title: [Structure of proenkephalin].
mesh_terms: D000313:Adrenal Medulla / Q000032:analysis; D000818:Animals; D001483:Base Sequence; D002417:Cattle; D006224:Cricetinae; D004745:Enkephalins / Q000032:analysis / Q000302:isolation & purification; D006801:Humans; D011498:Protein Precursors / Q000032:analysis / Q000302:isolation & purification; D051381:Rats
chemical_list: D004745:Enkephalins; D011498:Protein Precursors; C029992:proenkephalin