KR102675089B1 - 디펩티드 합성 활성을 갖는 단백질 및 이를 이용한 디펩티드의 생산 방법 - Google Patents
디펩티드 합성 활성을 갖는 단백질 및 이를 이용한 디펩티드의 생산 방법 Download PDFInfo
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- KR102675089B1 KR102675089B1 KR1020240018462A KR20240018462A KR102675089B1 KR 102675089 B1 KR102675089 B1 KR 102675089B1 KR 1020240018462 A KR1020240018462 A KR 1020240018462A KR 20240018462 A KR20240018462 A KR 20240018462A KR 102675089 B1 KR102675089 B1 KR 102675089B1
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- carnosine
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- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
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- 238000007833 oxidative deamination reaction Methods 0.000 description 1
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- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
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- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
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- 235000009492 vitamin B5 Nutrition 0.000 description 1
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Abstract
Description
도 2는 돌연변이가 도입된 본 발명에 따른 폴리펩티드의 L-카르노신 생산량을 야생형의 BaBacD 효소와 비교하여 나타낸 것이다.
타겟 유전자 | 프라이머 방향 | 서열 (5' -> 3') | 서열 번호 |
poxB 업스트림 |
정방향 | CCGGGCTGCAGGAATTCGATGTAATCACGATTACCGACGAGTAATG | 3 |
역방향 | GGAGATGGAGAACCAGTACTAAAGGGTGGCATTTCCCGTC | 4 | |
poxB 다운스트림 |
정방향 | AGTACTGGTTCTCCATCTCCTGAATGTGATAAC | 5 |
역방향 | GCTAGGTCGACTAGCGTGATGTGATCTACAACGTGCGTACG | 6 | |
pflB 업스트림 |
정방향 | GATCCCCCGGGCTGCAGGAATTCGATGCGATGCGCTGAATCGTC | 7 |
역방향 | GTGTTACAGTACTTTAGATTTGACTGAAATCGTACAGTAAAAAGCGTAC | 8 | |
pflB 다운스트림 |
정방향 | CTAAAGTACTGTAACACCTACCTTCTTAAGTGGATTTTTTATTTAC | 9 |
역방향 | CTAGCTAGGTCGACTAGCGTGATCACAGCAACCACTGGCAC | 10 | |
ldhA 업스트림 |
정방향 | GATCCCCCGGGCTGCAGGAATTCGATCACGTAGCGCCAGGTTTAAAAG | 11 |
역방향 | CTGGAGAAAGTCTTAGTACTTCTTGCCGCTCCCCTG | 12 | |
ldhA 다운스트림 |
정방향 | CAGGGGAGCGGCAAGAAGTACTAAGACTTTCTCCAGTGATGTTGAATCAC | 13 |
역방향 | CTAGGTCGACTAGCGTGATCTTTCAGCTGGCCTTGAAATTTAACTTTTTC | 14 | |
adhE 업스트림 |
정방향 | GATCCCCCGGGCTGCAGGAATTCGATCATCGCCTGCAAAATTATTTAAC | 15 |
역방향 | CATTATCAGGAGAGCATTAGTACTTCAGTAGCGCTGTCTGG | 16 | |
adhE 다운스트림 |
정방향 | GAAGTACTAATGCTCTCCTGATAATGTTAAACTTTTTTAG | 17 |
역방향 | CTAGCTAGGTCGACTAGCGTGATGACATCGCTATCGTCACCAC | 18 | |
pepB 업스트림 |
정방향 | CCGGGCTGCAGGAATTCGATGTAAATTAGGCTGTGCCTCTTC | 19 |
역방향 | TAAGGATAACTAAAAGTACTACTAATATGCCGGATGCG | 20 | |
pepB 다운스트림 |
정방향 | CCGGCATATTAGTAGTACTTTTAGTTATCCTTATTCGTTTAACAGC | 21 |
역방향 | GCTAGGTCGACTAGCGTGATCGTAGACAAACAAACCCAGG | 22 | |
pepN 업스트림 |
정방향 | CCGGGCTGCAGGAATTCGATGATGGAAGCGCGACATATC | 23 |
역방향 | CATTCGGTTATTTAAGTACTAAATAACCTTTAGCATCTTTTATAGAGTC | 24 | |
pepN 다운스트림 |
정방향 | GCTAAAGGTTATTTAGTACTTAAATAACCGAATGGCGGCAATAG | 25 |
역방향 | GCTAGGTCGACTAGCGTGATGCAGTAAGCAAACATTACGC | 26 |
타겟 유전자 |
암호화 효소 | 대체/삽입 합성 오페론 |
암호화 효소 | |
1 | poxB | Pyruvate dehydrogenase |
PCP44_Cg_panD PcysK_Ec_ppc |
Corynebacterium glutamicum Aspartate 1-decarboxylase |
Escherichia coli Phosphoenolpyruvate carboxylase |
||||
2 | pflB | Formate acetyltransferase |
PCP44_Cg_panD PcysK_Ec_gdh |
Corynebacterium glutamicum Aspartate 1-decarboxylase |
Escherichia coli Glutamate dehydrogenase |
||||
3 | ldhA | Lactate dehydrogenase |
PJ23100_Ec_ppc PJ23100_Cg_pyc |
Escherichia coli Phosphoenolpyruvate carboxylase |
Corynebacterium glutamicum pyruvate carboxylase |
||||
4 | adhE | Bifunctional aldehyde-alcohol dehydrogenase |
PJ23100_Cg_aspB PJ23100_Ec_aspA |
Corynebacterium glutamicum Aspartate aminotransferase |
Escherichia coli Aspartate ammonia-lyase |
||||
5 | pepB | Peptidase B | PCP44_Cg_panD PcysK_Cg_aspB |
Corynebacterium glutamicum Aspartate 1-decarboxylase |
Corynebacterium glutamicum Aspartate aminotransferase |
||||
6 | pepN | Aminopeptidase N | PCP44_Cg_panD PcysK_Ec_ppc |
Corynebacterium glutamicum Aspartate 1-decarboxylase |
Escherichia coli Phosphoenolpyruvate carboxylase |
타겟 유전자 | 프라이머 방향 | 서열 (5' -> 3') | 서열 번호 |
poxB | 정방향 | GTCGTGATCTTCCTGCAAC | 27 |
역방향 | CGTCACGCCGATTATGTC | 28 | |
pflB | 정방향 | GAAGCTCGATTTTCTCAACGTTG | 29 |
역방향 | GTTAGTATCTCGTCGCCGAC | 30 | |
ldhA | 정방향 | GTAGTGAGCCTGTTCAGCAG | 31 |
역방향 | CAGTTCGCTGACTGTAAGTTG | 32 | |
adhE | 정방향 | GAAAGTCAGTTCGCGTATAGG | 33 |
역방향 | CACACCAATGCTTTCACGTAC | 34 | |
pepB | 정방향 | GATATCACCATCGGCTTCAATG | 35 |
역방향 | CGATGATGTTGACGCCATC | 36 | |
pepN | 정방향 | GCTTAACGATGGTTTCTTGTACTTC | 37 |
역방향 | GTATGAATACTGCTCGTCTGAAC | 38 |
효소 명 | 아미노산 서열 | 서열 번호 |
BaBacD | MSKKTVLVIADLGGCPPHMFYESVAASYHIVSYIPRPFAITKGHAELIEKYSIAVIKDRD YFETHPSFEHPDSIYWAHDDYPKSEEEVVEDFIRVASFFKADAITTNNELFIAPMAKAAE RLGLRGAGVKAAEMARDKSQMRAAFNASGVKAVKTQPVTTLSDFQKAIESIGTPLILKPT YLASSIGVTLFHDKAGSDDLFLQVQSYLETIPVPDAVTYEAPFVAETYLEGAYEDWYEDE GYADYVSVEGLVVEGEYLPFVIHDKTPQIGFTETAHITPTILDNEAKQIIIEAARKANEG LGLEHCATHTEIKLMKNRETGLIESAARFAGWNMIPNIKKVFGVDMAKLLIDVLVDGKKA VLPKQLLSGHTFYVADCHLYPQHFKESGHIPPEATHITIDHVSIPEEAFVGDTAIVSQSF PTKGTMVDLALFEAFNGIVSLELKGSSSQDVAASIRNIQKQATIQLMDELVKG |
2 |
균주 | O.D.600 | L- 카르노신 (mg/L) | 배양시간 (h) |
Ec_BaBacD | 47.75±9.12 | 4.77±1.08 | 72 |
효소 명 | 아미노산 서열 | 서열 번호 |
CutisLal | MSKKTVLVIADLGGCPPHMFYESVAASYHIVSYIPRPFAITKGHAELIEKYSIAVIKDRD YFETHPSFEHPDSIYWAHDDYPKSEEEVVEDFIRVASFFKADAITTN E ELFIAPMAKAAE RLGLRGAGVKAAEMARDKSQMRAAFNASGVKAVKTQPVTTLSDFQKAIESIGTPLILKPT YLASSIGVTLFHDKAGSDDLFLQVQSYLETIPVPDAVTYEAPFVAETYLEGAYEDWYEDE GYADYVSVEGLVVEGEYLPFVIHDKTPQIGFTETAHITPTILDNEAKQIIIEAARKANEG LGLEHCATHTEIKLMKNRETGLIESAARFAGWNMIPNIKKVFGVDMAKLLIDVLVDGKKA VLPKQLLSGHTFYVADC K LYPQHFKESGHIPPEATHITIDHVSIPEEAFVGDTAIVSQSF PTKGTMVDLALFEAFNGIVSLELKGSSSQDVAASIRNIQKQATIQLMDELVKG |
1 |
균주 | O.D.600 | L- 카르노신 (mg/L) | 배양시간 (h) |
Ec_CutisLal | 41.75±6.15 | 672.41±7.33 | 72 |
Claims (12)
- 서열번호 1로 표시되는 아미노산 서열로 이루어진 단리된 폴리펩티드.
- 제1항에 있어서, 상기 폴리펩티드는 L-아미노산 리가아제(L-amino acid ligase, Lal)인 것을 특징으로 하는 폴리펩티드.
- 제1항의 폴리펩티드를 암호화하는 폴리뉴클레오티드.
- 제3항의 폴리뉴클레오티드를 포함하는 발현 벡터.
- 제4항의 발현 벡터를 포함하는 숙주 세포.
- 제5항에 있어서, 상기 숙주 세포는 대장균인 것을 특징으로 하는 숙주 세포.
- 제6항에 있어서, 상기 대장균은 poxB, pflB, ldhA, adhE, pepB, 및 pepN이 결손되고, Cg_panD, Ec_ppc, Cg_aspB, Ec_aspA, Cg_pyc, 및 Ec_gdh가 삽입된 E. coli BL21 (DE3)인 것을 특징으로 하는 숙주 세포.
- 제1항에 따른 폴리펩티드 및 제5항 내지 제7항에 따른 숙주 세포 중 어느 하나 이상을 포함하는 L-카르노신(L-carnosine) 생산용 조성물.
- (a) 서열번호 1로 표시되는 아미노산 서열로 이루어진 단백질을 발현하는 재조합 균주를 상기 단백질을 생산하는데 적합한 시간 및 조건 하에 배지에서 배양하는 단계;
(b) 상기 배양물에 i) 글루코스(glucose) 및 베타 알라닌(β-alanine) 중 어느 하나 이상, 및 ii) L-히스티딘(L-histidine)을 혼합하는 단계; 및
(c) L-카르노신(L-carnosine)을 수득하는 단계;
를 포함하는 L-카르노신(L-carnosine)의 생산 방법.
- 제9항에 있어서, 상기 단백질은 L-아미노산 리가아제(L-amino acid ligase, Lal)인 것을 특징으로 하는 L-카르노신(L-carnosine)의 생산 방법.
- 제9항에 있어서, 상기 재조합 균주는 대장균인 것을 특징으로 하는 L-카르노신(L-carnosine)의 생산 방법.
- 제11항에 있어서, 상기 대장균은 poxB, pflB, ldhA, adhE, pepB, 및 pepN이 결손되고, Cg_panD, Ec_ppc, Cg_aspB, Ec_aspA, Cg_pyc, 및 Ec_gdh가 삽입된 E. coli BL21 (DE3)인 것을 특징으로 하는 L-카르노신(L-carnosine)의 생산 방법.
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