title: Is dynorphin a k ligand?
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D003496:Cyclazocine / Q000031:analogs & derivatives / Q000378:metabolism; D004399:Dynorphins; D004723:Endorphins / Q000378:metabolism*; D016314:Ethylketocyclazocine; D011957:Receptors, Opioid / Q000378:metabolism*; D017473:Receptors, Opioid, kappa
chemical_list: D004723:Endorphins; D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D016314:Ethylketocyclazocine; D004399:Dynorphins; D003496:Cyclazocine