Predicted to enable ATPase-coupled transmembrane transporter activity. Predicted to be involved in transmembrane transport. Predicted to be located in membrane. Expressed in tail. Human ortholog(s) of this gene implicated in several diseases, including Alzheimer's disease; autoimmune disease (multiple); bronchial disease (multiple); and systemic scleroderma (multiple). Is an ortholog of human TAP2 (transporter 2, ATP binding cassette subfamily B member).