Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase
Patent
1997-11-03
1999-06-29
Wax, Robert A.
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Hydrolase
435325, 4352523, 43525233, 43525411, 43525231, 4352542, 4353201, 435277, 435278, 435209, 536 231, 536 232, 536 237, 536 2371, C12N 924, C07H 2104
Patent
active
059167955
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 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.
Kang et al., Korean J. Appl. Microbiol. Bioeng. 14:447-453.
Ball et al., Proc. 8th Intl. Symposium on Wood and Pulping Chemistry, Jun. 6-9, 1995, Helsinki, Finland, pp. 395-400.
Fukunaga Nobuyuki
Iwasaki Yuji
Izumi Yoshiya
Kita Yukio
Kono Satoko
Nashed Nashaat T.
New Oji Paper Company Ltd.
Wax Robert A.
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