KR101373297B1 - 대장균 포스포글리세르산 인산화효소 유전자를 융합 파트너로서 포함하는 발현벡터 - Google Patents
대장균 포스포글리세르산 인산화효소 유전자를 융합 파트너로서 포함하는 발현벡터 Download PDFInfo
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- KR101373297B1 KR101373297B1 KR1020120017666A KR20120017666A KR101373297B1 KR 101373297 B1 KR101373297 B1 KR 101373297B1 KR 1020120017666 A KR1020120017666 A KR 1020120017666A KR 20120017666 A KR20120017666 A KR 20120017666A KR 101373297 B1 KR101373297 B1 KR 101373297B1
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Abstract
Description
도 2는 8개의 난발현 단백질들을 대장균에서 단독 발현시킨 경우의 재조합 단백질의 발현량을 SDS-PAGE로 나타낸 결과이다 (M: 분자 마커; S: 가용성 분획; IS: 비가용성 분획).
도 3은 8개의 난발현 단백질들을 대장균에서 F-ePGK 유전자와 융합 발현시킨 경우의 재조합 단백질의 발현량을 SDS-PAGE로 나타낸 결과이다 (M: 분자 마커; S: 가용성 분획; IS: 비가용성 분획).
도 4는 8개의 난발현 단백질들을 대장균에서 N-ePGK 유전자와 융합 발현시킨 경우의 재조합 단백질의 발현량을 SDS-PAGE로 나타낸 결과이다 (M: 분자 마커; S: 가용성 분획; IS: 비가용성 분획).
도 5는 8개의 난발현 단백질들을 대장균에서 단독 발현, F-ePGK 유전자 또는 N-ePGK 유전자와 융합발현시, 용해도(solubility)(A) 및 발현 수준(expression level)(B)을 비교한 그래프이다.
도 6은 상기 엔테로키나제 인식부위를 코딩하는 폴리뉴클레오티드 제거 전 및 제거후의 목적 단백질의 SDS-PAGE (line 1-3, 7, 및 8) 및 western blot (line 4-6) 결과, CD 스펙트럼을 통한 목적 단백질의 2차 구조 분석 결과를 나타낸 그래프(B) 및 SDS-PAGE 결과(C)를 나타낸 것이다.
도 7은 N-ePGK와 융합발현된 hFTN-L(Human ferritin light chain)의 정제(A) 및 TEM 이미지(B)를 나타낸 것이다.
도 8은 N-ePGK와 융합발현된 ADI(Arginine deiminase from Mycoplasma) (lane 1) 및 N-ePGK로부터 분리된 ADI (lane 2)의 SDS-PAGE 결과 데이타(A), 및 융합 발현된 ADI의 activity 분석 그래프(B)이다.
유전자명 | 프라이머 | 서열번호 | 염기서열 |
ADI | 센스 | 서열번호 6 | cat atg tct gta ttt gac agt |
안티센스 | 서열번호 7 | aag ctt cta tca ctt aac atc | |
mp-INS | 센스 | 서열번호 8 | cat atg ttt gtc aac caa cat |
안티센스 | 서열번호 9 | aag ctt tta gtt aca gta gtt c | |
ppGRN | 센스 | 서열번호 10 | cat atg ggc tcc agc ttc ctg |
안티센스 | 서열번호 11 | aag ctt tca ctt gtc ggc t | |
AID | 센스 | 서열번호 12 | cat atg gac agc ctc ttg atg aac |
안티센스 | 서열번호 13 | aag ctt tca taa caa aag tcc ca | |
GAD448 -585 | 센스 | 서열번호 14 | cat atg cgc cac gtt gat gt |
안티센스 | 서열번호 15 | atc gat tta taa atc ttg tcc | |
CUT | 센스 | 서열번호 16 | cat atg gct ccc ctg ccg gat ac |
안티센스 | 서열번호 17 | aag ctt tta aag ccc gcg gcg ct | |
hFTN-L | 센스 | 서열번호 18 | cat atg agc tcc cag att cgt |
안티센스 | 서열번호 19 | aag ctt tta gtc gtg ctt gag agt | |
hG-CSF | 센스 | 서열번호 20 | cat atg act cca ctc gga cct g |
안티센스 | 서열번호 21 | aag ctt tca tgg ctg tgc aag |
유전자명 | 프라이머 | 서열번호 | 염기서열 |
ADI | 센스 | 서열번호 23 | ctc gag gat gac gat gac aag tct gta ttt ga |
안티센스 | 서열번호 24 | aag ctt cta tca ctt aac atc | |
mp-INS | 센스 | 서열번호 25 | ctc gag ttt gtc aac caa cat |
안티센스 | 서열번호 26 | aag ctt tta gtt aca gta gtt c | |
ppGRN | 센스 | 서열번호 27 | ctc gag ggc tcc agc ttc ctg |
안티센스 | 서열번호 28 | aag ctt tca ctt gtc ggc t | |
AID | 센스 | 서열번호 29 | ctc gag gac agc ctc ttg atg aac |
안티센스 | 서열번호 30 | aag ctt tca taa caa aag tcc ca | |
GAD448 -585 | 센스 | 서열번호 31 | ctc gag cgc cac gtt gat gt |
안티센스 | 서열번호 32 | atc gat tta taa atc ttg tcc | |
CUT | 센스 | 서열번호 33 | ctc gag gct ccc ctg ccg gat ac |
안티센스 | 서열번호 34 | aag ctt tta aag ccc gcg gcg ct | |
hFTN-L | 센스 | 서열번호 35 | ctc gag agc tcc cag att cgt |
안티센스 | 서열번호 36 | aag ctt tta gtc gtg ctt gag agt | |
hG-CSF | 센스 | 서열번호 37 | ctc gag acc ccc ctg ggc cct gcc |
안티센스 | 서열번호 38 | aag ctt tca tgg ctg tgc aag |
Claims (17)
- 목적 단백질 유전자를 포함하는 발현벡터에 있어서, 서열번호 39로 표시되는 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 서열번호 40으로 표시되는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자를 융합파트너(fusion partner)로서 포함하는 재조합 단백질 생산용 발현벡터.
- 제 1항에 있어서, 상기 목적 단백질 유전자와 상기 융합파트너로서의 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자가 연결되어 있는 것을 특징으로 하는 재조합 단백질 생산용 발현벡터.
- 제 2항에 있어서, 상기 목적 단백질 유전자와 상기 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자 사이에 단백질 절단 효소 인식부위를 코딩하는 폴리뉴클레오티드가 연결되어 있는 것을 특징으로 하는 재조합 단백질 생산용 발현벡터.
- 제 2항에 있어서, 상기 목적 단백질 유전자와 상기 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자는 분리정제용 태그를 코딩하는 폴리뉴클레오티드와 작동 가능하도록 연결되어 있는 것을 특징으로 하는 재조합 단백질 생산용 발현벡터.
- 제 1항에 있어서, 상기 목적 단백질은 항원, 항체, 세포수용체, 효소, 구조 단백질, 혈청 및 세포 단백질로 이루어진 군으로부터 선택된 것을 특징으로 하는 재조합 단백질 생산용 발현벡터.
- 삭제
- 제 1항 내지 제 5항 중 어느 한 항의 발현벡터로 형질전환된 재조합 미생물.
- 제 7항의 재조합 미생물을 배양하여 재조합 단백질의 발현을 유도한 다음, 이를 회수하는 단계를 포함하는 재조합 단백질의 제조방법.
- 제 8항에 있어서, 상기 재조합 단백질로부터 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자를 제거하는 단계를 추가적으로 포함하는 재조합 단백질의 제조방법.
- 제 8항의 방법에 의해 제조되고, ePGK 또는 N-ePGK와 목적 단백질이 융합된 재조합 융합 단백질.
- 목적 단백질을 코딩하는 유전자와 서열번호 39로 표시되는 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 서열번호 40으로 표시되는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자가 연결되어 있는 유전자 구조체(gene construct).
- 제 11항에 있어서, 상기 목적 단백질 유전자와 상기 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자 사이에 단백질 절단 효소 인식부위를 코딩하는 폴리뉴클레오티드가 연결되어 있는 것을 특징으로 하는 유전자 구조체(gene construct).
- 제 11항에 있어서, 상기 목적 단백질 유전자와 상기 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자는 분리정제용 태그를 코딩하는 폴리뉴클레오티드와 작동 가능하도록 연결되어 있는 것을 특징으로 하는 유전자 구조체(gene construct).
- 삭제
- 제 11항의 유전자 구조체(gene construct)가 숙주세포의 염색체 내에 삽입되어 있는 재조합 미생물.
- 제 15항의 재조합 미생물을 배양하여 재조합 단백질의 발현을 유도한 다음, 이를 회수하는 단계를 포함하는 재조합 단백질의 제조방법.
- 제 16항에 있어서, 상기 재조합 단백질로부터 대장균의 포스포글리세르산 인산화효소 (phosphoglycerate kinase, ePGK) 유전자 또는 대장균의 포스포글리세르산 인산화효소의 N-도메인 (N-ePGK) 유전자를 제거하는 단계를 추가적으로 포함하는 재조합 단백질의 제조방법.
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