1996 Volume 60 Issue 3 Pages 496-497
A mutant carboxypeptidase Z from Absidia zychae in which Gly137 was replaced by Ala by site-directed mutagenesis was constructed and expressed in Saccharomyces cerevisiae YPH250. The mutant enzyme hydrolyzed C-tetminal Pro-X bonds (X=amino acid) more efficiently than the wild-type enzyme and sequentially released amino acids from the C-termini of oligopeptides.
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