Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fred Fenel0
Matti Leisola0
Ossi Turunen0
Date of Patent
May 18, 2010
0Patent Application Number
109122720
Date Filed
August 5, 2004
0Patent Primary Examiner
Patent abstract
The present invention relates to protein engineering, and concerns especially family G/11 xylanases, and genes encoding said enzymes. In specific, the invention concerns Trichoderma reesei XYNII gene, which codes for endo-1,4-β-xylanase (EC 3.2.1.8). The invention describes how site-directed mutagenesis can be used to improve the properties of an enzyme to match the industrial conditions where it is used. Protein engineering can be used to improve thermoactivity and thermostability of xylanases, as well as to broaden their pH range.
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