Xylanases, nucleic acids encoding them and methods for...

Details Xylanases, nucleic acids encoding them and methods for... Xylanases, nucleic acids encoding them and methods for...

2007-02-14

2011-10-25

Desai, Anand (Department: 1652)

Chemistry: molecular biology and microbiology

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

Hydrolase

C435S069100, C435S320100, C435S252300, C536S023200, C800S298000, C800S312000, C800S314000, C800S320000, C800S320100, C800S320200, C800S320300

Reexamination Certificate

active

08043839

ABSTRACT:
The invention relates to enzymes having xylanase, mannanase and/or glucanase activity, e.g., catalyzing hydrolysis of internal β-1,4-xylosidic linkages or endo-β-1,4-ghicanase linkages; and/or degrading a linear polysaccharide beta-1,4-xylan into xylose. Thus, the invention provides methods and processes for breaking down hemicellulose, which is a major component of the cell wall of plants, including methods and processes for hydrolyzing hemicelluloses in any plant or wood or wood product, wood waste, paper pulp, paper product or paper waste or byproduct. In addition, methods of designing new xylanases, mannanases and/or glucanases and methods of use thereof are also provided. The xylanases, mannanases and/or glucanases have increased activity and stability at increased pH and temperature.

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