Patent 7422876 was granted and assigned to Verenium Corporation on September, 2008 by the United States Patent and Trademark Office.
The invention relates to carboxymethyl cellulases and to polynucleotides encoding the carboxymethyl cellulases. In addition methods of designing new carboxymethyl cellulases and method of use thereof are also provided. The carboxymethyl cellulases have increased activity and stability at increased pH and temperature.