Predicted to enable transmembrane transporter activity. Predicted to be involved in transmembrane transport. Predicted to act upstream of or within lipid transport. Predicted to be located in mitochondrial inner membrane. Predicted to be integral component of membrane. Is expressed in brain and retina. Orthologous to human SPNS1 (sphingolipid transporter 1 (putative)). [provided by Alliance of Genome Resources, Apr 2022]