in binding studies using guinea-pig brain homogenates , unlabelled pd117302 had a high affinity ( ki = 3.7 nm ) at [ 3h ] -etorphine labelled kappa sites and a low affinity at [ 3h ] - [ d-ala2 , mephe4 , glyol5 ] -enkephalin ( [ 3h ] -dagol ) labelled mu sites ( ki = 408 nm ) and [ 3h ] -skf 10047 labelled sigma sites ( ki = 1.8 microm ) .
C0014298
enkephalin
C0525773
dagol