The molecule is a ribonucleoside triphosphate oxoanion that is the hexaanion of guanosine 3'-diphosphate 5'-triphosphate; major species at pH 7.3. It is a conjugate base of a guanosine 3'-diphosphate 5'-triphosphate. It is a conjugate acid of a guanosine 3'-diphosphate 5'-triphosphate(7-).
[[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-4-hydroxy-3-[[hydroxy(oxido)phosphoryl]oxy-oxidophosphoryl]oxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl] phosphate