Article
Improvement of the applicability of carboxypeptidase Y in peptide synthesis by protein engineering.
Peptide research - 1 Jan 2000
Raaschou-Nielsen M, Mortensen U H, Olesen K, Breddam K
Abstract excerpt
Asn51 and Glu145 of (serine) carboxypeptidase Y function as binding sites for the C-terminal carboxylate group of peptide substrates, and Glu65 is involved in orienting these two amino acid residues. A series of mutants of carboxypeptidase Y where these three amino acid residues have been replaced were investigated for their applicability in transacylation reactions with amino acid esters as acceptors. With...
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