Acetyl-CoA CoA Oxaloaxetat NADH,H Malat dehydrogenase Citrat + Aconitase H2O NAD+ Cis-Aconitat Malat H2O Fumaratase Aconitase H2O Fumarat FADH2 SyccinylCoA synthetase Isocitrat Chu trình Krebs NAD+ FAD NADH,H+ Oxalosuccinat Succinat CoSH+GTP SyccinylCoA synthetase Isocitrat dehydrogenase CO2 GDP+Pi α-cetoglutarat Succinyl-CoA NADH,H+ NAD+ α-cetoglutarat dehydrogenase YQ44 – Sơ đồ Chu trình Krebs Isocitrat dehydrogenase