Dynorphin interaction at the kappa-opiate site.
D000818:Animals; D003496:Cyclazocine / Q000031:analogs & derivatives / Q000494:pharmacology; D004399:Dynorphins; D004558:Electric Stimulation; D004723:Endorphins / Q000494:pharmacology*; D016314:Ethylketocyclazocine / Q000031:analogs & derivatives*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D009197:Myenteric Plexus / Q000187:drug effects; D011957:Receptors, Opioid / Q000187:drug effects*; D017473:Receptors, Opioid, kappa
D004723:Endorphins; D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D016314:Ethylketocyclazocine; C012395:ketazocine; D004399:Dynorphins; D003496:Cyclazocine