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