Dipeptidyl-peptidase III (, dipeptidyl aminopeptidase III, dipeptidyl arylamidase III, enkephalinase B, red cell angiotensinase) is an enzyme. This enzyme catalyses the following chemical reaction Release of an N-terminal dipeptide from a peptide comprising four or more residues, with broad specificity. Also acts on dipeptidyl 2-naphthylamides. This cytosolic peptidase that is active at neutral pH. References External links EC 3.4.14