Nuclear Type Mitochondrial Complex I Deficiency, also known as mitochondrial complex i deficiency, nuclear type, is related to mitochondrial complex i deficiency, nuclear type 20 and mitochondrial complex i deficiency, nuclear type 1. An important gene associated with Nuclear Type Mitochondrial Complex I Deficiency is TIMMDC1 (Translocase Of Inner Mitochondrial Membrane Domain Containing 1), and among its related pathways/superpathways are Metabolism and Respiratory electron transport, ATP synthesis by chemiosmotic coupling, and heat production by uncoupling proteins..