ID 3.4.17.2 DE Carboxypeptidase B. AN Protaminase. CA Preferential release of a C-terminal lysine or arginine amino acid. CF Zinc. CC -!- Isolated from cattle, pig and dogfish pancreas, and other sources, CC including skin fibroblasts and adrenal medulla. CC -!- Belongs to peptidase family M14. CC -!- Formerly EC 3.4.2.2 and EC 3.4.12.3. PR PROSITE; PDOC00123; DR P00732, CBPB1_BOVIN; P55261, CBPB1_CANFA; P15086, CBPB1_HUMAN; DR P09955, CBPB1_PIG ; P19223, CBPB1_RAT ; P04069, CBPB_ASTFL ; DR P19628, CBPB_PROAT ; //