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Highly stable beta-class carbonic anhydrases useful in carbon capture systems

United States Patent

April 16, 2013
View the Complete Patent at the US Patent & Trademark Office
The present disclosure relates to .beta.-class carbonic anhydrase polypeptides having improved properties including increased thermostability and/or stability in the presence of amine compounds, ammonia, or carbonate ion. The present disclosure also provides formulations and uses of the polypeptides for accelerating the absorption of carbon dioxide from a gas stream into a solution as well as for the release of the absorbed carbon dioxide for further treatment and/or sequestering. Also provided are polynucleotides encoding the carbonic anhydrase polypeptides and host cells capable of expressing them.
Alvizo; Oscar (Fremont, CA), Benoit; Mike (Denver, CO), Novick; Scott (Palo Alto, CA)
Codexis, Inc. (Redwood City, CA)
13/ 174,393
June 30, 2011
1. STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under DE-AR0000071 awarded by the Department of Energy. The Government has certain rights in this invention.