| EC:2.2.1.6 Acetolactate synthase. | TG | PF | CP | HS |
| EC:2.3.3.11 2-hydroxyglutarate synthase. | TG | PF | CP | HS |
| EC:2.8.3.7 Succinate-citramalate CoA-transferase. | TG | PF | CP | HS |
| EC:2.8.3.11 Citramalate CoA-transferase. | TG | PF | CP | HS |
| EC:3.5.1.67 4-methyleneglutaminase. | TG | PF | CP | HS |
| EC:4.1.1.5 Acetolactate decarboxylase. | TG | PF | CP | HS |
| EC:4.1.1.6 Aconitate decarboxylase. | TG | PF | CP | HS |
| EC:4.1.3.17 4-hydroxy-4-methyl-2-oxoglutarate aldolase. | TG | PF | CP | HS |
| EC:4.1.3.22 Citramalate lyase. | TG | PF | CP | HS |
| EC:4.1.3.25 Citramalyl-CoA lyase. | TG | PF | CP | HS |
| EC:4.1.3.32 2,3-dimethylmalate lyase. | TG | PF | CP | HS |
| EC:4.2.1.34 (S)-2-methylmalate dehydratase. | TG | PF | CP | HS |
| EC:4.2.1.35 (R)-2-methylmalate dehydratase. | TG | PF | CP | HS |
| EC:4.2.1.56 Itaconyl-CoA hydratase. | TG | PF | CP | HS |
| EC:4.2.1.85 Dimethylmaleate hydratase. | TG | PF | CP | HS |
| EC:4.3.1.2 Methylaspartate ammonia-lyase. | TG | PF | CP | HS |
| EC:5.3.3.6 Methylitaconate delta-isomerase. | TG | PF | CP | HS |
| EC:5.4.99.1 Methylaspartate mutase. | TG | PF | CP | HS |
| EC:5.4.99.4 2-methyleneglutarate mutase. | TG | PF | CP | HS |
| EC:6.2.1.5 Succinate--CoA ligase (ADP-forming). | TG | PF | CP | HS |
| EC:6.3.1.7 4-methyleneglutamate--ammonia ligase. | TG | PF | CP | HS |