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.

Date of Patent:
Jul. 06, 1999

Filed:

Nov. 10, 1997
Applicant:
Inventors:

Masakazu Sugimoto, Kawasaki, JP;

Tomoko Suzuki, Kawasaki, JP;

Hiroshi Matsui, Kawasaki, JP;

Katsura Izui, Kyoto, JP;

Assignee:

Ajinomoto Co., Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C12N / ;
U.S. Cl.
CPC ...
43525233 ; 4352523 ; 43525232 ; 4353201 ; 536 231 ; 536 232 ; 536 237 ;
Abstract

A phosphoenolpyruvate carboxylase gene, which has mutation such as mutation to replace 625th glutamic acid from the N-terminus of phosphoenolpyruvate carboxylase with lysine, mutation to replace 438th arginine from the N-terminus with cysteine and the like, is introduced into Escherichia coli or coryneform bacteria, so as to produce a phosphoenolpyruvate carboxylase which is not substantially inhibited by aspartic acid, thereby amino acid is efficiently produced.


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