the beta-naphthylamide of phe-pro-ala , modeled after the nh2-terminal tripeptide sequence of the phenylalanyl monomer of bovine growth hormone , was cleaved by the peptidase into the tripeptide and b-naphthylamine and served as a substrate for assay of the eznyme .
C0002508
nh2
C0000300
b-naphthylamine