KR20200072959A - Dna 서열 분석용 형광 단백질 조성물 및 이를 이용한 dna 서열 분석 방법 - Google Patents
Dna 서열 분석용 형광 단백질 조성물 및 이를 이용한 dna 서열 분석 방법 Download PDFInfo
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Abstract
Description
도 1b는 본 발명의 일 실시예에 의해 염색된 DNA 분자를 나타내는 것으로, 화살표는 5'에서 3'까지의 분자 배향을 나타내며, 흰색 프로파일은 λ DNA의 A/T 프리퀀시(스케일 막대: 10 μm)를 나타내고, 각 수치는 교차 상관 값(cc)을 나타낸다.
도 2는 본 발명의 일 실시예에 의해 다양한 농도의 H-NS-mCherry 및 BRCA1-eGFP로 염색된 λ DNA 분자를 나타내는 것으로, 각 수치는 교차 상관 값(cc)을 나타낸다.
도 3a는 본 발명의 일 실시예에 의해 다양한 조합의 형광 단백질-DNA 결합 단백질로 염색된 λ DNA 분자를 나타내는 것으로, 각 조합은 하기와 같다(스케일 막대: 10 μm).
i) H-NS-mCherry 및 BRCA1-eGFP, ⅱ) H-NS-mCherry 및 2(KW)2-eGFP, ⅲ) 2HMG-mCherry 및 BRCA1-eGFP, ⅳ) 2HMG-mCherry 및 2(KW)2-eGFP, ⅴ) H-NS-mCherry 및 2HMG-eGFP, 및 ⅵ) 2(KW)2-mCherry 및 BRCA1-eGFP.
도 3b는 본 발명의 일 실시예에 의해 다양한 조합의 형광 단백질-DNA 결합 단백질로 염색된 λ DNA 분자를 나타내는 것으로, 각 조합은 하기와 같다(스케일 막대: 10 μm).
i) H-NS-mCherry 및 BRCA1-eGFP, ⅱ) H-NS-mCherry 및 2(KW)2-eGFP, ⅲ) 2HMG-mCherry 및 BRCA1-eGFP, 및 ⅳ) 2HMG-mCherry 및 2(KW)2-eGFP.
도 3c는 본 발명의 일 실시예에 의해 다양한 조합의 형광 단백질-DNA 결합 단백질로 염색된 λ DNA 분자의 교차 상관 값을 나타낸 그래프이다(Random: 0.55±0.14, i: 0.84±0.10, ⅱ: 0.87±0.05, ⅲ: 0.84±0.04, ⅳ: 0.86±0.03, v: 0.61±0.15, 및 ⅳ: 0.59±0.11)(*p<0.02, **p<0.005).
도 4는 본 발명의 일 실시예에 의해 H-NS-mCherry 및 BRCA1-eGFP로 염색된 바이러스 게놈 DNA를 나타낸 모식도이다(스케일 막대: 5 μm).
| 서열번호 | 명명 | 염기서열(5'-3') |
| 1 | P1-HNS | ACTTCACATATGATGAGCGAAGCACTTAAAATTCTG |
| 2 | P2-HNS | GCCACCAGAACCACCTTGCTTGATCAGGAAATCGTCG |
| 3 | P3-mCherry | CAAGCAAGGTGGTTCTGGTGGCATGGTGAGCAAGGGCGAGGAG |
| 4 | P4-mCherry | ATTTCAGGATCCCTACTTGTACAGCTCGTCCATGCC |
| 5 | P5-BRCA | TATGCACATATGGTAGAGAGTAATATTGAAGACAAAATATTTGGG |
| 6 | P6-BRCA | GCTCACCATACCGCCGCTGCCACCTTTTGGCCCTCTGTTTCTACCTAG |
| 7 | P7-eGFP | GGTGGCAGCGGCGGTATGGTGAGCAAGGGCGAGGAG |
| 8 | P8-eGFP | TATGCAGGATCCTTACGCCTTGTACAGCTCGTCCATG |
| 9 | P9-HMG-mCherry | ATATTGCATATGACCCCGAAACGCCCGCGCGGCCGCCCGAAAAAAGGCGGCAGCGGCGGC/ATGGTGAGCAAGGGCGAGGAG |
| 10 | P10-HMG-mCherry | ATATTGGGATCCTTAGCCGCCGCTGCCGCCTTTTTTCGGGCGGCCGCGCGGGCGTTTCGGGGT/CTTGTACAGCTCGTCCATGCC |
| 11 | P11-(KW)2-mCherry | ATGTTGCATATGAAATGGAAATGGAAAAAAGCGATGGTGAGCAAGGGCGAGGAG |
| 12 | P12-(KW)2-mCherry | ATGTTGGGATCCTTATTTCCATTTCCATTTTTTCGCCTTGTACAGCTCGTCCATGCC |
| 13 | P13-(KW)2-eGFP | ATGTTGCATATGAAATGGAAATGGAAAAAAGCGATGCGTGAGCAAGGGCGAGGAGC |
| 14 | P14-(KW)2-eGFP | ATGTTGGGATCCTTATTTCCATTTCCATTTTTTCGCCTTGTACAGCTCGTCCATGCC |
| 15 | P15-HMG-eGFP | ATATTGCATATGACCCCGAAACGCCCGCGCGGCCGCCCGAAAAAAGGCGGCAGCGGCGGCATGCGTGAGCAAGGGCGAGGAGC |
| 16 | P16-HMG-eGFP | ATATTGGGATCCTTAGCCGCCGCTGCCGCCTTTTTTCGGGCGGCCGCGCGGGCGTTTCGGGGTCTTGTACAGCTCGTCCATGCC |
Claims (9)
- 제1 형광 단백질이 결합된 A/T(아데닌/티민)-특이적 DNA 결합 단백질; 및
제2 형광 단백질이 결합된 A/T-비특이적 DNA 결합 단백질을 포함하는 DNA 서열 분석용 조성물. - 제 1 항에 있어서, 상기 제1 형광 단백질 및 제2 형광 단백질은 서로 다른 색을 나타내는 것인, DNA 서열 분석용 조성물.
- 제 1 항 또는 제 2 항에 있어서, 상기 제1 형광 단백질은 mCherry인 것인, DNA 서열 분석용 조성물.
- 제 1 항 또는 제 2 항에 있어서, 상기 제2 형광 단백질은 eGFP(enhanced Green fluorescent protein)인 것인, DNA 서열 분석용 조성물.
- 제 1 항에 있어서, 상기 A/T-특이적 DNA 결합 단백질은 히스톤-유사 뉴클레오이드-구조(histone-like nucleoid-structuring; H-NS) 단백질 또는 고 이동성 그룹(high mobility group; HMG)인 것인, DNA 서열 분석용 조성물.
- 제 1 항에 있어서, 상기 A/T-비특이적 DNA 결합 단백질은 BRCA1(breast cancer 1) 단백질 또는 하기 화학식 1의 구조를 갖는 단백질로서,
(XY)n [화학식 1],
상기 X 및 Y는 각각 독립적으로 라이신(K), 트립토판(W) 또는 이들의 유도체로부터 독립적으로 선택되는 임의의 아미노산이고,
상기 n은 1 내지 5의 정수인 것인, DNA 서열 분석용 조성물. - 시료에 제 1 항의 조성물을 처리하는 단계를 포함하는 DNA 서열 분석 방법.
- 제 7 항에 있어서, 상기 방법은 분석 대상의 전체 게놈(Genome) A/T(아데닌/티민) 프리퀀시(Frequency)와 상기 조성물을 처리한 시료의 A/T 프리퀀시를 비교하는 단계를 더 포함하는 것인, DNA 서열 분석 방법.
- 제 7 항에 있어서, 상기 시료는 단일 DNA 분자(Single DNA molecule)인 것인, DNA 서열 분석 방법.
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| KR1020180161115A KR102145006B1 (ko) | 2018-12-13 | 2018-12-13 | Dna 서열 분석용 형광 단백질 조성물 및 이를 이용한 dna 서열 분석 방법 |
| US16/427,438 US11466322B2 (en) | 2018-12-13 | 2019-05-31 | Flourescent protein composition for DNA sequence analysis and method for DNA sequence analysis using same |
| US17/901,028 US12540356B2 (en) | 2018-12-13 | 2022-09-01 | Flourescent protein composition for DNA sequence analysis and method for DNA sequence analysis using same |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100055701A1 (en) * | 2008-08-27 | 2010-03-04 | Yigang Tong | Fusion proteins for imaging the nucleus and chromosomes of live cells |
| KR20120071191A (ko) * | 2010-12-22 | 2012-07-02 | 삼성전자주식회사 | 표적 핵산의 염기 서열을 결정하기 위한 키트 및 이를 이용한 표적 핵산의 염기 서열을 결정하는 방법 |
| KR20160115553A (ko) * | 2015-03-27 | 2016-10-06 | 서강대학교산학협력단 | Dna 결합 펩타이드를 포함하는 dna 염색용 조성물 |
| KR20180097956A (ko) | 2017-02-24 | 2018-09-03 | 홍익대학교 산학협력단 | 신규한 원적색 형광 단백질 |
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- 2018-12-13 KR KR1020180161115A patent/KR102145006B1/ko active Active
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- 2019-05-31 US US16/427,438 patent/US11466322B2/en active Active
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- 2022-09-01 US US17/901,028 patent/US12540356B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100055701A1 (en) * | 2008-08-27 | 2010-03-04 | Yigang Tong | Fusion proteins for imaging the nucleus and chromosomes of live cells |
| KR20120071191A (ko) * | 2010-12-22 | 2012-07-02 | 삼성전자주식회사 | 표적 핵산의 염기 서열을 결정하기 위한 키트 및 이를 이용한 표적 핵산의 염기 서열을 결정하는 방법 |
| KR20160115553A (ko) * | 2015-03-27 | 2016-10-06 | 서강대학교산학협력단 | Dna 결합 펩타이드를 포함하는 dna 염색용 조성물 |
| KR20180097956A (ko) | 2017-02-24 | 2018-09-03 | 홍익대학교 산학협력단 | 신규한 원적색 형광 단백질 |
Non-Patent Citations (1)
| Title |
|---|
| Analyst, 144(3): 921-927 (2018.10.08.*)* * |
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| US20230136510A1 (en) | 2023-05-04 |
| KR102145006B1 (ko) | 2020-08-14 |
| US20200190580A1 (en) | 2020-06-18 |
| US11466322B2 (en) | 2022-10-11 |
| US12540356B2 (en) | 2026-02-03 |
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