The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7592166 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 22, 2009

Filed:

Sep. 19, 2003
Applicants:

Michihiko Kataoka, Kyoto, JP;

Sakayu Shimizu, Kyoto, JP;

Inventors:

Michihiko Kataoka, Kyoto, JP;

Sakayu Shimizu, Kyoto, JP;

Assignee:

DSM IP Assets B.V., TE Heerlen, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 7/26 (2006.01); C12P 5/02 (2006.01); C12N 9/02 (2006.01); C12N 15/74 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is an isolated DNA comprising a nucleotide sequence coding for an enzyme having enone reductase activity wherein the enzyme is characterized by the following physico-chemical properties: (a) molecular mass: 61,300±5,000 Da (estimated using gel filtration, consisting of one subunit); (b) co-factor: NADPH and NADH; (c) substrate specificity: active on α,β-unsaturated ketons; (d) optimum temperature: 55-60° C. at pH 7.4; and (e) optimum pH: pH 4.5-8.5.


Find Patent Forward Citations

Kataoka, Michihiko. (2009). Enone reductase gene and microbial production of levodione (U.S. Patent No. 7592166). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7592166

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