A condensation product of two amino acids involving at least one condensing group other than the alpha-carboxyl or alpha-amino group; e.g., glutathione. ... (05 Mar 2000) ... 
Type: Term Pronunciation: pep′ti-doyd Definitions: 1. A condensation product of two amino acids involving at least one condensing group other than the α-carboxyl or α-amino group; glutathione.