Predicted to enable hexose transmembrane transporter activity. Predicted to be involved in monosaccharide transmembrane transport. Predicted to be active in membrane. Is expressed in adult head and organism. Human ortholog(s) of this gene implicated in epilepsy (multiple); glucose metabolism disease (multiple); glycogen storage disease; myelomeningocele; and obesity. Orthologous to several human genes including SLC2A1 (solute carrier family 2 member 1); SLC2A2 (solute carrier family 2 member 2); and SLC2A4 (solute carrier family 2 member 4).