Predicted to enable transmembrane transporter activity. Predicted to be involved in mitochondrial transmembrane transport. Predicted to be located in mitochondrion. Predicted to be integral component of mitochondrial inner membrane. Human ortholog(s) of this gene implicated in combined oxidative phosphorylation deficiency 18. Orthologous to human SFXN4 (sideroflexin 4). [provided by Alliance of Genome Resources, Apr 2022]