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:
Sep. 23, 2025
Filed:
Oct. 18, 2019
Applicant:
Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, CN;
Inventors:
Chaoguang Tian, Tianjin, CN;
Junqi Zhao, Tianjin, CN;
Jingen Li, Tianjin, CN;
Lu Zhang, Tianjin, CN;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 9/00 (2006.01); C07K 14/37 (2006.01); C12P 7/46 (2006.01);
U.S. Cl.
CPC ...
C12N 9/93 (2013.01); C07K 14/37 (2013.01); C12P 7/46 (2013.01); C12Y 604/01001 (2013.01);
Abstract
The present invention provides a class of new mutant proteins for increasing malic acid yield. Specifically, the present invention provides a class of new pyruvate carboxylase mutant protein and malic acid transporter mutant proteins or combinations thereof, a preparation method therefor and use thereof in improving malic acid yield.