Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Na+(in) -> ADP + phosphate + Na+(out), by a rotational mechanism.
Comment:
Found in some halophilic or alkalophilic bacteria that functions in maintaining sodium homeostasis; similar to EC:7.1.2.2 but pumps Na+ rather than H+. (Source: EC:7.2.2.1)
ATP phosphohydrolase (Na+-transporting) activity; ATP synthase, sodium ion specific activity; Na(+)-transporting two-sector ATPase activity; Na+-translocating ATPase activity