Neighbours --- Link to other classes

Class Reaction_or_Pathway *TCA Cycle

  Components      Isocitrate -> Glyoxylate
                  Glyoxylate -> Malate
                  Malate -> Oxaloacetate
                  Oxaloacetate -> Citrate
                  Citrate -> cis-Aconitate
                  cis-Aconitate -> Isocitrate
                  Isocitrate -> alpha-Ketoglutarate
                  alpha-Ketoglutarate -> Succinyl-CoA
                  Succinyl-CoA -> Succinate
                  Succinate -> Fumarate
                  Fumarate -> Malate