gel chromatography studies suggested the presence of an approximately 3.5,000-molecular weight ( mol wt ) species , putatively beta-ep , an approximately 11.5,000-mol-wt species , putatively beta-lipotropin , and a higher molecular weight species ( putative beta-ep precursor , pro-opiomelanocortin ( pomc ) .
C0023832
beta-lipotropin
C0033195
pro-opiomelanocortin