opioid-receptor binding and the opioid-mediated stimulation of low km gtpase and inhibition of adenylate cyclase were studied in membranes derived from ng 108-15 cells pretreated with either the opioid peptide [ d-ala2 , d-leu5 ] enkephalin ( dadle ) or morphine .
C0205753
opioid peptide
C0014298
enkephalin