KR20080098013A - 발현 시스템 - Google Patents
발현 시스템 Download PDFInfo
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- KR20080098013A KR20080098013A KR1020087018552A KR20087018552A KR20080098013A KR 20080098013 A KR20080098013 A KR 20080098013A KR 1020087018552 A KR1020087018552 A KR 1020087018552A KR 20087018552 A KR20087018552 A KR 20087018552A KR 20080098013 A KR20080098013 A KR 20080098013A
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Abstract
Description
| 플라스미드 | 프로모터 | 작동자 시스템 | 비고 |
| pAVE041 | tac | 하나의 원형의 lac 서열 | |
| pAVE017 | tac | 두 개의 완전한 팔린드롬 서열(DPPS) | 작동자 간격 91 bp(DPPS91) |
| pAVE040 | tac | 하나의 완전한 팔린드롬 서열(SPPS) | |
| pAVE049 | tac | 두 개의 완전한 팔린드롬 서열 | 작동자 간격 124 bp(DPPS124) |
| pAVE013 | T7A3 | 두 개의 완전한 팔린드롬 서열 | 작동자 간격 91 bp(DPPS91) |
| pAVE030 | T7A3 | 두 개의 완전한 팔린드롬 서열 | 작동자 간격 92 bp(DPPS92) |
| pAVE031 | T7A3 | 하나의 완전한 팔린드롬 서열 | |
| pAVE021 | λpL | 두 개의 완전한 팔린드롬 서열 | 작동자 간격 91 bp(DPPS91) |
| pAVE035 | λpL | 두 개의 완전한 팔린드롬 서열 | 작동자 간격 92 bp(DPPS92) |
| pAVE027 | λpL | 하나의 완전한 팔린드롬 서열 | |
| pAVE046 | λpL | 하나의 완전한 팔린드롬 서열 | 분비 벡터 |
| 시간(시) | hTNFα의 축적 수준(%TCP*) |
| 3 | 2 |
| 4 | 18 |
| 6 | 25 |
| 8 | 33 |
| 24 | 42 |
| 24(기초 수준, IPTG 불포함) | 13 |
| 시간(시) | hTNFα의 축적 수준(%TCP*) |
| 4 | 2 |
| 6 | 5 |
| 8 | 9 |
| 24 | 12 |
| 24(기초 수준, IPTG 불포함) | 검출되지 않음 |
| 분석 | hTNFα 축적-CLD021(λpL:DPPS91) | hTNFα 축적-CLD038λpL:DPPS92) |
| 콜로이달 블루 SDS-PAGE (IPTG 유도 후) | 검출되지 않음 | 검출되지 않음 |
| 웨스턴 블롯 (IPTG 유도 후) | 양성 | 양성(도 2 참조) |
| 콜로이달 블루 SDS-PAGE (IPTG 유도 없는 기초 수준, 24시간)후) | 검출되지 않음 | 검출되지 않음 |
| 웨스턴 블롯 (IPTG 유도 없는 기초 수준, 24시간) | 검출되지 않음 | 검출되지 않음 |
| 공급물의 성분 | 정제수 기준, 필요한 양[g/L] |
| 글리세롤 | 714 |
| MgSO4.7H2O | 7.4 |
| 균주 | 발현 벡터 설명 | 회수(harvest)시 OD600 | 회수시 hTNFα 축적(%TCP) | 회수시 hTNFα 역가(mg/L) |
| CLD018 | T7A3 프로모터, 91 bp 간격의 두 개의 완전한 팔린드롬 | 147 | 29 | 8400 |
| CLD026 | T7A3 프로모터, 92 bp 간격의 두 개의 완전한 팔린드롬 | 204 | 34 | 11400 |
| CLD032 | T7A3 프로모터, 하나의 완전한 팔린드롬 서열 | 194 | 41 | 12500 |
| CLD019 | tac 프로모터, 91 bp 간격의 두 개의 완전한 팔린드롬 | 196 | 22 | 8300 |
| CLD030 | 하나의 완전한 팔린드롬 서열을 갖는 λpL 프로모터 | 167 | 7 | 2600 |
| 유도 후 시간(시) | hTNFαDML 축적 수준(%TCP) |
| 4 | 16 |
| 24(기초, IPTG 불포함) | 검출되지 않음 |
| 분획 | 생물학적 활성 D1.3 Fab(㎍/L 배양액/OD) |
| 잔여 성장 배지(residual growth medium) | 460 |
| 주변세포질(periplasm) | 4020 |
| 전체(잔여 성장 배지 + 주변세포질) | 4480 |
| 분획 | 생물학적 활성 D1.3 Fab(mg/L 배양액/OD) |
| 잔여 성장 배지 | 525 |
| 주변세포질 | 57 |
| 전체(잔여 성장 배지 + 주변세포질) | 582 |
| 시료 | CEA 경쟁 ELISA에서 % 억제 | D1.3 경쟁 ELISA에서 % 억제 |
| 대조구 (D1.3-A5B7 bsctDb 불포함) | 없음 | 없음 |
| 0.5 mM IPTG로 유도된 배양액의 상층액 | 100 | 100 |
| 0.1 mM IPTG로 유도된 배양액의 상층액 | 부분적 | 부분적 |
Claims (16)
- a) 프로모터, 및b) 완전한 팔린드롬 작동자 서열(palindrome operator sequence)을 포함하고, 상기 프로모터는 T7이 아닌 것을 특징으로 하는 완전한 팔린드롬 작동자 서열-기반 단백질 발현 시스템.
- a) 프로모터, 및b) 완전한 팔린드롬 작동자 서열을 포함하고, 상기 프로모터는 T7이 아닌 것을 특징으로 하는 플라스미드.
- 제2항에 있어서, 단백질을 위한 발현 카세트를 더 포함하는 것인 플라스미드.
- 제2항 또는 제3항에 있어서, 상기 플라스미드는 자가 복제 플라스미드(autonomously replicating plasmid)인 것인 플라스미드.
- 제2항 또는 제3항에 있어서, 상기 플라스미드는 통합형 플라스미드(integrative plasmid)인 것인 플라스미드.
- 제2항 내지 제5항 중 어느 한 항에서 청구된 바와 같은 플라스미드에 의해 형질전환된 숙주 세포.
- a) 프로모터,b) 완전한 팔린드롬 작동자 서열, 및c) 단백질에 대한 발현 카세트를 포함하고, 상기 프로모터는 T7이 아닌 것을 특징으로 하는 발현 시스템을 발현시키는 단계를 포함하는, 단백질 생산 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 프로모터는 숙주 세포 폴리머라아제 프로모터인 것인 발현 시스템, 플라스미드, 숙주 세포, 또는 방법.
- 제8항에 있어서, 상기 프로모터는 대장균 RNA 폴리머라아제 프로모터인 것인 발현 시스템, 플라스미드, 숙주 세포, 또는 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 프로모터는 T7A1, T7A2, T7A3, λpL, λpR, lac, lacUV5, trp, tac, trc, phoA 또는 rrnB인 것인 발현 시스템, 플라스미드, 숙주 세포, 또는 방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 작동자 시스템은 lac, gal, deo 또는 gln인 것인 발현 시스템, 플라스미드, 숙주 세포, 또는 방법.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 두 개의 완전한 팔린드롬 작동자 서열이 이용되고, 바람직하게는 하나의 작동자 서열은 상기 프로모터의 하류에 위치하고, 하나의 작동자 서열은 상기 프로모터의 상류에 위치하는 것인 발현 시스템, 플라스미드, 숙주 세포 또는 방법.
- 제12항에 있어서, 상기 작동자 서열들은 85 내지 150 bp, 바람직하게는 90 내지 126 bp, 가장 바람직하게는 91 또는 92 bp 떨어져서 배치된 것인 발현 시스템, 플라스미드, 숙주 세포 또는 방법.
- a) 제3항에 따른 플라스미드로 형질전환된 숙주 세포를 배양하는 단계, 및b) 단백질을 회수하는 단계를 포함하는, 단백질 생산 방법.
- 제14항에 있어서, 상기 숙주 세포는 대장균인 것인 방법.
- 제14항 또는 제15항에 있어서, 상기 플라스미드는 제8항 내지 제13항 중 어느 한 항에서 청구된 바와 같은 플라스미드인 것인 방법.
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| GB0602173.7 | 2006-02-03 | ||
| PCT/GB2007/000351 WO2007088371A2 (en) | 2006-02-03 | 2007-02-01 | Expression system |
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| GB0709061D0 (en) | 2007-05-11 | 2007-06-20 | Avecia Biolog Ltd | Expression system |
| GB0810154D0 (en) | 2008-06-04 | 2008-07-09 | Avecia Biolog Ltd | Expression vector |
| GB0905331D0 (en) * | 2009-03-27 | 2009-05-13 | Avecia Biolog Ltd | Expression process |
| GB201018664D0 (en) | 2010-11-05 | 2010-12-22 | Msd Biolog Uk Ltd | Expression process |
| GB201021795D0 (en) | 2010-12-21 | 2011-02-02 | Msd Biolog Uk Ltd | Expression Process |
| GB201209896D0 (en) | 2012-06-01 | 2012-07-18 | Fujifilm Diosynth Biotechnologies Uk Ltd | Process |
| SG11201505388QA (en) | 2013-01-31 | 2015-08-28 | Glaxo Group Ltd | Method of producing a protein |
| ES2732907T3 (es) * | 2013-05-03 | 2019-11-26 | Fujifilm Diosynth Biotechnologies Uk Ltd | Procedimiento de expresión |
| GB201311837D0 (en) | 2013-07-01 | 2013-08-14 | Fujifilm Diosynth Biotechnologies Uk Ltd | Expression Process |
| GB201319930D0 (en) | 2013-11-12 | 2013-12-25 | Fujifilm Diosynth Biotechnologies Uk Ltd | Expression process |
| CA2958755C (en) * | 2014-08-28 | 2023-02-28 | Synthetic Biologics, Inc. | E. coli-based production of beta-lactamase |
| US9791697B2 (en) | 2015-12-11 | 2017-10-17 | Panasonic Intellectual Property Management Co., Ltd. | Screen |
| JP2019510517A (ja) | 2016-03-29 | 2019-04-18 | ジェルター, インコーポレイテッド | 細胞質内体積に対するペリプラズム体積の比率が0.5:1および10:1の間にあるグラム陰性細菌におけるタンパク質の発現 |
| RU2742006C2 (ru) | 2016-05-06 | 2021-02-01 | Глаксосмитклайн Интеллекчуал Проперти Дивелопмент Лимитед | Способ продуцирования рекомбинантного белка |
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| EP4136221A4 (en) * | 2020-04-15 | 2024-10-23 | University Of Alaska Anchorage | PROCESSES AND COMPOSITIONS FOR THE PRODUCTION OF ISOBUTENE |
| AU2022413768A1 (en) | 2021-12-17 | 2024-06-13 | Fujifilm Diosynth Biotechnologies Uk Limited | Sequences and methods for production of recombinant biological molecules in vesicles |
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