the non-hydrolyzable guanine triphosphate ( gtp ) analog guanyl-5'-yl beta-gamma-imidodiphosphate ( gppnhp ) inhibited specific high affinity [ 3h ] [ d-ala2 , n-methylphe4 , glyol5 ] enkephalin ( dago ) binding in rat pag-enriched p2 membrane in a dose-dependent manner .
C0014298
enkephalin
C0525773
dago