title: C fragment of lipotropin has a high affinity for brain opiate receptors.
mesh_terms: D000595:Amino Acid Sequence; D001667:Binding, Competitive; D001921:Brain / Q000378:metabolism*; D009022:Morphine Derivatives / Q000378:metabolism; D009270:Naloxone / Q000378:metabolism; D009419:Nerve Tissue Proteins / Q000378:metabolism; D009892:Opium; D010455:Peptides / Q000378:metabolism; D011188:Potassium / Q000494:pharmacology; D011955:Receptors, Drug / Q000187:drug effects; D012964:Sodium / Q000494:pharmacology; D013329:Structure-Activity Relationship; D008083:beta-Lipotropin / Q000378:metabolism*
chemical_list: D009022:Morphine Derivatives; D009419:Nerve Tissue Proteins; D010455:Peptides; D011955:Receptors, Drug; D009270:Naloxone; D009892:Opium; D008083:beta-Lipotropin; D012964:Sodium; D011188:Potassium