Predicted to enable magnesium ion transmembrane transporter activity. Predicted to be involved in cognition; magnesium ion transport; and protein N-linked glycosylation via asparagine. Located in mitochondrion. Is expressed in nervous system; neural retina; respiratory system; and urinary system. Human ortholog(s) of this gene implicated in autosomal recessive non-syndromic intellectual disability. Orthologous to human TUSC3 (tumor suppressor candidate 3). [provided by Alliance of Genome Resources, Apr 2022]