title: D-Tyr--Ser-Gly--Phe--Leu--Thr, a highly preferential ligand for delta-opiate receptors.
mesh_terms: D000818:Animals; D001681:Biological Assay; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D008024:Ligands; D051379:Mice; D009119:Muscle Contraction / Q000187:drug effects; D009842:Oligopeptides / Q000138:chemical synthesis / Q000378:metabolism* / Q000494:pharmacology; D011957:Receptors, Opioid / Q000378:metabolism*; D013329:Structure-Activity Relationship
chemical_list: D008024:Ligands; D009842:Oligopeptides; D011957:Receptors, Opioid