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