Enables copper ion transmembrane transporter activity. Involved in copper ion transport. Located in vacuolar membrane. Expressed in neurons; pharynx; and
pm6. Used to study Menkes disease. Human ortholog(s) of this gene implicated in several diseases, including Menkes disease; Wilson disease; and X-linked recessive disease (multiple). Is an ortholog of human ATP7A (ATPase copper transporting alpha).