P(1),P(4)-bis(5'-guanosyl) tetraphosphate + diphosphate => 2 GTP + H(+)
p(1),p(4)-bis(5'-guanosyl) tetraphosphate + diphosphate => 2 gtp + h(+)
P(1),P(4)-bis(5'-guanosyl) tetraphosphate + diphosphate => 2 GTP + H(+)
p(1),p(4)-bis(5'-guanosyl) tetraphosphate + diphosphate => 2 gtp + h(+)