CN112795554A - 耐低温纤维素酶突变体 - Google Patents
耐低温纤维素酶突变体 Download PDFInfo
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- CN112795554A CN112795554A CN201911104793.0A CN201911104793A CN112795554A CN 112795554 A CN112795554 A CN 112795554A CN 201911104793 A CN201911104793 A CN 201911104793A CN 112795554 A CN112795554 A CN 112795554A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2405—Glucanases
- C12N9/2434—Glucanases acting on beta-1,4-glucosidic bonds
- C12N9/2437—Cellulases (3.2.1.4; 3.2.1.74; 3.2.1.91; 3.2.1.150)
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
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- Zoology (AREA)
- Wood Science & Technology (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Enzymes And Modification Thereof (AREA)
Abstract
Description
纤维素酶 | 在40℃条件下的相对酶活 |
野生型NT45 | 60% |
H120Q单点突变体 | 66% |
V130F单点突变体 | 88% |
V130L单点突变体 | 94% |
D179S单点突变体 | 67% |
Claims (10)
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CN202311344960.5A CN117187218A (zh) | 2019-11-13 | 2019-11-13 | 耐低温纤维素酶突变体 |
CN201911104793.0A CN112795554B (zh) | 2019-11-13 | 2019-11-13 | 耐低温纤维素酶突变体 |
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Cited By (3)
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CN115838704A (zh) * | 2022-08-11 | 2023-03-24 | 中国海洋大学 | 脂肪酶突变体及其应用 |
CN116083403A (zh) * | 2022-08-26 | 2023-05-09 | 青岛蔚蓝生物集团有限公司 | 比活力提高的纤维素酶突变体及其应用 |
WO2023225459A2 (en) | 2022-05-14 | 2023-11-23 | Novozymes A/S | Compositions and methods for preventing, treating, supressing and/or eliminating phytopathogenic infestations and infections |
Citations (2)
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CN108463552A (zh) * | 2015-11-16 | 2018-08-28 | 诺维信公司 | 纤维素酶变体和对其编码的多核苷酸 |
WO2018234465A1 (en) * | 2017-06-22 | 2018-12-27 | Novozymes A/S | XYLANASE VARIANTS AND POLYNUCLEOTIDES ENCODING THE SAME |
-
2019
- 2019-11-13 CN CN201911104793.0A patent/CN112795554B/zh active Active
- 2019-11-13 CN CN202311344960.5A patent/CN117187218A/zh active Pending
Patent Citations (3)
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CN108463552A (zh) * | 2015-11-16 | 2018-08-28 | 诺维信公司 | 纤维素酶变体和对其编码的多核苷酸 |
US20190106690A1 (en) * | 2015-11-16 | 2019-04-11 | Novozymes A/S | Cellulase Variants And Polynucleotides Encoding Same |
WO2018234465A1 (en) * | 2017-06-22 | 2018-12-27 | Novozymes A/S | XYLANASE VARIANTS AND POLYNUCLEOTIDES ENCODING THE SAME |
Non-Patent Citations (1)
Title |
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GALAGAN, J.E.等: "endoglucanase V [Neurospora crassa OR74A]", 《GENBANK DATABASE》, pages 957107 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023225459A2 (en) | 2022-05-14 | 2023-11-23 | Novozymes A/S | Compositions and methods for preventing, treating, supressing and/or eliminating phytopathogenic infestations and infections |
CN115838704A (zh) * | 2022-08-11 | 2023-03-24 | 中国海洋大学 | 脂肪酶突变体及其应用 |
CN116083403A (zh) * | 2022-08-26 | 2023-05-09 | 青岛蔚蓝生物集团有限公司 | 比活力提高的纤维素酶突变体及其应用 |
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