the protein extracts of the lobes were analyzed for the incorporation of the labelled amino acid into total protein , pro-opiomelanocortin , beta-lipotropin ( beta-lph ) and beta-endorphin . the biosynthesized products were purified by immunoprecipitation with an antiserum to beta-endorphin .
C0033195
pro-opiomelanocortin
C0023832
beta-lipotropin