ID 3.4.17.2 DE carboxypeptidase B. AN protaminase. CA Preferential release of a C-terminal lysine or arginine amino acid. 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. DR P00732, CBPB1_BOVIN; P55261, CBPB1_CANLF; P15086, CBPB1_HUMAN; DR P09955, CBPB1_PIG ; P19223, CBPB1_RAT ; P04069, CBPB_ASTAS ; DR Q3T905, CBPB_HELZE ; P19628, CBPB_PROAT ; //