Predicted to enable S-adenosylmethionine-dependent methyltransferase activity. Predicted to be involved in mitochondrial respiratory chain complex I assembly. Predicted to be located in mitochondrion. Human ortholog(s) of this gene implicated in nuclear type mitochondrial complex I deficiency 16. Is an ortholog of human NDUFAF5 (NADH:ubiquinone oxidoreductase complex assembly factor 5).