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US 8,507,243 B2Granted
Alpha-amylase blends and methods for using said blends
AssigneeDanisco US Inc.
InventorsBradley A. Paulson, Vivek Sharma, Jayarama K. Shetty
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Abstract
The present invention relates to an alpha-amylase blend, including a B. stearothermophilus alpha-amylase (AmyS) wherein the amino acid at position S242 is substituted and a B. licheniformis alpha-amylase The invention also relates to processes using the alpha-amylase blends for starch liquefaction and saccharification, ethanol production, and a sweetener production.
Claims13
An alpha-amylase blend, comprising:
- (i) a B. stearothermophilus alpha-amylase (AmyS) comprising the polypeptide sequence of SEQ ID NO:
- 2, wherein the amino acid at position S242 is substituted, using the amino acid number system shown in SEQ ID NO:
- 2;
- and
- (ii) a B. licheniformis alpha-amylase.
2 more elements
Dependencies are inferred from the claim text.