Enables choline transmembrane transporter activity. Involved in choline transport and transmembrane transport. Predicted to be located in cytosol; mitochondrion; and nucleoplasm. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. Human ortholog(s) of this gene implicated in high grade glioma. Orthologous to human SLC44A1 (solute carrier family 44 member 1). [provided by Alliance of Genome Resources, Apr 2022]