Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Oxidoreductase
Patent
1998-06-26
1999-07-06
Wax, Robert A.
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Oxidoreductase
435191, 4352523, 43525233, 4353201, 536 232, C12N 906
Patent
active
059196831
ABSTRACT:
The invention provides a novel flavin reductase, which has been isolated from Rhodococcus strain sp. IGTS8 and purified to homogeneity. The flavin reductase is of use in the biocatalytic desulfurization of a fossil fuel containing organic sulfur compounds. The method comprises the steps of (1) contacting the fossil fuel with an aqueous phase containing a biocatalyst capable of cleaving carbon-sulfur bonds and a rate-enhancing amount of the flavin reductase of the present invention, thereby forming a fossil fuel and aqueous phase mixture; (2) maintaining the mixture under conditions sufficient for cleavage of the carbon-sulfur bonds of the organic sulfur molecules by the biocatalyst, thereby resulting in a fossil fuel having a reduced organic sulfur content; and (3) separating the fossil fuel having a reduced organic sulfur content from the resulting aqueous phase.
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Childs John D.
Gray Kevin A.
Squires Charles H.
Energy BioSystems Corporation
Nashed Nashaat T.
Wax Robert A.
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