Thermostable xylanase

Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Treating animal or plant material or micro-organism

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Details

435200, 435277, C12N 924, C12S 300, C12S 308

Patent

active

057363846

ABSTRACT:
The invention relates to a thermostable xylanase selected from xylanase XP1 having a molecular weight of about 22,500, an isoelectric point at around 8.1 and an optimum temperature for reaction of 70.degree. C. or xylanase XP2 having a molecular weight of about 32,000, an isoelectric point at around 8.5 and an optimum temperature for reaction of 80.degree. C., a gene encoding for the thermostable xylanase, a method for producing the xylanase, applications of the xylanase, a bleaching agent containing the xylanase as an active ingredient, a method for bleaching pulp by using the bleaching agent and Bacillus sp. 2113 and Bacillus sp. 208 both having an ability to produce a thermostable xylanase.

REFERENCES:
patent: 5369024 (1994-11-01), Jeffries et al.
Okazaki et al., Agric. Biol. Chem. 49:2033-2039, 1985.
Kang et al., Korean J. Appl. Microbiol. Bioeng. 14:447-453, 1986.
Ball et al., Proc. 8th Intl. Symposium on Wood and Pulping Chemistry, Jun. 6-9, 1995, Helsinki, Finland, pp. 395-400, 1995.

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