binding of dermorphin to the two major opioid receptor types , mu and delta , in rat brain membranes was examined by displacement of [ 3h ] [ d-ala2 , mephe4 , gly- ( ol ) 5 ] enkephalin ( dago ) and [ 3h ] - [ d-ala2 , d-leu5 ] -enkephalin ( dadle ) binding .
C0525773
dago
C0014298
enkephalin