Predicted to enable citrate transmembrane transporter activity. Predicted to be involved in citrate transport and mitochondrial transmembrane transport. Predicted to act upstream of or within amino acid transport. Located in mitochondrial inner membrane. Is expressed in several structures, including alimentary system; brain; connective tissue; reproductive system; and spinal cord. Orthologous to human SFXN5 (sideroflexin 5). [provided by Alliance of Genome Resources, Apr 2022]