Abstract: New mutant penicillin G acylases preferably from E. coli are provided, exhibiting altered enzymatic activity. These penicillin G acylases are obtained by expression of a gene encoding said penicillin G acylase having an amino acid sequence which differs at least in one amino acid from the wild-type penicillin G acylase.
Type:
Grant
Filed:
October 31, 1997
Date of Patent:
June 11, 2002
Assignee:
Bristol-Myers Squibb Co.
Inventors:
Li You, John James Usher, Brenda Joyce White, Jiri Novotny