activation of either the guanosine-5'-triphosphate ( gtp ) binding regulatory protein ( n ) with sodium fluoride ( naf ) and guanyl-5'-yl-imidodiphosphate [ gpp ( nh ) p ] , or the catalytic unit with manganese chloride ( mncl2 ) or forskolin were not different between the two groups .
C0018353
guanosine
C0018366
gpp ( nh ) p