Na(+)(in) + ATP + H2O => Na(+)(out) + ADP + phosphate + H(+)
na(+)(in) + atp + h2o => na(+)(out) + adp + phosphate + h(+)
Na(+)(in) + ATP + H2O => Na(+)(out) + ADP + phosphate + H(+)
na(+)(in) + atp + h2o => na(+)(out) + adp + phosphate + h(+)