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. 09, 2025
Filed:
Oct. 04, 2019
Applicant:
Anna University, Chennai, IN;
Inventors:
Akila Thirumalai, Chennai, IN;
Padmapriya Ganapathy Raman, Chennai, IN;
Anitha Janet Roshni Yesudhas, Chennai, IN;
Tamilselvan Jayavelu, Kanchipuram, IN;
Nikhil Sangith, Palakkad, IN;
Mahalakshmi Natarajan, Chennai, IN;
Pandiraj Suppuram, Srivilliputtur Taluk, IN;
Ramalingam Subramanian, Chennai, IN;
Assignee:
ANNA UNIVERSITY, Chennai, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 13/04 (2006.01); C12N 1/21 (2006.01); C12N 9/04 (2006.01); C12N 9/06 (2006.01); C12N 9/10 (2006.01); C12N 9/12 (2006.01); C12N 9/88 (2006.01);
U.S. Cl.
CPC ...
C12P 13/04 (2013.01); C12N 9/0006 (2013.01); C12N 9/0016 (2013.01); C12N 9/1022 (2013.01); C12N 9/1029 (2013.01); C12N 9/1217 (2013.01); C12N 9/88 (2013.01); C12Y 101/01085 (2013.01); C12Y 104/01008 (2013.01); C12Y 202/01006 (2013.01); C12Y 203/01008 (2013.01); C12Y 207/02001 (2013.01); C12Y 207/02015 (2013.01); C12Y 402/01009 (2013.01); C12Y 402/01033 (2013.01); C12Y 402/01035 (2013.01);
Abstract
The present invention relates to preparation of key drug intermediate, L-2-amino butyric acid (L-2-ABA) by a method of cell free system and biotransformation using genetically engineered strains from easily available economic substrates like citramalate or citraconate and enzymes like LeuCD, LeuB and ValDH or IlvE.