[ 3h ] pac binding was increased with addition of 10 microm guanosine triphosphate ( gtp ) ( p less than 0.05 ) and decreased with either 50 microm gtp or guanyl-5'-yl-imidodiphosphate [ gpp ( nh ) p ] ( p less than 0.01 ) .
C0018353
gtp
C0018366
gpp ( nh ) p