to investigate the possibility that the opioid peptide precursor proenkephalin a was glycosylated , we utilized an antiserum raised against the cooh terminus of met-enkephalin arg6-gly7-leu8 ( mergl ) to identify and characterize enkephalin-containing peptides from extracts of bovine adrenal medulla .
C0014295
met-enkephalin
C0014298
enkephalin