Acts upstream of or within several processes, including cellular response to glucose starvation; negative regulation of release of cytochrome c from mitochondria; and positive regulation of protein serine/threonine kinase activity. Located in mitochondrial inner membrane and nucleus. Orthologous to human HIGD1A (HIG1 hypoxia inducible domain family member 1A). [provided by Alliance of Genome Resources, Apr 2022]