. "Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Mg2+(out) -> ADP + phosphate + Mg2+(in)." . . . "magnesium-importing ATPase activity" . "ATP phosphohydrolase (Mg2+-importing)" . "magnesium importing ATPase activity" . "magnesium-translocating P-type ATPase activity" . "Mg(2+)-importing ATPase activity" . "Mg2+-importing ATPase activity" . . .