【発明の名称】熱、酸及び/またはアルカリに高い安定性を有する細菌由来突然変異体α―アミラーゼ

Japanese Patent JP3086249

B2

Thermostable and acid stable alpha -amylases are provided as expression products of genetically engineered alpha -amylase genes isolated from microorganisms, preferably belonging to the class of Bacilli. Both chemical and enzymatic mutagenesis methods are e.g. the bisulphite method and enzymatic misincorporation on gapped heteroduplex DNA. The mutant alpha -amylases have superior properties, e.g. improved thermostability over a broad pH range, for industrial application in starch processing and textile desizing.

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Crows Wilhelms Johannes
La Roche Eve
Volebrecht Adrinus Wilhelms Hermanus
Stan Saint Patrick
Roverey marc

JP50995990A

September 11, 2000

June 27, 1990

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Genenco International Inc.
Plant Genetic Systems Namrose Fennault Shap

C12N1/21; C12N9/26; C12N9/28; C12N15/09; C12N15/56; C12N15/70; C12N15/75; C12S3/12; C12P19/14; D06L1/14; D06M16/00; C12R1/07; C12R1/10; C12R1/125; C12R1/19; C12N; (IPC1-7): C12N9/28; D06L1/14; C12P19/14; C12N15/09; C12N1/21

【文献】Protein Eng.1(3)p.241(1987)

Minoru Nakamura (6 outside)

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