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.:
Date of Patent:
Dec. 26, 1989
Filed:
Jun. 19, 1987
Applicant:
Inventor:
Koji Ushizawa, Tokyo, JP;
Assignee:
Daiichi Pure Chemicals Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ; C12N / ;
U.S. Cl.
CPC ...
435 25 ; 435 28 ; 435192 ;
Abstract
Disclosed herein is a 3.alpha.-hydroxysteroid oxidase which oxidizes a 3.alpha.-hydroxysteroid into a 3-oxosteroid and hydrogen peroxide. The oxidase may preferably be obtained from a culture broth of Pseudomonas testosteroni (ATCC 11996). The oxidase is useful for the quantitative analysis of a 3.alpha.-hydroxysteroid. Method and reagent useful for the quantitative analysis of a 3.alpha.-hydroxysteroid are also disclosed.