a ribonucleoside 5'-phosphate + phosphate + H(+) => a ribonucleoside 5'-diphosphate + H2O
a ribonucleoside 5'-phosphate + phosphate + h(+) => a ribonucleoside 5'-diphosphate + h2o
a ribonucleoside 5'-phosphate + phosphate + H(+) => a ribonucleoside 5'-diphosphate + H2O
a ribonucleoside 5'-phosphate + phosphate + h(+) => a ribonucleoside 5'-diphosphate + h2o