Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Oxidoreductase
Reexamination Certificate
2004-08-11
2010-06-22
Raghu, Ganapathirama (Department: 1652)
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Oxidoreductase
C435S069100, C435S320100, C435S091100, C435S006120, C435S252800, C435S254100, C435S254200, C435S254300, C435S254210, C536S023200
Reexamination Certificate
active
07741089
ABSTRACT:
The invention provides laccases, polynucleotides encoding these enzymes, the use of such polynucleotides and polypeptides. In one aspect, the invention relates to the enzymatic production of nootkatone by way of the conversion of valencene using proteins having a laccase activity, e.g., a novel laccase of the invention. In one aspect, the invention provides methods of depolymerizing lignin, e.g., in a pulp or paper manufacturing process, using a polypeptide of the invention. In another aspect, the invention provides methods for oxidizing products that can be mediators of laccase-catalyzed oxidation reactions, e.g., 2,2-azinobis-(3-ethylbenzthiazoline-6-sulfonate) (ABTS), 1-hydroxybenzotriazole (HBT), 2,2,6,6-tetramethylpiperidin-1-yloxy (TEMPO), dimethoxyphenol, and the like.
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Gray Kevin A.
Hiraiwa Masao
Hitchman Tim
Phillips Yoko
Robertson Dan E.
Raghu Ganapathirama
Risser Jennifer L.
Verenium Corporation
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