Couples the hydrolysis of ATP with the transport of cadmium, zinc and cobalt out of the cell. Does not seem to transport copper. ATP + H2O + Zn(2+)(in) = ADP + H(+) + phosphate + Zn(2+)(out) ATP + Cd(2+)(in) + H2O = ADP + Cd(2+)(out) + H(+) + phosphate Expression increases rapidly at 5 hours and peaks at 7 hours after onset of sporulation. By heat-shock, ethanol stress, zinc, cobalt and cadmium. Arrested in competence development and sporulation. Belongs to the cation transport ATPase (P-type) (TC 3.A.3) family. Type IB subfamily.