Predicted to enable amino acid transmembrane transporter activity. Predicted to be involved in amino acid transmembrane transport. Predicted to act upstream of or within amino acid transport and sodium ion transport. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. Is expressed in several structures, including extraembryonic component; genitourinary system; gut; liver; and lung. Orthologous to human SLC38A4 (solute carrier family 38 member 4). [provided by Alliance of Genome Resources, Apr 2022]