. "Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Na+(in) + K+(out) = ADP + phosphate + Na+(out) + K+(in)." . . . "sodium:potassium-exchanging ATPase activity" . "(Na+ + K+)-activated ATPase activity" . "(Na+ + K+)-ATPase activity" . "ATP phosphohydrolase (Na+/K+-exchanging)" . "Na(+)/K(+)-ATPase activity" . "Na(+)/K(+)-exchanging ATPase activity" . "Na+,K+ pump" . "Na+,K+-ATPase activity" . "Na+/K+-ATPase activity" . "Na+/K+-exchanging ATPase activity" . "Na,K-activated ATPase activity" . "Na,K-pump" . "sodium pump" . "sodium/potassium-exchanging ATPase activity" . "sodium/potassium-transporting ATPase activity" . "sodium:potassium exchanging ATPase activity" . . . .