title: Opioid peptide processing and receptor selectivity.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000502:physiology*; D004745:Enkephalins / Q000502:physiology; D006801:Humans; D011333:Pro-Opiomelanocortin / Q000502:physiology; D011498:Protein Precursors / Q000502:physiology; D011957:Receptors, Opioid / Q000378:metabolism / Q000502:physiology*
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011498:Protein Precursors; D011957:Receptors, Opioid; C029992:proenkephalin; D011333:Pro-Opiomelanocortin