Exopeptidase, also calledPeptide terminal lyase, orTelolytic enzyme, YesProteolytic enzymeOne, catalyzing the end of polypeptide chainPeptide bondHydrolysis, free endamino acid。According to the amino end or carboxyl end of the peptide chain sheared, it can be divided intoAminopeptidaseandCarboxy peptidase。In addition, it also includesDipeptidase, cutting dipeptide from the end of polypeptide chainDipeptidyl peptidase。