KR102083371B1 - 단백질 가수분해 처리된 폴리펩티드의 제조방법 - Google Patents
단백질 가수분해 처리된 폴리펩티드의 제조방법 Download PDFInfo
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Abstract
Description
도면 2: 12.5% SDS-PAGE에 의해 1~37.3kDa 분자량을 가진 nBH 내용과 관련하여 SEC (HiLoad 16/60 Superdex 75)에서 수집된 절편의 분석. 절편 9 내지 11은 다량의 nBH를 포함한다. (Lane 1: LMW: 116kDa, 66kDa, 45kDa, 35kDa, 25kDa, 18.4kDa, 14.4kDa)
도면 3: nBH의 세개의 회분식 정제의 순도 및 단백질 농도의 결정을 위한 12.5% SDS-PAGE 분석. lane 1, LMW (116kDa, 66kDa, 45kDa, 35kDa, 25kDa, 18.4kDa, 14.4kDa); lane 2, nBH Lot TE311206 (192ng/㎕의 성숙한 NT02CB1446/CBO1444, 진뱅크 접근번호. CAL82987.1의 아미노산 254-594, 분자량: 38.6kDa); lane 3, nBH Lot TIK301009 (130ng/㎕의 성숙한 NT02CB1447/CBO1445, SEQ ID NO: 1, 진뱅크 접근번호. CAL82987.1의 아미노산 249-581, 분자량: 37.3kDa); lane 4, nBH Lot TIK280509 (114 ng/㎕의 성숙한 NT02CB1447/CBO1445, SEQ ID NO: 1, 진뱅크 접근번호. CAL82988.1의 아미노산249-581, 분자량: 37.3kDa).
도면 4: ESI-MS/MS 스펙트럼 분석 보고. nBH lot TE311206의 38.6kDa 단백질 밴드(band)는 마스코트 점수(Mascot score) 725를 가진 NT02CB1446/CBO1444와 전체 오픈리딩프레임(ORF)에 걸친 29.6%의 펩티드 MS/MS 서열범위로 확인된다. N-말단 253개 아미노산에서 유도된 펩티드(회색박스, 확인된 MS 펩티드; 빨간색 사각형, MS/MS 붕괴 후 확인된 펩티드의 아미노산 y-/b-이온)는 확인되지 않는다. nBH를 형성하는 254-594개의 C-말단 아미노산에 따라 많은 TE311206의 MS/MS 분석은 52%의 서열범위를 나타낸다.
도면 5: ESI-MS/MS 스펙트럼 분석 보고. nBH lot TIK301009의 37.3kDa 단백질 결합이 마스코트 점수(Mascot score) 555를 가진 NT02CB1447/CBO1445와 전체 오픈리딩프레임(ORF)에 걸친 28.4%의 펩티드 MS/MS 서열범위로 확인된다. 하나를 제외한 모든 펩티드는(회색박스, 확인된 MS 펩티드; 빨간색 사각형, MS/MS 붕괴 후 확인된 펩티드의 아미노산 y-/b-이온), C-말단 333개 아미노산에서 유도되는 것으로 확인된다. nBH를 형성하는 C-말단 아미노산 249-581에 따라 따라 많은 TE311206의 MS/MS 분석은 49.5%의 서열범위를 나타낸다.
도면 6: 세 개의 회분식 정제에서 유래된 nBH의 단백질 분해 활성에 의존한 농도 비교. A 농축된 nBH의 희석이 1:10, 1:30, 1:100, 1:300, 1:1000과 같을 때, 회분식 TIK301009, TIK280509 및 TE311206에서 유도된 nBH 분석하는 활성 테스트의 12.5% SDS-PAGE. 상기 분석은 1μg의 scBoNT/A와 2㎕의 dH2O 및 37℃ 에서 60분간 대응 희석된 1㎕의 nBH를 배양함으로써 수행되었다. SDS-PAGE 분석을 위해, 3㎕의 감소하는 4xSDS Laemmli 버퍼가 10㎕의 최종부피에 첨가되었다. 150kDa scBoNT/A가 100kDa의 중쇄와 50kDa의 경쇄로 절단되었다. B 정량화된 중쇄, 경쇄 및 scBoNT/A의 단백질 밴드의 최적밀도와 경쇄 및 중쇄 생성물 밴드의 합이 LC, HC 및 scBoNT/A 단백질 밴드의 합으로 분할되었다. 첫째 폴리펩티드의 더 높은 희석은 절단비를 감소시킨다. 특이적인 세개의 다른 회분식 단백질 분해활성은 거의 동일하다.
도면 7: nBH에 의해 변형된 루프를 포함하는 scBoNT/A 야생형 및 돌연변이의 시간에 의존한 분열. A 루프 서열의 변형. scBoNTAS Throm에서 모든 리신 잔기는 제거되고 트롬빈 인식서열 LVPRGS는 주입되는 반면, scBoNT Res에서 상기 루프는 어떤 염기성 아미노산이 부족하다. 여덟개의 작은잔기 또는 부피가 큰 측쇄를 포함한 다섯개의 아미노산으로 루프를 축소하는 것은 각각 scBoNTAS (GGSG)2 및 scBoNTAS FQWYI를 생성한다. scBoNTAS CGS-C에서 전체 루프는 제거되고 상기 시스테인을 형성하는 이화화 결합은 글리신과 세린으로 대체된다. B scBoNT/A 및 돌연변이의 시간-의존 절단의 SDS-PAGE 분석. C scBoNTAS 야생형은 nBH에 의해 시간 의존적으로 120분 내에 경쇄 및 중쇄로 활성화된다. 리신의 결실 및 단일 아르기닌(arginine) 잔기의 주입은 루프의 절단(scBoNTAS 트롬빈)을 연장한다. 어떤 염기성잔기가 결실된 루프는 여전히 절단된다(scBoNTAS 해상도). 부피가 큰 측쇄를 포함한 다섯개의 아미노산의 도입 또는 전체 루프의 결실로 8mer의 펩티드로 루프를 축소하는 것은 절단되지 않은 scBoNT/A를 생성한다.
도면 8: nBH를 포함한 scBoNT/A의 소화시 50kDa 및 100kDa 절단 생성물의 MS/MS 분석. A 마스코트 점수 1460을 가진 BoNT/A의 경쇄가 확인되는 50kDa 절단 생성물의 분석. 대부분의 C-말단에 할당된 펩티드는 생리학적으로 관찰되는 BoNT/A LCC에 해당하는 C-말단 G433 내지 K438의 아미노산을 포함한다. B 마스코트 점수 96을 가지는 BoNT/A의 중쇄로 확인되는 100kDa 절단 생성물의 분석. 대부분의 N-말단에 할당된 펩티드는 생리학적으로 관찰되는 BoNT/A HC 에 해당하는 N-말단 A449 내지 K456의 아미노산을 포함한다.
도면 9: A 세개의 이후 풀(pool)의 anti-nBH-IgY 단백질 함량이 12.5% SDS-PAGE에서 분석되었다. B ELISA: Nunc Maxisorp F96 마이크로티터(microtiter) 플레이트는 4℃에서 밤새도록 많은(500ng/mL) PBS에서 다양한 nBH로 코팅되었고, 그 후 0.1%의 Tween-20과 2%의 무지방 우유를 포함하는 PBS의 블로킹 버퍼(blocking buffer)에서 1시간동안 차단되었다. 수세 후에, 각각의 풀(블로킹 버퍼 10μg/ml)의 IgY 희석이 1시간동안 첨가되었고, 비오틴-표지된 당나귀 닭 항체 IgY, 스트렙타아비딘-홀스래디쉬 (streptavidin-horseradish) 펩티다아제(디아노바, 함부르크, 독일 모두) 및 3,3’,5,5’-테트라 메틸(3,3’,5,5’-tetramethylbenzidine)(Sigma)을 사용하여 검출되었다.
도면 10: A Talon IMAC에 의해 비활성 BH 1-581 (63kDa)의 재조합 발현 및 분리. Talon IMAC 절편의 10% SDS-PAGE 분석(LMW: 116kDa, 66kDa, 45kDa, 35kDa, 25kDa; SS34, 깨끗한 용해물; TD, 통과액; W, 수세정도; E1-E7, 이미다졸(imidazol) 용출정도 1 내지 7). B 37℃에 1시간 후((lane 6)(LMW: 116kDa, 66kDa, 45kDa, 35kDa, 25kDa) 재조합 iBH (SEQ ID NO: 2; “E”; 63kDa)로 scBoNT/A의 LC (50kDa) 및 HC (100kDa)로의 단백질 가수분해는 관찰되지 않았다.
도면 11: 단백질 가수분해 처리된 폴리펩티드를 얻을 수 있는 정제된 활성 BoNTHydrolase (nBH)의 사용. A 200μg의 재조합 정제된 scBoNT/A는 350ng의 정제된 활성 BoNTHydrolase로 12시간동안 37℃에서 배양되었다. 반응을 중지하기 위해서 nBH는 SEC (컬럼 Superdex 200 10/300GL, 버퍼: 50mM NaP pH 7.5, 150mM NaCl, 시료 부피=0.3ml, 유속=0.25ml/min)에 의해 제거되었고 절단된 양은 10% SDS-PAGE로 분석되었다. B 절편 1 (1800μl) 포함~40% 처리된 BoNT/A는 350ng의 정제 활성 BoNTHydrolase로 15분동안 37℃에서 배양되었고, 한외여과(ultrafiltration)에 의해 300μl까지 농축되었다. 반응을 중지시키기 위해 nBH는 SEC (컬럼 Superdex 200 10/300 GL, 버퍼: 50mM NaP pH 7.5, 150mM NaCl, 시료부피=0.3ml, 유속=0.25ml/min)에 의해 제거되었고 절단된 양은 10% SDS-PAGE로 분석되었다. C 절편 1 및 2 (1800㎕) 포함~80% 처리된 BoNT/A는 120ng의 정제된 활성 BoNTHydrolase로 25분동안 37℃에서 결합 및 배양되었고, 한외여과(ultrafiltration)에 의해 300μl까지 농축되었다. 반응을 중지시키기 위해 nBH는 SEC (컬럼 Superdex 200 10/300GL, 버퍼: 50mM NaP pH 7.5, 150mM NaCl, 시료부피=0.3ml, 유속=0.25ml/min)에 의해 제거되었고 절단된 양은 10% SDS-PAGE로 분석되었다. A > 95%의 처리된 BoNT/A (SEQ ID NO. 3)가 획득되었다.
독소 | 노출된 루프(exposed loop) | LC | HN | HCN | HCC |
BoNT/A1 | SEQ ID NO: 4 | M1-K438 | A449-N872 | I873-S1092 | N1093-L1296 |
BoNT/A2 | SEQ ID NO: 5 | M1-K438 | A449-N872 | I873-S1092 | N1093-L1296 |
BoNT/A3 | SEQ ID NO: 6 | M1-K434 | A445-N868 | I869-S1088 | N1089-L1292 |
BoNT/A3 | SEQ ID NO: 7 | M1-K434 | A445-N868 | I869-S1088 | N1089-L1292 |
BoNT/A4 | SEQ ID NO: 8 | M1-K438 | A449-N872 | I873-S1092 | N1093-L1296 |
BoNT/A5 | SEQ ID NO: 9 | M1-K438 | A449-N872 | I873-S1092 | N1093-L1296 |
BoNT/A6 | SEQ ID NO: 5 | M1-K438 | A449-N872 | I873-S1093 | N1094-L1297 |
BoNT/A7 | SEQ ID NO: 10 | M1-K438 | A449-N872 | I873-S1092 | N1093-L1296 |
BoNT/B1 | SEQ ID NO: 11 | M1-K441 | A442-I860 | L861-S1079 | Y1080-E1291 |
BoNT/B2 | SEQ ID NO: 12 | M1-R441 | A442-I860 | L861-S1079 | Y1080-E1291 |
BoNT/B3 | SEQ ID NO: 12 | M1-R441 | A442-I860 | L861-S1079 | Y1080-E1291 |
BoNT/B4bv | SEQ ID NO: 11 | M1-K441 | A442-I860 | L861-S1079 | Y1080-E1291 |
BoNT/B5nP | SEQ ID NO: 13 | M1-K441 | V442-I860 | L861-S1079 | Y1080-E1291 |
BoNT/B6 | SEQ ID NO: 11 | M1-K441 | A442-I860 | L861-S1079 | Y1080-E1291 |
BoNT/C1 | SEQ ID NO: 14 | M1-R444 | T450-I868 | N869-L1092 | Q1093-E1291 |
BoNT/CD | SEQ ID NO: 14 | M1-R444 | T450-I868 | N869-Q1083 | I1084-E1280 |
BoNT/D | SEQ ID NO: 15 | M1-K442 | D446-I864 | N865-Q1079 | I1080-E1276 |
BoNT/DC | SEQ ID NO: 16 | M1-R442 | D446-I864 | N865-L1088 | Q1089-E1285 |
BoNT/E1-E5 | SEQ ID NO: 17 | M1-K419 | S424-I847 | K848-P1067 | N1068-K1252 |
BoNT/E6 | SEQ ID NO: 18 | M1-K419 | S424-I847 | K848-P1067 | N1068-K1252 |
BoNT/F1 | SEQ ID NO: 19 | M1-R435 | A440-I866 | K867-P1085 | D1086-N1278 |
BoNT/F2 | SEQ ID NO: 20 | M1-R435 | Q440-I866 | K867-P1088 | D1089-E1280 |
BoNT/F3 | SEQ ID NO: 20 | M1-R435 | Q440-I866 | K867-P1088 | D1089-E1279 |
BoNT/F4 | SEQ ID NO: 21 | M1-R435 | A440-I866 | K867-P1085 | D1086-E1277 |
BoNT/F5 | SEQ ID NO: 22 | M1-K434 | P440-I863 | K864-P1085 | D1086-E1277 |
BoNT/F6 | SEQ ID NO: 19 | M1-R435 | A440-I866 | K867-P1088 | D1089-E1275 |
BoNT/F7 | SEQ ID NO: 23 | M1-K427 | N432-I857 | I858-P1076 | D1077-E1268 |
BoNT/G | SEQ ID NO: 24 | M1-K442 | S447-I865 | S866-S1086 | S1087-E1297 |
TeNT | SEQ ID NO: 25 | M1-R449 | T456-K883 | S884-L1109 | S1110-D1315 |
lane | Lot nBH | 단백질 concentr. | ORF의 이름 |
진뱅크 접근번호 |
ORF의 아미노산 |
MW [kDa] |
마스코트점수 |
2 | TE311206 | 192 ng/? | NT02CB1446 CBO1444 |
CAL82987.1 | 254-594 | 38.6 | 725 |
3 | TIK301009 | 130 ng/? | NT02CB1447 CBO1445 |
CAL82988.1 | 249-581 |
37.3 | 555 |
4 | TIK280509 | 114 ng/? | NT02CB1447 CBO1445 |
CAL82988.1 | 249-581 | 37.3 | 609 |
Claims (34)
- Lys-C를 사용하여 단일-사슬(single-chain) 보툴리눔 신경독 혈청형 A(BoNT/A)를 가수분해하는 단계를 포함하고,
상기 Lys-C가 리신의 C-말단 측 펩티드 결합을 특이적으로 절단하는 라이조박터 엔지모제네로부터 유래된 33kDa 세린 엔도프로테아제 Lys-C(리실 엔도펩티다아제, LeK, GenBank acc. Q7M135)인, 활성 이중-사슬(di-chain) 보툴리눔 신경독 혈청형 A(BoNT/A)의 시험관내 제조방법. - 제1항에 있어서, 상기 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)가 자연적으로 발생하는 신경독; 재조합 신경독; 변형 신경독; 또는 천연 중쇄 도메인 또는 상기 도메인의 일부가 결여된 신경독인, 제조방법.
- 제1항 또는 제2항에 있어서, 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)가 서열번호 3 내지 10 중 어느 하나로부터 선택되는 폴리펩티드 서열을 포함하는 것인, 제조방법.
- (a) Lys-C인 제1 폴리펩티드, 및 (b) 상기 제1 폴리펩티드에 의한 단백질 분해에 취약한 제2 폴리펩티드를 접촉시키는 단계를 포함하고,
상기 접촉으로 인하여 상기 제2 폴리펩티드가 적어도 두 개의 절단생성물로 단백질 가수분해되고, 상기 제2 폴리펩티드가 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)이고, 상기 제1 폴리펩티드가 상기 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)를 가수분해하여 활성 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)을 생성하며, 상기 Lys-C가 리신의 C-말단 측 펩티드 결합을 특이적으로 절단하는 라이조박터 엔지모제네로부터 유래된 33kDa 세린 엔도프로테아제 Lys-C(리실 엔도펩티다아제, LeK, GenBank acc. Q7M135)인, 단백질 가수분해 처리된(proteolytically processed) 폴리펩티드의 시험관내 제조방법. - 제4항에 있어서, 상기 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)가 자연적으로 발생하는 신경독; 재조합 신경독; 변형 신경독; 또는 천연 중쇄 도메인 또는 상기 도메인의 일부가 결여된 신경독인, 제조방법.
- 제4항 또는 제5항에 있어서, 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)가 서열번호 3 내지 10 중 어느 하나로부터 선택되는 폴리펩티드 서열을 포함하는 것인, 제조방법.
- 제1항 또는 제2항에 있어서, 상기 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)의 경쇄(L-chain) C-말단 및 중쇄(H-chain) N-말단이 야생형(wild-type) 클로스트리디아로부터 단리된 대응하는 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)과 동일한 것인, 제조방법.
- 제4항 또는 제5항에 있어서, 상기 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)의 경쇄 C-말단 및 중쇄 N-말단이 야생형 클로스트리디아로부터 단리된 대응하는 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)와 동일한 것인, 제조방법.
- 제1항 또는 제2항에 있어서, 상기 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)가 야생형 클로스트리디아 내에서 동일한 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A) 폴리펩티드로부터 생성되는 대응하는 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A) 폴리펩티드와 비교할 때 동일한 아미노산 서열을 갖는 것인, 제조방법.
- 제8항에 있어서, 상기 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A)가 야생형 클로스트리디아 내에서 동일한 단일-사슬 보툴리눔 신경독 혈청형 A(BoNT/A) 폴리펩티드로부터 생성되는 대응하는 이중-사슬 보툴리눔 신경독 혈청형 A(BoNT/A) 폴리펩티드와 비교할 때 동일한 아미노산 서열을 갖는 것인, 제조방법.
- 제10항에 있어서, 상기 접촉하는 단계가 세포 내에서, 세포 용해질에서, 또는 정제된 세포 용해질에서 일어나는 제조방법.
- 제11항에 있어서, 제품품질 평가 또는 약제생산 시 평가에 사용되는 제조방법.
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KR1020177012803A Division KR102083373B1 (ko) | 2012-11-21 | 2012-11-21 | 단백질 가수분해 처리된 폴리펩티드의 제조방법 |
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AR (3) | AR093578A1 (ko) |
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