene oxide such as 2-methyl-branched Cg-n-alcohols with an average of 3.5 moles of ethylene oxide (EO) or Ci2-18-fatty alcohols with 1 to 4 EO.
- Suitable alkyl ether sulfates are, for example, compounds of the formula
- R 1 is a linear or branched, substituted or unsubstituted alkyl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical.
- Preferred radicals R 1 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, with the representatives with an even number of C atoms being preferred.
- Particularly preferred radicals R 1 are derived from C s fatty alcohols, e.g.
- AO is an ethylene oxide (EO) or propylene oxide (PO) group, preferably an ethylene oxide group.
- EO ethylene oxide
- PO propylene oxide
- the index n stands for an integer from 1 to 50, preferably from 1 to 20 and in particular from 2 to 10. Most preferably, n stands for the numbers 2, 3, 4, 5, 6, 7 or 8.
- X + stands for a monovalent cation or the nth part of an n-valent cation, preference being given to the alkali metal ions and among these Na + or K + , with Na + being extremely preferred. Further cations X + can be selected from NHT, % Zn 2+ , % Mg 2+ , % Ca 2+ , % Mn 2+ and mixtures thereof.
- the stated degree of ethoxylation represents a statistical mean value which can be a whole or a fractional number for a specific product.
- the stated degrees of alkoxylation represent statistical mean values which can be a whole or a fractional number for a specific product.
- Preferred alkoxylates/ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- detergents also contain soap(s).
- Preferred detergents are therefore characterized by the fact that they contain soap(s).
- Suitable soaps are saturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and behenic acid, and in particular soap mixtures derived from natural fatty acids, e.g. coconut, palm kernel or tallow fatty acids.
- Suitable nonionic surfactants are in particular alkyl glycosides and ethoxylation and/or propoxylation products of alkyl glycosides or linear or branched alcohols each having 8 to about 18 C atoms in the alkyl moiety and 3 to 20, preferably 4 to 10 alkyl ether groups. Furthermore, corresponding ethoxylation and/or propoxylation products of N-alkylamines, vicinal diols, fatty acid esters and fatty acid amides, which correspond to the long-chain alcohol derivatives mentioned with regard to the alkyl moiety, and of alkylphenols having 5 to 12 C atoms in the alkyl radical are usable.
- nonionic surfactants which are used either as the sole nonionic surfactant or in combination with other nonionic surfactants, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated Fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain, in particular fatty acid methyl esters.
- Peroxygen compounds suitable for use in agents according to the invention are, in particular, organic peracids or peracidic salts of organic acids, such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdodecanedioic acid, hydrogen peroxide and hydrogen peroxide-releasing compounds under the washing conditions.
- inorganic salts which include perborate, percarbonate, persilicate and/or persulfate such as caroate, and hydrogen peroxide inclusion compounds such as H202-urea adducts.
- Hydrogen peroxide can also be produced with the aid of an enzymatic system, ie an oxidase and its substrate.
- acylated alkylenediamines in particular tetraacetylethylenediamine (TAED), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), N-acylimides, in particular N-nonanoylsuccinimide (NOSI), acylated phenolsulfonates or carboxylates or the sulfonic or carboxylic acids thereof, in particular nonanoyl or isononanoyloxybenzenesulfonate or laroyloxybenzenesulfonate (NOBS or iso-NOBS or LOBS), 4-(2-decanoyloxyethoxycarbonyloxy)benzenesulfonate (DECOBS) or decanoy
- N-benzoylcaprolactam nitriles from which perimidic acids are formed, in particular aminoacetonitrile derivatives with a quaternized nitrogen atom, and/or oxygen-transferring sulfonimines and/or acylhydrazones.
- the hydrophilically substituted acyl acetals and the acyl lactams are also preferred.
- Combinations of conventional bleach activators can also be used.
- Such bleach activators can be present in the usual amount range, preferably in amounts of 0.5 to 10% by weight, in particular 1 to 8% by weight, based on the total agent, particularly in the presence of the above-mentioned hydrogen peroxide-producing bleaching agents, but are preferably completely absent when percarboxylic acid is used as the sole bleaching agent.
- solid Agents may also contain sulfonimines and/or bleach-enhancing transition metal salts or transition metal complexes as so-called bleach catalysts.
- the detergents according to the invention can contain an organic solvent as a further component.
- organic solvents have a beneficial effect on the enzyme stability and the cleaning performance of these agents.
- Preferred organic solvents come from the group of mono- or polyhydric alcohols, alkanolamines or glycol ethers.
- the solvents are selected from ethanol, n- or i-propanol, butanol, glycol, propanediol, butanediol, glycerin, diglycol, propyl diglycol, butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, dipropylene glycol methyl ether, dipropylene glycol ethyl ether, methoxytriglycol, ethoxytriglycol, butoxytriglycol, 1-butoxyethoxy-2-propanol, 3-methyl-3-methoxybutanol, propylene glycol
- Detergents or cleaning agents according to the invention can contain only one protease in the form of a protease conjugate according to the invention. Alternatively, they can also contain other hydrolytic enzymes or other enzymes in a concentration appropriate for the effectiveness of the agent. A further embodiment of the invention thus represents agents which further comprise one or more other enzymes.
- Further enzymes are advantageously present in the agent in an amount of 1 x 10 -8 to 5 percent by weight based on active protein.
- Each further enzyme is increasingly preferably contained in agents according to the invention in an amount of 1 x 10 -7 to 3 wt. %, from 0.00001 to 1 wt. %, from 0.00005 to 0.5 wt. %, from 0.0001 to 0.1 wt. % and particularly preferably from 0.0001 to 0.05 wt. %, based on active protein.
- the enzymes particularly preferably show synergistic cleaning performance against certain soilings or stains, ie the enzymes contained in the agent composition support each other in their cleaning performance.
- the subtilisins 147 and 309 are sold under the trade names Esperase® and Savinase® respectively by the company Novozymes.
- Protease variants are derived from the protease from Bacillus lentus DSM 5483.
- Other useful proteases are, for example, those sold under the trade names Durazym®, Relase®, Everlase®, Nafizym®, Natalase®, Kannase®, Progress Uno 101 L® and Ovozyme® by the company Novozymes, which are sold under the trade names, Purafect®, Purafect® OxP, Purafect® Prime, Excellase®, Properase®, Preferenz P100® and Preferenz P300® from Danisco/DuPont, the enzymes sold under the trade name Lavergy pro 104 LS® from BASF, the enzymes sold under the trade name Protosol® from Advanced Biochemicals Ltd., the enzymes sold under the trade name Wuxi® from Wuxi Snyder Bioproducts
- proteases from Bacillus gibsonii and Bacillus pumilus which are disclosed in WO 2008/086916, WO 2007/131656, WO 2017/215925, WO 2021/175696 and WO 2021/175697, are also particularly preferably used.
- Other proteases which can be used advantageously are disclosed in, for example, WO 91/02792, WO 2008/007319, WO 93/18140, WO 01/44452, GB 1243784 A, WO 96/34946, WO 02/029024 and WO 03/057246.
- Suitable lipases and cutinases are those of bacterial or fungal origin. Chemically modified or mutated enzymes generated by protein engineering are included. Examples are lipase from Thermomyces, e.g. from T. lanuginosus (formerly called Humicola lanuginosa) as described in EP 0258068 and EP 0305216, cutinase from Humicola, e.g. H. insolens (WO 96/13580), lipase from strains of Pseudomonas (some of them now renamed Burkholderia), e.g. P. alcaligenes or P. pseudoalcaligenes (EP 0218272), P. cepacia (EP 0331376), P.
- Thermomyces e.g. from T. lanuginosus (formerly called Humicola lanuginosa) as described in EP 0258068 and EP 0305216
- cutinase from Humicola e.g.
- cutinases that were originally isolated from Fusarium solani pisi and Humicola insolens can be used. Lipases that are also suitable are available from the Amano company under the names Lipase CE®, Lipase P®, Lipase B® or Lipase CES®, Lipase AKG®, Bacillus sp. Lipase®, Lipase AP®, Lipase M-AP® and Lipase AML®. Lipases and cutinases from the Danisco/DuPont company can be used, for example, whose starting enzymes were originally isolated from Pseudomonas mendocina and Fusarium solanii.
- lipases also referred to as acyltransferases or perhydrolases
- 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 M. smegmatis perhydrolase, in particular the S54V variant used in the commercial product Gentle Power Bleach from Huntsman Textile Effects Pte Ltd (WO 2010/100028).
- Preferred commercial lipase products include LipolaseTM, LipexTM, LipolexTM and LipocleanTM (Novozymes A/S), Lumafast (Genencor / DuPont) and Lipomax (Gist-Brocades).
- oxidoreductases e.g. oxidases, oxygenases, catalases, peroxidases such as halo-, chloro-, bromo-, lignin-, glucose- or manganese peroxidases, dioxygenases or laccases (phenol oxidases, polyphenol oxidases)
- organic compounds, particularly aromatic ones, which interact with the enzymes are also added in order to increase the activity of the oxidoreductases in question (enhancers) or to ensure the flow of electrons in the event of very different redox potentials between the oxidizing enzymes and the soiling (mediators).
- the enzymes to be used can also be formulated together with accompanying substances, for example from fermentation.
- the enzymes are preferably used as enzyme liquid formulation(s).
- the enzymes are usually not provided in the form of pure protein, but rather in the form of stabilized, storable and transportable preparations.
- These include Prefabricated preparations include, for example, solid preparations obtained by granulation, extrusion or lyophilization or, in particular in the case of liquid or gel-like agents, solutions of the enzymes, advantageously as concentrated as possible, with little water and/or mixed with stabilizers or other auxiliary agents.
- water-soluble films such as those used in the packaging of detergents and cleaning agents in unit dosage form.
- Such a film enables the release of the enzymes after contact with water.
- water-soluble refers to a film structure that is preferably completely water-soluble.
- a film consists of (fully or partially hydrolyzed) polyvinyl alcohol (PVA).
- Another subject of the invention is a method for cleaning textiles or hard surfaces, which is characterized in that an agent according to the invention is used in at least one method step.
- the method described above is characterized in that the protease conjugate is used at a temperature of 0°C to 100°C, preferably 20°C to 60°C, more preferably 20°C to 40°C and most preferably at 30°C.
- Conjugates according to the invention consisting of protease, linker and peptide:
- N-terminal peptide N-peptide-flexible linker-protease-C (the linker is printed in bold and italics for visual differentiation)
- variant 1 Compared to the wild-type protease (SEQ ID NO:3), variant 1 has the following mutations:
- Protease activity is determined in a discontinuous assay using casein as a substrate.
- the final concentration of the substrate solution is 12 mg/ml casein (prepared according to Hammarsten; Merck, Darmstadt, #2242) and 30 mM Tris in synthetic tap water.
- Synthetic tap water is a solution of 0.029% (w/v) CaCL ⁇ 2H2O, 0.014% (w/v) MgCL ⁇ 6H2O and 0.021% (w/v) NaHCCh with 15° dH (German hardness).
- the substrate solution is heated to 70°C and its pH is adjusted to 8.5 at 50°C using 0.1 N NaOH.
- the protease solution is prepared by adding 2% (w/v) anhydrous pentasodium tripolyphosphate to synthetic tap water and adjusting to pH 8.5 with hydrochloric acid. To 600 ⁇ l of casein solution is added 200 ⁇ l of enzyme solution. The mixture is incubated at 50°C for 15 minutes. The reaction is terminated by the addition of 600 ⁇ l of 0.44 M trichloroacetic acid (TCA), 0.22 M sodium acetate in 3% (w/v). After a cooling step of 15 minutes on ice, the TCA insoluble protein is removed by centrifugation.
- TCA trichloroacetic acid
- the brighter the fabric the better the cleaning performance.
- An AY variant was determined for each soil and all AY values of the 6 soils per variant were added up once to determine ⁇ AY variant.
- the fusion constructs show a significantly increased washing performance compared to the parent protease, regardless of the peptide or linker.
- the protease activity is particularly improved in combination with the peptides SEQ ID NO. 24 and SEQ ID NO. 28, when these are located at the N-terminus of the protease, regardless of the linkers.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biophysics (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Enzymes And Modification Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022131732.3A DE102022131732A1 (de) | 2022-11-30 | 2022-11-30 | Verbesserte Waschleistung durch den Einsatz einer Protease fusioniert mit speziellem Adhäsionsvermittlerpeptid |
| PCT/EP2023/081557 WO2024115082A1 (de) | 2022-11-30 | 2023-11-13 | Verbesserte waschleistung durch den einsatz einer protease fusioniert mit speziellem adhäsionsvermittlerpeptid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4626907A1 true EP4626907A1 (de) | 2025-10-08 |
Family
ID=88793229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23805576.8A Pending EP4626907A1 (de) | 2022-11-30 | 2023-11-13 | Verbesserte waschleistung durch den einsatz einer protease fusioniert mit speziellem adhäsionsvermittlerpeptid |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20260185018A1 (de) |
| EP (1) | EP4626907A1 (de) |
| DE (1) | DE102022131732A1 (de) |
| WO (1) | WO2024115082A1 (de) |
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| DE102017215628A1 (de) | 2017-09-05 | 2019-03-07 | Henkel Ag & Co. Kgaa | Leistungsverbesserte Proteasevarianten I |
| DE102017215629A1 (de) | 2017-09-05 | 2019-03-07 | Henkel Ag & Co. Kgaa | Leistungsverbesserte Proteasevarianten III |
| EP3502243B1 (de) | 2017-12-21 | 2024-10-09 | AB Enzymes Oy | Varianten von pilzcellulase |
| CN111670250B (zh) | 2017-12-21 | 2024-02-13 | 生化酶股份有限公司 | 真菌纤维素酶的变体 |
| EP3653705A1 (de) | 2018-11-13 | 2020-05-20 | AB Enzymes Oy | Pilzcellulasevarianten mit verbesserter stabilität |
| EP3653706A1 (de) | 2018-11-13 | 2020-05-20 | AB Enzymes Oy | Fusionsprotein |
| DE102020105721A1 (de) | 2020-03-03 | 2021-09-09 | Henkel Ag & Co. Kgaa | Leistungsverbesserte Proteasevarianten VII |
| DE102020105720A1 (de) | 2020-03-03 | 2021-09-09 | Henkel Ag & Co. Kgaa | Stabilitätsverbesserte Proteasevarianten VI |
| DE102020205400A1 (de) | 2020-04-29 | 2021-11-04 | Henkel Ag & Co. Kgaa | Hochalkalisches Textilwaschmittel mit Protease |
| DE102021133434A1 (de) * | 2021-12-16 | 2023-06-22 | Henkel Ag & Co. Kgaa | Textil-bindende peptide |
-
2022
- 2022-11-30 DE DE102022131732.3A patent/DE102022131732A1/de not_active Withdrawn
-
2023
- 2023-11-13 WO PCT/EP2023/081557 patent/WO2024115082A1/de not_active Ceased
- 2023-11-13 US US19/128,006 patent/US20260185018A1/en active Pending
- 2023-11-13 EP EP23805576.8A patent/EP4626907A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022131732A1 (de) | 2024-06-06 |
| WO2024115082A1 (de) | 2024-06-06 |
| US20260185018A1 (en) | 2026-07-02 |
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