Mitochondrial Complex Iii Deficiency, Nuclear Type 3, also known as mitochondrial complex iii deficiency nuclear type 3, is related to metabolic acidosis and mitochondrial complex iii deficiency. An important gene associated with Mitochondrial Complex Iii Deficiency, Nuclear Type 3 is UQCRB (Ubiquinol-Cytochrome C Reductase Binding Protein). Affiliated tissues include liver, and related phenotypes are hepatomegaly and hypoglycemia