label: a ribonucleoside 5'-triphosphate + pyruvate = a ribonucleoside 5'-diphosphate + phosphoenolpyruvate + H(+)
label_lc: a ribonucleoside 5'-triphosphate + pyruvate = a ribonucleoside 5'-diphosphate + phosphoenolpyruvate + h(+)