the enzyme specifically cleaved the lys-arg pairs of pro-opiomelanocortin to yield mr = to 21,000-23,000 acth , beta-lipotropin , mr 13,000 and 4,500 acth , beta-endorphin , and a mr = 16,000 nh2-terminal glycopeptide , the products synthesized by the pituitary intermediate lobe in situ .
C0033195
pro-opiomelanocortin
C0023832
beta-lipotropin