ID 3.4.23.2 DE Pepsin B. AN Parapepsin I. CA Degradation of gelatin; little activity on hemoglobin. Specificity on B CA chain of insulin more restricted than that of pepsin A; does not cleave CA 1-Phe-|-Val-2, 4-Gln-|-His-5 or 23-Gly-|-Phe-24. CC -!- Belongs to peptidase family A1. CC -!- Formerly EC 3.4.4.2. PR PROSITE; PDOC00128; DR Q8SQ41, PEPB_CANFA ; Q10735, PEPB_PIG ; //