Predicted to enable zinc ion transmembrane transporter activity. Acts upstream of or within manganese ion transmembrane transport. Predicted to be located in membrane. Is expressed in brain; eye; and spinal cord. Used to study idiopathic scoliosis. Human ortholog(s) of this gene implicated in congenital disorder of glycosylation type IIn. Orthologous to human SLC39A8 (solute carrier family 39 member 8).