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Title: Cellulase variants

Patent ·
OSTI ID:1193384

This invention provides novel variant cellulolytic enzymes having improved activity and/or stability. In certain embodiments the variant cellulotyic enzymes comprise a glycoside hydrolase with or comprising a substitution at one or more positions corresponding to one or more of residues F64, A226, and/or E246 in Thermobifida fusca Cel9A enzyme. In certain embodiments the glycoside hydrolase is a variant of a family 9 glycoside hydrolase. In certain embodiments the glycoside hydrolase is a variant of a theme B family 9 glycoside hydrolase.

Research Organization:
Novozymes, A/S, Bagsvaerd (Denmark)
Sponsoring Organization:
USDOE
DOE Contract Number:
SC0002302
Assignee:
Novozymes, A/S (Bagsvaerd, DK)
Patent Number(s):
9,080,162
Application Number:
14/111,321
OSTI ID:
1193384
Resource Relation:
Patent File Date: 2012 Apr 11
Country of Publication:
United States
Language:
English

References (4)

Increased Crystalline Cellulose Activity via Combinations of Amino Acid Changes in the Family 9 Catalytic Domain and Family 3c Cellulose Binding Module of Thermobifida fusca Cel9A journal February 2010
Integration of Computer Modeling and Initial Studies of Site-Directed Mutagenesis to Improve Cellulase Activity on Cel9A from <I>Thermobifida fusca </I> journal January 2004
Kinetic Studies of Thermobifida fusca Cel9A Active Site Mutant Enzymes journal August 2004
Processivity, Substrate Binding, and Mechanism of Cellulose Hydrolysis by Thermobifida fusca Cel9A journal March 2007

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