title: Opioid hexapeptides and heptapeptides in adrenal medulla and brain possible implications on the biosynthesis of enkephalins.
mesh_terms: D000313:Adrenal Medulla / Q000032:analysis* / Q000378:metabolism; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001923:Brain Chemistry; D002417:Cattle; D002460:Cell Line; D004723:Endorphins / Q000032:analysis*; D004743:Enkephalin, Leucine / Q000031:analogs & derivatives*; D004744:Enkephalin, Methionine / Q000031:analogs & derivatives; D004745:Enkephalins / Q000032:analysis* / Q000096:biosynthesis; D005910:Glioma; D006822:Hybrid Cells / Q000378:metabolism; D009447:Neuroblastoma; D011957:Receptors, Opioid / Q000378:metabolism
chemical_list: D000596:Amino Acids; D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid; D004744:Enkephalin, Methionine; D004743:Enkephalin, Leucine; C027511:enkephalin-Met, Arg(6)-Phe(7)-; C026768:enkephalin-Leu, Arg(6)-; C028718:enkephalin-Met, Lys(6)-; C028719:enkephalin-Met, Arg(6)-; C028717:enkephalin-Met, Arg(6,7)-