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Abstract
A novel activity of penicillin G acylase from E. coli is presented. This enzyme, immobilized onto agarose gels by multipoint covalent attachment, was used for removing the benzyloxycarbonyl (Z) amino protecting group from selected amino acids and oligopeptides in different reaction systems. Quantitative deprotection yields were obtained for simple amino acids, while the efficiency with oligopeptides varied depending on the sequence.