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:
Jan. 18, 2000
Filed:
Apr. 18, 1997
Applicant:
Inventors:
Assignee:
Development Center for BioTechnology, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435232 ; 435106 ; 435109 ; 43525233 ; 536 232 ;
Abstract
Disclosed is a mutant aspartase comprising the amino acid sequence of a wild-type E. coli aspartase wherein the amino acid residue at one of positions 25, 123, 421 and 463 is substituted. Also disclosed is a process for preparing the above mutant aspartase.