a ribonucleoside 5'-diphosphate + GTP <=> a ribonucleoside 5'-triphosphate + GDP
a ribonucleoside 5'-diphosphate + gtp <=> a ribonucleoside 5'-triphosphate + gdp
a ribonucleoside 5'-diphosphate + GTP <=> a ribonucleoside 5'-triphosphate + GDP
a ribonucleoside 5'-diphosphate + gtp <=> a ribonucleoside 5'-triphosphate + gdp