ASNA1? - Arsenical pump-driving ATPase is an anion-transporting ATPase which catalyzes the extrusion of arsenite. Synonyme names of ASNA1 include:? arsenite-translocating ATPase, arsenical resistance ATPase, arsenite-transporting ATPase. Bacterial homolog of human protein is called arsA. Alternative names: arsenite-stimulated ATPase antibody, hARSA-I, hASNA-I, arsenical pump-driving ATPase, transmembrane domain recognition complex 40 kDa ATPase subunit.