KR20120052939A - 화학적으로 조절된 산화환원 상태를 사용한 단백질의 재폴딩 - Google Patents
화학적으로 조절된 산화환원 상태를 사용한 단백질의 재폴딩 Download PDFInfo
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- KR20120052939A KR20120052939A KR1020127001716A KR20127001716A KR20120052939A KR 20120052939 A KR20120052939 A KR 20120052939A KR 1020127001716 A KR1020127001716 A KR 1020127001716A KR 20127001716 A KR20127001716 A KR 20127001716A KR 20120052939 A KR20120052939 A KR 20120052939A
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- South Korea
- Prior art keywords
- protein
- thiol
- refolding
- pair
- buffer
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Images
Classifications
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- C07K1/1136—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides without change of the primary structure by reversible modification of the secondary, tertiary or quarternary structure, e.g. using denaturating or stabilising agents
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- C07K1/107—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides
- C07K1/113—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides without change of the primary structure
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Abstract
Description
도 2는 고정된 티올-쌍 비율 및 티올-쌍 완충액 강도하에 종 분포에 대한 통기 정도(degree of aeration)의 효과를 도시하는 일련의 플롯이다.
도 3은 6g/ℓ에서 수행되고 1ℓ 및 2000ℓ에서 수행된 기재된 방법의 양태를 사용하여 최적화된, 화학적으로 조절된, 비-호기성 재폴딩의 분석학적 오버레이(overlay)이다.
Claims (24)
- (a) 비-포유동물 발현 시스템에서 발현되고 2.0g/ℓ 이상의 농도로 용적중에 존재하는 단백질을, 최종 티올-쌍 비율이 0.001 내지 100의 범위이고 산화환원 완충액 강도가 2mM 이상인 산화환원 성분, 및
(i) 변성제;
(ii) 응집 억제제 및
(iii) 단백질 안정화제
중에서 한 가지 이상을 포함하는 재폴딩 완충액과 접촉시켜 재폴딩 혼합물을 형성하는 단계;
(b) 재폴딩 혼합물을 항온처리하는 단계; 및
(c) 재폴딩 혼합물로부터 단백질을 분리하는 단계를 포함하는,
비-포유동물 발현 시스템에서 발현되고 2.0g/ℓ 이상의 농도로 용적중에 존재하는 단백질을 재폴딩시키는 방법. - 제1항에 있어서, 최종 티올-쌍 비율이 0.05 내지 50, 0.1 내지 50, 0.25 내지 50, 0.5 내지 50, 0.75 내지 40, 1.0 내지 50 또는 1.5 내지 50, 2 내지 50, 5 내지 50, 10 내지 50, 15 내지 50, 20 내지 50, 30 내지 50 또는 40 내지 50으로 구성된 군으로부터 선택되는 것인 방법.
- 제1항에 있어서, 티올-쌍 완충액 강도가 2.25 mM, 2.5 mM, 2.75 mM, 3 mM, 5 mM, 7.5 mM, 10 mM 또는 15 mM 이상으로 구성된 군으로부터 선택되는 것인 방법.
- 제1항에 있어서, 단백질이 비-자연 제한된 가용성 형태로 용적중에 존재하는 것인 방법.
- 제4항에 있어서, 비-자연 제한된 가용성 형태가 봉입체(inclusion body)인 방법.
- 제1항에 있어서, 단백질이 가용성 형태로 용적중에 존재하는 것인 방법.
- 제1항에 있어서, 단백질이 재조합체인 방법.
- 제1항에 있어서, 단백질이 내인성 단백질인 방법.
- 제1항에 있어서, 단백질이 항체인 방법.
- 제1항에 있어서, 단백질이 복합 단백질인 방법.
- 제1항에 있어서, 단백질이 다량체 단백질인 방법.
- 제1항에 있어서, 단백질이 Fc 단백질 접합체인 방법.
- 제1항에 있어서, 비-포유동물 발현 시스템이 세균 발현 시스템 및 효모 발현 시스템 중에서 한 가지인 방법.
- 제1항에 있어서, 변성제가 우레아, 구아니디늄 염, 디메틸 우레아, 메틸우레아 및 에틸우레아로 구성된 군으로부터 선택되는 것인 방법.
- 제1항에 있어서, 단백질 안정화제가 아르기닌, 프롤린, 폴리에틸렌 글리콜, 비이온성 계면활성제, 이온성 계면활성제, 다가 알콜, 글리세롤, 슈크로스, 소르비톨, 글루코스, 트리스, 황산나트륨, 황산칼륨 및 삼투용해물로 구성된 군으로부터 선택되는 것인 방법.
- 제1항에 있어서, 응집 억제제가 아르기닌, 프롤린, 폴리에틸렌 글리콜, 비이온성 계면활성제, 이온성 계면활성제, 다가 알콜, 글리세롤, 슈크로스, 소르비톨, 글루코스, 트리스, 황산나트륨, 황산칼륨 및 삼투용해물로 구성된 군으로부터 선택되는 것인 방법.
- 제1항에 있어서, 티올-쌍이 환원된 글루타티온, 산화된 글루타티온, 시스테인, 시스틴, 시스테아민, 시스타민 및 베타-머캅토에탄올로 구성된 군으로부터 선택되는 한 가지 이상의 성분을 포함하는 것인 방법.
- 제1항에 있어서, 항온처리가 비-호기성 조건하에서 수행되는 것인 방법.
- 제1항에 있어서, 분리가 혼합물을 친화성 분리 매트릭스와 접촉시킴을 포함하는 것인 방법.
- 제19항에 있어서, 친화성 분리 매트릭스가 단백질 A 수지인 방법.
- 제19항에 있어서, 친화성 수지가 혼합 방식 분리 매트릭스인 방법.
- 제1항에 있어서, 분리가 혼합물을 이온 교환 분리 매트릭스와 접촉시킴을 포함하는 것인 방법.
- 제1항에 있어서, 분리가 여과 단계를 추가로 포함하는 것인 방법.
- 제23항에 있어서, 여과 단계가 심층 여과를 포함하는 것인 방법.
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| PCT/US2010/039390 WO2011005488A1 (en) | 2009-06-22 | 2010-06-21 | Refolding proteins using a chemically controlled redox state |
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