Glucoamylase mutant GA3 with improved specific activity and thermal stability, and gene and application thereof
US11512298B2 · kind B2 · utility
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Key dates
| Filing date | Feb 6, 2021 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Feb 6, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/10
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Glucoamylase mutant GA3 with improved specific activity and thermal stability, and its gene and application are provided, belonging to the field of gene engineering. The glucoamylase mutant GA3 of the present invention obtained by sequentially mutation at fixed points starting from wild glucoamylase processes both improved thermal stability and catalytic efficiency, and can be applied to the industries of feed, food, medicine and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.