Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + sterol(in) = ADP + phosphate + sterol(out).
Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + sterol(in) = ADP + phosphate + sterol(out). (en)