Mitochondrial dehydrogenase complex (None universally standardized; commonly referred to by individual complex abbreviations (e.g., PDHc for pyruvate dehydrogenase complex, BCKDHc for branched-chain α-keto acid dehydrogenase complex, OGDHc for α-ketoglutarate dehydrogenase complex))

Mitochondrial dehydrogenase complexes are large, multi-subunit enzyme assemblies located in the mitochondrial matrix, central to connecting glycolysis, the citric acid cycle, and amino acid catabolism to cellular energy production. Key members include the pyruvate dehydrogenase complex (converts pyruvate to acetyl-CoA), α-ketoglutarate dehydrogenase complex (converts α-ketoglutarate to succinyl-CoA), and branched-chain α-keto acid dehydrogenase complex (responsible for branched-chain amino acid catabolism). They are crucial for ATP generation, metabolic flexibility, and the control of apoptosis via regulation of NADH/NAD+ and ROS production. Dysregulation or genetic deficiency of these complexes leads to severe metabolic, neurodevelopmental, and degenerative disorders, and they are emerging as drug targets in cancer and metabolic diseases. Note: For structured drug discovery or data modeling, each specific mitochondrial dehydrogenase complex (e.g., "Pyruvate dehydrogenase complex") should be treated as its own canonical target. The provided information summarizes the family due to the ambiguity in the initial query.

Other names

Mitochondrial α-keto acid dehydrogenase complexesPDHcPyruvate dehydrogenase complexOGDHcα-Ketoglutarate dehydrogenase complexBCKDHcBranched-chain α-keto acid dehydrogenase complexAKGDHcα-Ketoadipate dehydrogenase complex

Enzyme inhibition (e.g., PDK inhibitors like DCA inhibit pyruvate dehydrogenase kinase, thereby activating the pyruvate dehydrogenase complex) Substrate mimetics Allosteric modulation Increase or decrease of NAD+/NADH ratio Regulation of phosphorylation states