Predicted to enable ammonium transmembrane transporter activity. Predicted to be involved in ammonium transmembrane transport. Predicted to act upstream of or within erythrocyte development and multicellular organismal iron ion homeostasis. Predicted to be located in membrane. Predicted to be integral component of plasma membrane. Human ortholog(s) of this gene implicated in Rh isoimmunization. Orthologous to several human genes including RHD (Rh blood group D antigen). [provided by Alliance of Genome Resources, Apr 2022]