title: Dimeric pentapeptide and tetrapeptide enkephalins: new tools for the study of delta opioid receptors.
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism; D004745:Enkephalins / Q000138:chemical synthesis; D006160:Guanosine Triphosphate / Q000494:pharmacology; D066298:In Vitro Techniques; D007700:Kinetics; D008297:Male; D051379:Mice; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*; D017465:Receptors, Opioid, delta
chemical_list: D004745:Enkephalins; D011957:Receptors, Opioid; D017465:Receptors, Opioid, delta; D009270:Naloxone; D006160:Guanosine Triphosphate; D000242:Cyclic AMP