title: Unsulfated C-terminal 7-peptide of cholecystokinin: a new ligand of the opiate receptor.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D001681:Biological Assay; D001921:Brain / Q000378:metabolism; D002766:Cholecystokinin / Q000378:metabolism* / Q000494:pharmacology; D004723:Endorphins / Q000378:metabolism; D004745:Enkephalins / Q000378:metabolism; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D007700:Kinetics; D008024:Ligands; D008297:Male; D010446:Peptide Fragments / Q000378:metabolism; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*; D013329:Structure-Activity Relationship
chemical_list: D004723:Endorphins; D004745:Enkephalins; D008024:Ligands; D010446:Peptide Fragments; D011957:Receptors, Opioid; D002766:Cholecystokinin