Enables heme transmembrane transporter activity. Involved in heme transport. Located in apical plasma membrane and cytoplasm. Is expressed in adrenal gland; metanephros; spinal cord; and testis. Human ortholog(s) of this gene implicated in hereditary folate malabsorption. Orthologous to human SLC46A1 (solute carrier family 46 member 1). [provided by Alliance of Genome Resources, Apr 2022]