in the permeabilized cell preparation , guanosine-5'-o- ( 3-thiotriphosphate ) ( gtp gamma s ) stimulates the accumulation of [ 3h ] insp , [ 3h ] insp2 , [ 3h ] insp3 , and [ 3h ] insp4 .
C0079469
guanosine-5
C0018353
gtp