In TCA cycle, NADH is produced at all sites except
6th Step: Formation of Fumarate Succinate is dehydrogenated to fumarate, an unsaturated dicarboxylic acid, by succinate dehydrogenase (step 6, Fig.18.2). The hydrogen atoms are accepted by FAD. The FADH2 then enters into ETC to generate ATPs.Ref: DM Vasudevan, 7th edition, page no: 248
Isocitrate dehydrogenase
Succinate dehydrogenase
Malate dehydrogenase
Pyruvate dehydrogenase
Metabolism of carbohydrate