micromolar concentrations of the nonhydrolyzable gtp analog 5'-guanylylimidodiphosphate [ gpp ( nh ) p ] displace the bound agonist in a dose-dependent manner , with half-maximal displacement occurring in a concentration range of 0.1-0.5 microm , and maximum displacement occurring at a concentration of 50 microm gpp ( nh ) p .
C0018353
gtp
C0018366
gpp ( nh ) p