KR101818126B1 - 열안정성이 증가된 역전사효소 - Google Patents
열안정성이 증가된 역전사효소 Download PDFInfo
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- KR101818126B1 KR101818126B1 KR1020110011639A KR20110011639A KR101818126B1 KR 101818126 B1 KR101818126 B1 KR 101818126B1 KR 1020110011639 A KR1020110011639 A KR 1020110011639A KR 20110011639 A KR20110011639 A KR 20110011639A KR 101818126 B1 KR101818126 B1 KR 101818126B1
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Abstract
Description
| 알라닌 | A | Ala |
| 시스테인 | C | Cys |
| 아스파르트산 | D | Asp |
| 글루탐산 | E | Glu |
| 페닐알라닌 | F | Phe |
| 글리신 | G | Gly |
| 히스티딘 | H | His |
| 이소루이신 | I | Ile |
| 리신 | K | Lys |
| 루이신 | L | Leu |
| 메티오닌 | M | Met |
| 아스파라긴 | N | Asn |
| 프롤린 | P | Pro |
| 글루타민 | Q | Gln |
| 아르기닌 | R | Arg |
| 세린 | S | Ser |
| 트레오닌 | T | Thr |
| 셀레노시스테인 | U | Sec |
| 발린 | V | Val |
| 트립토판 | W | Trp |
| 티로신 | Y | Tyr |
도 2a 내지 도 2b는 본 발명의 돌연변이 역전사효소를 코딩하는 유전자에서 돌연변이된 염기의 위치 및 그 서열을 나타낸 것이다.
도 3은 야생형 역전사효소(서열번호 1)와 본 발명의 돌연변이 역전사효소(서열번호 2 내지 서열번호 9)를 이용하여 42, 50, 60, 65 및 70℃에서 역전사 반응시킨 결과를 보여주는 전기영동 사진이다.
도 4는 야생형 역전사효소(서열번호 1)와 본 발명의 T306L 돌연변이 역전사효소(서열번호 5)를 이용하여 37, 42, 50, 60, 65 및 70℃에서 역전사 반응시킨 결과를 보여주는 전기영동 사진이다.
Claims (11)
- 서열번호 1로 기재되는 야생형 M-MLV(Moloney-Murine Leukemia Virus, M-MLV) 유래 역전사효소의 아미노산 서열의 306번째 트레오닌이 루이신으로 치환(T306L)되어 열안정성이 증가된 역전사효소.
- 청구항 1에 있어서,
서열번호 1로 기재되는 야생형 M-MLV 유래 역전사효소의 아미노산 서열의 63번째 글루타민에서 루이신으로의 치환(Q63L), 264번째 리신에서 루이신으로의 치환(K264L), 295번째 리신에서 글루타민으로의 치환(K295Q), 346번째 글루탐산에서 메티오닌으로의 치환(E346M), 408번째 프롤린에서 글루탐산으로의 치환(P408E), 438번째 히스티딘에서 티로신으로의 치환(H438Y) 및 454번째 아스파라긴에서 페닐알라닌으로의 치환(N454F)으로 이루어진 군으로부터 선택되는 하나 이상의 아미노산 치환을 추가로 포함하는 역전사효소. - 청구항 1에 있어서,
서열번호 5로 기재되는 아미노산 서열로 이루어진 역전사효소. - 청구항 1 내지 청구항 3 중 어느 한 항에 있어서,
60℃ 내지 70℃의 온도에서 서열번호 1로 기재되는 아미노산 서열로 이루어진 야생형 M-MLV 역전사효소와 비교하여 뛰어난 역전사 활성을 나타내는 역전사효소. - 청구항 1의 열안정성이 증가된 역전사효소를 코딩하는 유전자.
- 삭제
- 청구항 5에 있어서,
서열번호 1로 기재되는 야생형 역전사효소의 63번째 글루타민에서 루이신으로의 치환(Q63L), 264번째 리신에서 루이신으로의 치환(K264L), 295번째 리신에서 글루타민으로의 치환(K295Q), 346번째 글루탐산에서 메티오닌으로의 치환(E346M), 408번째 프롤린에서 글루탐산으로의 치환(P408E), 438번째 히스티딘에서 티로신으로의 치환(H438Y) 및 454번째 아스파라긴에서 페닐알라닌으로의 치환(N454F)으로 이루어진 군으로부터 선택되는 하나 이상의 아미노산 치환을 추가로 포함하는 돌연변이 역전사효소를 코딩하는 유전자. - 청구항 5에 있어서,
서열번호 14로 기재되는 염기서열로 이루어진 유전자. - 청구항 5의 유전자를 포함하는 발현 벡터.
- 청구항 9의 발현 벡터로 형질전환된 형질전환체.
- 청구항 1의 열안정성이 증가된 역전사효소를 포함하는 역전사 반응용 키트.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110011639A KR101818126B1 (ko) | 2011-02-09 | 2011-02-09 | 열안정성이 증가된 역전사효소 |
| EP15156411.9A EP2902486B1 (en) | 2011-02-09 | 2012-02-07 | Reverse transcriptase having improved thermostability |
| CN201280008417.1A CN103348004B (zh) | 2011-02-09 | 2012-02-07 | 具有改善的热稳定性的逆转录酶 |
| US13/984,746 US9534210B2 (en) | 2011-02-09 | 2012-02-07 | Reverse transcriptase having improved thermostability |
| EP12744996.5A EP2673359A4 (en) | 2011-02-09 | 2012-02-07 | REVERSE TRANSKRIPTASE WITH IMPROVED HEAT STABILITY |
| JP2013553352A JP5883036B2 (ja) | 2011-02-09 | 2012-02-07 | 熱安定性が増加した逆転写酵素 |
| PCT/KR2012/000894 WO2012108672A2 (en) | 2011-02-09 | 2012-02-07 | Reverse transcriptase having improved thermostability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110011639A KR101818126B1 (ko) | 2011-02-09 | 2011-02-09 | 열안정성이 증가된 역전사효소 |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020130165839A Division KR101473987B1 (ko) | 2013-12-27 | 2013-12-27 | 열안정성이 증가된 역전사효소 |
| KR1020130165840A Division KR101473988B1 (ko) | 2013-12-27 | 2013-12-27 | 열안정성이 증가된 역전사효소 |
| KR1020160044149A Division KR20160045656A (ko) | 2016-04-11 | 2016-04-11 | 열안정성이 증가된 역전사효소 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20120091712A KR20120091712A (ko) | 2012-08-20 |
| KR101818126B1 true KR101818126B1 (ko) | 2018-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110011639A Active KR101818126B1 (ko) | 2011-02-09 | 2011-02-09 | 열안정성이 증가된 역전사효소 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9534210B2 (ko) |
| EP (2) | EP2902486B1 (ko) |
| JP (1) | JP5883036B2 (ko) |
| KR (1) | KR101818126B1 (ko) |
| CN (1) | CN103348004B (ko) |
| WO (1) | WO2012108672A2 (ko) |
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| CN117106745B (zh) * | 2022-06-01 | 2025-02-14 | 北京擎科生物科技股份有限公司 | 逆转录突变体及其应用 |
| WO2024092768A1 (zh) * | 2022-11-04 | 2024-05-10 | 深圳华大生命科学研究院 | 一种热稳定逆转录酶及其应用 |
| WO2024092713A1 (zh) * | 2022-11-04 | 2024-05-10 | 深圳华大生命科学研究院 | Mmlv逆转录酶突变体 |
| EP4613855A1 (en) * | 2022-11-04 | 2025-09-10 | BGI Shenzhen | Mmlv reverse transcriptase mutant |
| CN116004568B (zh) * | 2023-02-07 | 2025-10-17 | 北京诺派生物科技有限公司 | 一种可用于核酸检测的耐高温反转录酶及其制备方法与应用 |
| CN116515792B (zh) * | 2023-04-10 | 2024-01-26 | 新镁(上海)生物技术有限公司 | Mmlv逆转录酶突变体及其应用 |
| CN119082073B (zh) * | 2024-08-20 | 2025-09-23 | 湖南艾科瑞生物工程有限公司 | 一种耐高温mmlv逆转录酶突变体及其应用 |
| CN119955759B (zh) * | 2025-01-07 | 2025-08-08 | 湖南艾科瑞生物工程有限公司 | 一种mmlv逆转录酶突变体及其应用 |
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| US7078208B2 (en) * | 2000-05-26 | 2006-07-18 | Invitrogen Corporation | Thermostable reverse transcriptases and uses thereof |
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| CN103348004A (zh) | 2013-10-09 |
| EP2673359A4 (en) | 2014-09-03 |
| KR20120091712A (ko) | 2012-08-20 |
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| WO2012108672A9 (en) | 2012-11-01 |
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| EP2902486A1 (en) | 2015-08-05 |
| CN103348004B (zh) | 2015-03-25 |
| EP2902486B1 (en) | 2017-09-27 |
| JP5883036B2 (ja) | 2016-03-09 |
| JP2014506462A (ja) | 2014-03-17 |
| WO2012108672A3 (en) | 2012-12-20 |
| EP2673359A2 (en) | 2013-12-18 |
| US20140045244A1 (en) | 2014-02-13 |
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