Predicted to enable flavin adenine dinucleotide binding activity. Acts upstream of or within mitochondrial tRNA wobble uridine modification. Located in mitochondrion. Used to study combined oxidative phosphorylation deficiency. Human ortholog(s) of this gene implicated in combined oxidative phosphorylation deficiency 10. Orthologous to human MTO1 (mitochondrial tRNA translation optimization 1). [provided by Alliance of Genome Resources, Apr 2022]