ID 3.4.23.19 DE Aspergillopepsin II. AN Aspergillus niger var. macrosporus aspartic proteinase. AN Proctase A. AN Proteinase A. CA Preferential cleavage in B chain of insulin: 3-Asn-|-Gln-4, 13-Gly-|-Ala- CA 14, and 26-Tyr-|-Thr-27. CC -!- Isolated from Aspergillus niger var. macrosporus, distinct from CC aspergillopepsin I in specificity and insensitivity to pepstatin. CC -!- Belongs to peptidase family A4. CC -!- Formerly EC 3.4.23.6. PR PROSITE; PDOC00128; DR P24665, PRTA_ASPNG ; //