1. Citrate Synthase
  2. cis-Aconitase
  3. Isocitrate Dehydrogenase
  4. α-Ketoglutarate Dehydrogenase
  5. Succinyl-CoA Synthetase
  6. Succinate Dehydrogenase
  7. Fumarase
  8. Malate Dehydrogenase