title: Binding characteristics of a potent enkephalin analog.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D004723:Endorphins / Q000378:metabolism*; D004745:Enkephalins / Q000378:metabolism*; D007425:Intracellular Membranes / Q000378:metabolism; D007457:Iodine Radioisotopes; D007700:Kinetics; D008297:Male; D008928:Mitochondria / Q000378:metabolism; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*; D013329:Structure-Activity Relationship; D013574:Synaptosomes / Q000378:metabolism
chemical_list: D004723:Endorphins; D004745:Enkephalins; D007457:Iodine Radioisotopes; D011957:Receptors, Opioid