title: Mechanistic structure-activity studies of peptide and nonpeptide flexible opioids: an interdisciplinary approach.
mesh_terms: D000698:Analgesia; D000818:Animals; D001681:Biological Assay; D004723:Endorphins / Q000378:metabolism / Q000494:pharmacology; D007700:Kinetics; D008958:Models, Molecular; D009294:Narcotics / Q000378:metabolism / Q000494:pharmacology; D011487:Protein Conformation; D011957:Receptors, Opioid / Q000187:drug effects / Q000378:metabolism*; D017450:Receptors, Opioid, mu; D013329:Structure-Activity Relationship
chemical_list: D004723:Endorphins; D009294:Narcotics; D011957:Receptors, Opioid; D017450:Receptors, Opioid, mu