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Thermostable purified endoglucanase II from Acidothermus cellulolyticus ATCC

United States Patent

*** EXPIRED ***
5,366,884
November 22, 1994
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Cellulase Enzymes for the Conversion of Biomass to Biofuels and Chemicals
A purified low molecular weight endoglucanase II from Acidothermus cellulolyticus (ATCC 43068) is disclosed. The endoglucanase is water soluble, possesses both C.sub.1, and C.sub.x types of enzyme activity, a high degree of stability toward heat, and exhibits optimum temperature activity at about 81.degree. C. at pH's from about 2 to about 9, and at a inactivation temperature of about 100.degree. C. at pH's from about 2 to about 9.
Adney; William S. (Golden, CO), Thomas; Steven R. (Denver, CO), Nieves; Rafael A. (Lakewood, CO), Himmel; Michael E. (Littleton, CO)
Midwest Research Institute (Kansas City, MO)
08/ 125,115
September 21, 1993
The United States Government has rights in this invention pursuant to Contract No. DE-ACO2-83CH10093 between the United States Department of Energy and the Midwest Research Institute.