EP0871741A1 - Nouveaux vecteurs d'expression destines a la production de proteines exogenes sous formes solubles - Google Patents

Nouveaux vecteurs d'expression destines a la production de proteines exogenes sous formes solubles

Info

Publication number
EP0871741A1
EP0871741A1 EP97943210A EP97943210A EP0871741A1 EP 0871741 A1 EP0871741 A1 EP 0871741A1 EP 97943210 A EP97943210 A EP 97943210A EP 97943210 A EP97943210 A EP 97943210A EP 0871741 A1 EP0871741 A1 EP 0871741A1
Authority
EP
European Patent Office
Prior art keywords
expression vector
protein
gene
lys
coli
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.)
Withdrawn
Application number
EP97943210A
Other languages
German (de)
English (en)
Inventor
Seong Il Choi
Baik Lin Seong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hanil Synthetic Fiber Co Ltd
Original Assignee
Hanil Synthetic Fiber Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hanil Synthetic Fiber Co Ltd filed Critical Hanil Synthetic Fiber Co Ltd
Publication of EP0871741A1 publication Critical patent/EP0871741A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/70Vectors or expression systems specially adapted for E. coli
    • 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
    • C12N9/93Ligases (6)
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/52Cytokines; Lymphokines; Interferons
    • C07K14/53Colony-stimulating factor [CSF]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/81Protease inhibitors
    • C07K14/8107Endopeptidase (E.C. 3.4.21-99) inhibitors
    • C07K14/8146Metalloprotease (E.C. 3.4.24) inhibitors, e.g. tissue inhibitor of metallo proteinase, TIMP
    • 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
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/62DNA sequences coding for fusion proteins
    • C12N15/625DNA sequences coding for fusion proteins containing a sequence coding for a signal sequence
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/20Fusion polypeptide containing a tag with affinity for a non-protein ligand
    • C07K2319/21Fusion polypeptide containing a tag with affinity for a non-protein ligand containing a His-tag
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/35Fusion polypeptide containing a fusion for enhanced stability/folding during expression, e.g. fusions with chaperones or thioredoxin
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/50Fusion polypeptide containing protease site
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/70Fusion polypeptide containing domain for protein-protein interaction
    • C07K2319/74Fusion polypeptide containing domain for protein-protein interaction containing a fusion for binding to a cell surface receptor
    • C07K2319/75Fusion polypeptide containing domain for protein-protein interaction containing a fusion for binding to a cell surface receptor containing a fusion for activation of a cell surface receptor, e.g. thrombopoeitin, NPY and other peptide hormones

Definitions

  • the present invention relates to novel expression vectors which can
  • the present invention relates to the expression
  • E. coli has been exploited as a popular host cell to produce foreign proteins
  • the refolding process for preparing a active protein can be any suitable refolding process.
  • proteins having high molecular weight such as
  • chaperone genes such as groES, groEL, dnaK and the like to obtain
  • translation initiation signal of the fusion partner protein can be
  • Lac Z or Trp E protein have been utilized as a fusion partner
  • transformant should be cultured at low temperature such as 15°C in order to produce
  • Lysyl-tRNA synthetase (hereinafter it refers to "Lys RS") and its gene have been investigated as described below, which is preferable for the
  • lys S gene is expressed constitutively in normal condition
  • Lys U protein is
  • NMR nuclear magnetic resonance
  • Lys S lys S gene
  • Lys U protein and Lys S protein share a high degree of identity in the amino acid sequences, the N-terminal structures of the two
  • N-terminal domain of lysyl-tRNA synthetase has
  • H4 ⁇ -helix
  • Lys S protein has
  • Lys S protein is
  • Lys S protein as a fusion partner makes heterodimer with Lys S protein of E. coli.
  • Lys S protein is not appropriate as a fusion partner protein
  • Lys RS protein has a secondary structure which facilitates protein folding
  • lysyl-tRNA synthetase can be utilized as a fusion partner protein to
  • the object of the present invention is to provide expression vectors
  • aminoacyl-tRNA synthetase gene can be obtained from all kinds of cells.
  • the expression vectors of the present invention are composed of
  • linker peptide sequence linker peptide sequence, tag sequence, protease recognition site, restriction
  • the object of the present invention is to provide the E.
  • the lysyl-tRNA synthetase gene can be selected among lys S gene
  • the present invention provides the expression vector
  • the object of the present invention is to provide the
  • the present invention provides the expression vectors containing
  • the present invention provides the expression vector
  • the expression vectors contain the N-terminal domain gene of lysyl-tRNA
  • the present invention provides the E. coli expression
  • the object of the present invention is to provide a process for
  • the present invention provides the expression vector
  • GMcsf human granulocyte and macrophage
  • colony stimulating factor gene into the expression vector pGE-lysN.
  • GMcsf protein as a fusion protein.
  • E. coli preferably, E. coli
  • HMS 174 strain can be used as a host cell.
  • the present invention provides the expression vector plysN-Gcsf by inserting Gcsf (human granulocyte colony stimulating
  • the present invention provides the expression vector
  • TIMP2 human tissue inhibitor of TIMP2
  • metalloprotease 2 gene into the expression vector.
  • TIMP2 protein is prepared.
  • Fig. 1 depicts the secondary structure of lysyl-tRNA synthetase
  • Stick is helix structure and arrow is ⁇ -sheet structure.
  • Fig. 2 depicts a strategy for constructing the expression vector
  • Fig. 3 depicts the expression of Lys S protein by performing SDS-
  • lane 1 standard protein marker
  • lane 2 total proteins of E. coli induced for the protein expression ;
  • Fig. 4 depicts a strategy for constructing the expression vector
  • Fig. 5 depicts a strategy for constructing the E. coli expression
  • vector pLysN-GMcsf which expresses GMcsf protein by using the
  • Fig. 6 depicts the expression of GMcsf protein by performing
  • Fig. 7 depicts the expression of GMcsf protein for comparison by
  • Fig. 8 depicts a strategy for constructing the E. coli expression
  • vector pLysN-Gcsf which expresses Gcsf protein by using the expression
  • Fig. 9 depicts the expression of Gcsf protein by performing SDS-
  • Fig. 11 depicts the expression of TIMP2 protein by performing SDS-
  • lane 3 total proteins of is. co///pGE-lysN transformant induced for
  • the present invention provides expression vectors which produce
  • aminoacyl-tRNA synthetase characteristics of aminoacyl-tRNA synthetase. All kinds of aminoacyl-tRNA synthetase.
  • tRNA synthetase genes can be used to prepare expression vectors of the
  • the present invention provides expression vectors which use lysyl-
  • Lys RS protein gene can be selected among lys S gene and lys
  • Lys RS protein gene can be obtained by performing polymerase
  • PCR chain reaction
  • plasmid vector such as pGEMEX M -l (Promega) so as to
  • E. coli strains proper for the expression have been transformed with
  • Lys RS protein was expressed well, to 80% of total soluble proteins of the host cell.
  • E. coli transformants are cultured at
  • the present invention provides expression vectors which uses the
  • N- terminal domain of Lys RS protein as a fusion partner protein N- terminal domain of Lys RS protein as a fusion partner protein.
  • expression vector of the present invention contains linker peptide sequence
  • vectors can be produced as forms of soluble proteins in the host cells and
  • N-terminal domain gene of Lys RS protein can be
  • the E. coli HMS 174 strain was transformed by the expresseion
  • the expression vector constructed by the above process has the
  • T7 promoter which regulates transcription of the fusion protein.
  • coli strans such as tac promoter, ⁇ pL promoter and the like, is available for
  • Lys RS protein constructed in order to exploit the N-terminal domain of Lys RS protein as a
  • enteropeptidase from digesting fusion protein and affect protein folding.
  • helix 1 structure can be removed from the expression
  • the present invention provides the expression vector removed at the
  • the expression vector of the present invention contains
  • the expression vector also contains the N-
  • invention contains OB fold gene which is involved in folding process of Lys
  • the expression vector contains the N-terminal
  • Lys RS protein which is deleted at the amino acid residues 1 to
  • the expression vector of the present invention can also contain OB
  • Staphylococcal nuclease can be utilized for the construction of the
  • the expression vector of the present invention contains linker
  • This linker peptide is very useful since it is protruded on the
  • the expression vector can also contain
  • the expression vector of the present invention also contains
  • histidine tag of 6 histidine residues after the above linker peptide This
  • histidine tag enables the fusion proteins expressed with the expression
  • histidine tagged fusion protein can be purified easily. Practically, histidine tagged fusion protein can be purified easily. Practically, histidine tagged fusion protein can be purified easily. Practically, histidine tagged fusion protein can be used.
  • Fusion proteins can be inserted into the expression vector. Fusion proteins
  • the expression vector of the present invention contains protease recognition site in order to separate only foreign protein from fusion protein
  • invention contains enteropeptidase recognition site (DDDDK sequence)
  • enteropeptidase digests the C-terminus of the above enteropeptidase
  • thrombin recognition site LVPRGS sequence
  • Xa factor thrombin recognition site
  • the expression vector of the present invention contains restriction
  • lysN of the present invention contains restriction enzyme recognition sites
  • the present invention provides the expression vectors
  • GMcsf human granulocyte colony stimulating factor
  • Gcsf human granulocyte colony stimulating factor
  • TMP 2 human tissue inhibitor of metalloprotease
  • the present invention constructs the expression vector which
  • GMcsf gene was obtained by performing polymerase chain reaction
  • GMcsf protein fused with thioredoxin according to their expression.
  • the present invention constructs the expression vector which produces Gcsf protein as a soluble form.
  • Gcsf gene was
  • the present invention constructs the expression vector
  • TIMP 2 protein as a soluble protein.
  • TIMP 2 TIMP 2
  • the E. coli strains proper for the expression have been transformed
  • Lys N protien namely, Lys
  • fusion protein was expressed as an inclusion
  • Lys N protein of the present invention is
  • PCR polymerase chain reaction
  • PBS phosphate buffered saline
  • each sample was mixed with 7 ⁇ l of 5 X SDS loading buffer, and boiled for
  • the present invention expresses Lys S protein highly at the ratio of 80% of
  • Example 1 as a template (see Sequence Listing).
  • the expression vector containing the N-terminal domain gene of Lys S protein was constructed and named as the expression vector
  • PCR was performed by utilizing
  • primer 4 of SEQ ID. NO: 4 primer 5 of SEQ ID. NO: 5 and the expression
  • present invention was also digested with Kpnl and Hindlll. And the above
  • E. coli was transformed with the expression vector
  • fusion protein was constructed by subcloning GMcsf gene into Kpnl and
  • present invention was cultured at 37°C, fusion proteins were expressed as
  • thioredoxin was less effective than Lys N protein as a
  • LysN-Gcsf fusion protein In order to express human Gcsf (granulocyte colony stimulating
  • Example 1 were ligated after elution by performing the same method of Example 1.
  • fusion protein was expressed by fransfoiming E. coli
  • Lys-Gcsf fusion protein was expressed as a
  • metalloprotease 2 as a soluble protein, which has been expressed as an
  • TIMP2 gene was inserted into the expression
  • vector pGE-lysN of the present invention vector pGE-lysN of the present invention.
  • fusion protein was expressed by transforming E. coli
  • Lys N-TIMP2 fusion protein was expressed as a
  • the expression vectors of the present invention expresses lysyl-
  • the expression vector of the present invention expresses
  • Lys RS protein highly at the ratio of 80% of total soluble proteins
  • Lys N protein is more effective than thioredoxin
  • the expression vectors of the present invention can be any expression vectors of the present invention.
  • the expression vectors of the present invention can be any expression vectors of the present invention.
  • present invention is useful to produce foreign proteins which are difficult or
  • the expression vector of the present invention 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-aminoe

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  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biomedical Technology (AREA)
  • Wood Science & Technology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Medicinal Chemistry (AREA)
  • Microbiology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Physics & Mathematics (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

Cette invention concerne de nouveaux vecteurs d'expression qui permettent de produire des protéines exogènes sous des formes solubles en utilisant une synthétase lysyl-ARNt. Cette invention concerne également un procédé de préparation de protéines exogènes faisant appel à ces vecteurs d'expression. Cette invention concerne plus particulièrement des vecteurs d'expression qui permettent d'obtenir des protéines exogènes sous des formes fusionnées et solubles, lequel procédé consiste à utiliser la structure et le diagramme d'expression de synthétase lysyl-ARNt. Cette invention concerne enfin des procédés qui permettent de préparer efficacement des protéines exogènes dans des E. coli, et qui peuvent être utilisés dans l'industrie afin de produire de grandes quantités de protéines actives.
EP97943210A 1996-10-04 1997-10-04 Nouveaux vecteurs d'expression destines a la production de proteines exogenes sous formes solubles Withdrawn EP0871741A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019960044010A KR100203919B1 (ko) 1996-10-04 1996-10-04 수용성 단백질을 생산하는 새로운 발현 플라스미드
KR4401096 1996-10-04
PCT/KR1997/000186 WO1998014591A1 (fr) 1996-10-04 1997-10-04 Nouveaux vecteurs d'expression destines a la production de proteines exogenes sous formes solubles

Publications (1)

Publication Number Publication Date
EP0871741A1 true EP0871741A1 (fr) 1998-10-21

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EP97943210A Withdrawn EP0871741A1 (fr) 1996-10-04 1997-10-04 Nouveaux vecteurs d'expression destines a la production de proteines exogenes sous formes solubles

Country Status (4)

Country Link
EP (1) EP0871741A1 (fr)
KR (1) KR100203919B1 (fr)
AU (1) AU725755B2 (fr)
WO (1) WO1998014591A1 (fr)

Families Citing this family (38)

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CN1307106A (zh) * 2000-01-26 2001-08-08 上海博道基因技术有限公司 一种新的多肽——人II类氨酰基-tRNA合成酶75和编码这种多肽的多核苷酸
WO2002010396A1 (fr) * 2000-07-28 2002-02-07 Mogam Biotechnology Research Institute Systeme d'expression genetique pour production en masse d'arn polymerase dependante de l'arn du virus de l'hepatite c, et dosage enzymatique utilisant la proteine de fusion exprimee a partir de ce systeme
KR20020010241A (ko) * 2000-07-28 2002-02-04 허영섭 C형 간염 바이러스 rna-의존성 rna 중합효소의대량 발현 기구 및 이로부터 발현된 융합단백질을 이용한효소활성 분석방법
KR100890579B1 (ko) * 2002-08-19 2009-04-27 프로테온 주식회사 Rna 결합 단백질의 유전자를 융합파트너로 이용한재조합 단백질의 제조방법
KR100484653B1 (ko) 2004-05-06 2005-04-20 주식회사 대웅 원핵세포에서 활성형의 가용성 단백질을 제조하는 방법 및 이를 위한 폴리시스트론 벡터
KR101023518B1 (ko) * 2008-12-29 2011-03-21 고려대학교 산학협력단 아스파라긴산 카르바모일트렌스퍼레이즈 촉매 사슬을 융합발현파트너로 이용한 가용성 재조합 단백질의 제조방법
US8980253B2 (en) 2010-04-26 2015-03-17 Atyr Pharma, Inc. Innovative discovery of therapeutic, diagnostic, and antibody compositions related to protein fragments of cysteinyl-tRNA synthetase
CN103096911B (zh) 2010-04-27 2018-05-29 Atyr 医药公司 与异亮氨酰-tRNA合成酶的蛋白片段相关的治疗、诊断和抗体组合物的创新发现
US8986681B2 (en) 2010-04-27 2015-03-24 Atyr Pharma, Inc. Innovative discovery of therapeutic, diagnostic, and antibody compositions related to protein fragments of threonyl-tRNA synthetases
AU2011248489B2 (en) 2010-04-28 2016-10-06 Pangu Biopharma Limited Innovative discovery of therapeutic, diagnostic, and antibody compositions related to protein fragments of alanyl tRNA synthetases
EP2563383B1 (fr) 2010-04-29 2017-03-01 Atyr Pharma, Inc. Découverte innovatrice de compositions thérapeutiques, diagnostiques, et d'anticorps associées aux fragments protéiques des valyle arnt synthétases
WO2011150279A2 (fr) 2010-05-27 2011-12-01 Atyr Pharma, Inc. Découverte innovante de compositions thérapeutiques, de diagnostic et d'anticorps liées à fragments protéiques de glutaminyl-arnt synthétases
CN103097523B (zh) 2010-04-29 2016-09-28 Atyr医药公司 与天冬酰胺酰-tRNA合成酶的蛋白片段相关的治疗、诊断和抗体组合物的创新发现
EP2566496B1 (fr) 2010-05-03 2018-02-28 aTyr Pharma, Inc. Découverte innovante de compositions thérapeutiques, diagnostiques et à base d'anticorps liées des fragments protéiques de méthionyl-arnt-synthétases
CN103108655B (zh) 2010-05-03 2017-04-05 Atyr 医药公司 与丝氨酰‑tRNA合成酶的蛋白片段相关的治疗、诊断和抗体组合物的创新发现
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CA2797277C (fr) 2010-05-03 2021-02-23 Atyr Pharma, Inc. Decouverte innovante de compositions therapeutiques, de diagnostic et d'anticorps liees a des fragments proteiques d'arginyle-arnt synthetases
CA2798301C (fr) 2010-05-04 2020-09-15 Atyr Pharma, Inc. Decouverte innovante de compositions therapeutiques, diagnostiques et a base d'anticorps liees a des fragments proteiques de glutamyl-prolyl-arnt-synthetases
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