. "A proton-transporting two-sector ATPase complex found in the lysosomal membrane, where it acts as a proton pump to mediate acidification of the lysosomal lumen." . . . "lysosomal membrane hydrogen-transporting ATPase" . "lysosomal proton-transporting V-type ATPase complex" . "lysosomal hydrogen-translocating V-type ATPase complex" . . . .