Carboxypeptidaseb; Protaminase; N-(3-Carboxypropanoyl)alanylalanyl-N-[1-(benzylsulfanyl)-1-oxo-3-phenyl-2-propanyl]prolinamide; Peptidyl-L-lysine(L-arginine) hydrolase; Carboxypeptidase B from human pancreas; Protaminase,AEBSF treated; PROTEIN CARBOXYPEPTIDASE B; PEPTIDYL-L-LYSINE[L-ARGININE] HYDROLASE; CARBOXYPEPTIDASE B, PORCINE PANCREAS; EC 3.4.17.2; carboxypeptidase B from hog pancreas; RecoMbinant Carboxypeptidase B