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3.6.1.4 Decarboxylation of α-ketoglutarate to succiny1-CoA
α-ketoglutarate undergoes oxidative decarboxylation. The reaction is catalyzed by a α-ketoglutarate dehydrogenase complex, which requires cofactors thiamin pyrophosphote, lipoate, NAD, FAD and CoA resulting in the formation of succinyl-CoA, a high- energy thioester and NADH. Arsenic inhibits the reaction, causing the substrate α-ketoglutarate to accumulate. |
Last modified: Thursday, 10 November 2011, 10:00 AM