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Enzymes and Coenzymes > Enzymes > Multienzyme Complexes > Pyruvate Dehydrogenase Complex

Preferred term

Pyruvate Dehydrogenase Complex  

Type

  • mesh:Descriptor

Definition

  • A multienzyme complex responsible for the formation of ACETYL COENZYME A from pyruvate. The enzyme components are PYRUVATE DEHYDROGENASE (LIPOAMIDE); dihydrolipoamide acetyltransferase; and LIPOAMIDE DEHYDROGENASE. Pyruvate dehydrogenase complex is subject to three types of control: inhibited by acetyl-CoA and NADH; influenced by the energy state of the cell; and inhibited when a specific serine residue in the pyruvate decarboxylase is phosphorylated by ATP. PYRUVATE DEHYDROGENASE (LIPOAMIDE)-PHOSPHATASE catalyzes reactivation of the complex. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed)

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URI

http://data.loterre.fr/ark:/67375/JVR-DXLL45FL-Z

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