title: Dynorphin and dynorphin are ligands for the kappa-subtype of opiate receptor.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001681:Biological Assay; D001921:Brain / Q000378:metabolism; D004399:Dynorphins; D004723:Endorphins / Q000378:metabolism*; D004743:Enkephalin, Leucine; D004745:Enkephalins / Q000378:metabolism; D006168:Guinea Pigs; D008024:Ligands; D051379:Mice; D010446:Peptide Fragments / Q000378:metabolism; D011817:Rabbits; D011869:Radioligand Assay; D051381:Rats; D011957:Receptors, Opioid / Q000145:classification / Q000378:metabolism*; D013329:Structure-Activity Relationship
chemical_list: D004723:Endorphins; D004745:Enkephalins; D008024:Ligands; D010446:Peptide Fragments; D011957:Receptors, Opioid; D004743:Enkephalin, Leucine; D004399:Dynorphins