Alkaline cellulase and process for producing the same

Details Alkaline cellulase and process for producing the same Alkaline cellulase and process for producing the same

1989-04-14

1991-09-03

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Enzyme , proenzyme; compositions thereof; process for...

Hydrolase

435188, C12N 942

Patent

active

050454641

ABSTRACT:
A novel alkaline cellulase is disclosed. The alkaline cellulase is produced by Bacillus sp KSM-635 (FERM BP-1485) and possesses: (1) C.sub.x enzyme activity to act on carboxymethyl cellulose and weak C.sub.1 enzyme .beta.-glucosidase activities, (2) substrate specificity to act on carboxymethyl cellulose, cellulose cotton, Avicel, filter paper, cellobiose, and p-nitrophenyl cellobioside, (3) a working pH range of 4-12 and an optimum pH range of 9-10, (4) stable pH range of 4.5-10.5 when allowed to stand at 40.degree. C. for 10 minutes, and (5) working temperature range of 10.degree.-65.degree. C. and optimum temperature range at around 40.degree. C. Its activity is not inhibited by chelating agents nor by surface active agents. It is particularly effective as an additive for laundry detergent compositions.

REFERENCES:
patent: 4822516 (1989-04-01), Suzuki et al.

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