1. 1.3.99.1 enzyme   succinyl dehydrogenase
                      succinodehydrogenase
                      fumarate reductase
                      fumaric hydrogenase
                      succinate dehydrogenase
                      succinate oxidoreductase
                      succinic dehydrogenase
                      succinate:(acceptor) oxidoreductase
                      succinic acid dehydrogenase

2. 1.2.1.24 enzyme   succinyl semialdehyde dehydrogenase
                      succinate semialdehyde dehydrogenase
                      succinate-semialdehyde dehydrogenase
                      succinic semialdehyde dehydrogenase
                      succinate semialdehyde:NAD+ oxidoreductase
                      succinate-semialdehyde:NAD+ oxidoreductase

3. 2.8.3.5 enzyme   succinyl-CoA transferase
                      acetoacetate succinyl-CoA transferase
                      succinyl coenzyme A-acetoacetyl coenzyme A-transferase
                      succinyl-CoA:3-oxo-acid CoA-transferase
                      3-ketoacid CoA-transferase
                      3-oxo-CoA transferase
                      3-oxoacid CoA dehydrogenase
                      3-oxoacid CoA-transferase
                      3-ketoacid coenzyme A transferase
                      3-oxoacid coenzyme A-transferase
                      acetoacetyl coenzyme A-succinic thiophorase

4. 3.1.2.3 enzyme   succinyl-CoA acylase
                      succinyl-CoA hydrolase
                      succinyl-CoA hydrolase
                      succinyl coenzyme A deacylase
                      succinyl coenzyme A hydrolase

5. 3.5.1.18 enzyme   succinyl-diaminopimelate desuccinylase
                      N-succinyl-LL-2,6-diaminoheptanedioate amidohydrolase
                      N-succinyl-L-alpha,epsilon-diaminopimelic acid deacylase

6. 6.2.1.4 enzyme   succinyl CoA synthetase
                      succinyl coenzyme A synthetase
                      succinyl-CoA synthetase (GDP-forming)
                      succinyl coenzyme A synthetase (GDP-forming)
                      succinyl coenzyme A synthetase (guanosine diphosphate-forming)
                      SCS
                      G-STK
                      P-enzyme
                      succinate thiokinase
                      succinic thiokinase
                      succinate-phosphorylating enzyme
                      succinate-CoA ligase (GDP-forming)
                      succinate:CoA ligase (GDP-forming)

7. 6.2.1.5 enzyme   succinyl-CoA synthetase
                      succinyl coenzyme A synthetase
                      succinyl-CoA synthetase (ADP-forming)
                      succinyl coenzyme A synthetase (adenosine diphosphate-forming)
                      STK
                      A-SCS
                      succinate thiokinase
                      succinic thiokinase
                      succinate-CoA ligase (ADP-forming)
                      succinate:CoA ligase (ADP-forming)
                      A-STK (adenin nucleotide-linked succinate thiokinase)

8. 1.2.4.2 enzyme   oxoglutarate dehydrogenase (succinyl-transferring)
                      2-oxoglutarate:lipoamide 2-oxidoreductase (decarboxylating and  acceptor-succinylating)
                      2-oxoglutarate:[dihydrolipoyllysine-residue succinyltransferase]-lipoyllysine 2-oxidoreductase (decarboxylating, acceptor-succinylating)
                      AKGDH
                      OGDC
                      ketoglutaric dehydrogenase
                      oxoglutarate decarboxylase
                      oxoglutarate dehydrogenase
                      2-ketoglutarate dehydrogenase
                      2-oxoglutarate dehydrogenase
                      alpha-ketoglutarate dehydrogenase
                      alpha-ketoglutaric dehydrogenase
                      alpha-oxoglutarate dehydrogenase
                      alphaketoglutaric acid dehydrogenase
                      oxoglutarate dehydrogenase (lipoamide)
                      2-oxoglutarate: lipoate oxidoreductase

9. 2.3.1.109 enzyme   arginine succinyltransferase
                      arginine N-succinyltransferase
                      succinyl-CoA:L-arginine N2-succinyltransferase

10. 2.3.1.117 enzyme   tetrahydrodipicolinate succinyltransferase
                      tetrahydropicolinate succinylase
                      tetrahydrodipicolinate N-succinyltransferase
                      succinyl-CoA:tetrahydrodipicolinate N-succinyltransferase
                      2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase
                      succinyl-CoA:2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase

11. 2.3.1.46 enzyme   homoserine succinyltransferase
                      homoserine O-succinyltransferase
                      homoserine O-transsuccinylase
                      succinyl-CoA:L-homoserine O-succinyltransferase

12. 2.3.1.61 enzyme   dihydrolipoamide succinyltransferase
                      dihydrolipoic transsuccinylase
                      dihydrolipolyl transsuccinylase
                      dihydrolipoyl transsuccinylase
                      lipoic transsuccinylase
                      lipoyl transsuccinylase
                      dihydrolipoamide S-succinyltransferase
                      dihydrolipoyllysine-residue succinyltransferase
                      lipoate succinyltransferase (Escherichia coli)
                      succinyl-CoA:dihydrolipoamide S-succinyltransferase
                      succinyl-CoA:dihydrolipoate S-succinyltransferase
                      enzyme-dihydrolipoyllysine:succinyl-CoA S-succinyltransferase

13. 2.6.1.17 enzyme   succinyldiaminopimelate aminotransferase
                      succinyldiaminopimelate transaminase
                      N-succinyl-L-diaminopimelic glutamic transaminase
                      N-succinyl-L-2,6-diaminoheptanedioate:2-oxoglutarate aminotransferase

14. 2.6.1.81 enzyme   succinylornithine aminotransferase
                      succinylornithine transaminase
                      N2-succinylornithine 5-aminotransferase
                      2-N-succinyl-L-ornithine:2-oxoglutarate 5-aminotransferase
                      AstC
                      SOAT

15. 2.8.3.6 enzyme   3-oxoadipate succinyl-CoA transferase
                      succinyl-CoA:3-oxoadipate CoA-transferase
                      3-oxoadipate CoA-transferase
                      3-oxoadipate coenzyme A-transferase

16. 3.5.3.23 enzyme   arginine succinylhydrolase
                      N-succinylarginine dihydrolase
                      N2-succinylarginine dihydrolase
                      2-N-succinyl-L-arginine iminohydrolase (decarboxylating)
                      AruB
                      AstB
                      SADH

17. 2.3.1.37 enzyme   succinyl-CoA:glycine C-succinyltransferase (decarboxylating)
                      ALAS
                      ALA synthase
                      ALA synthetase
                      aminolevulinate synthase
                      aminolevulinate synthetase
                      aminolevulinic synthetase
                      5-aminolevulinate synthase
                      5-aminolevulinate synthetase
                      aminolevulinic acid synthase
                      aminolevulinic acid synthetase
                      delta-aminolevulinate synthase
                      delta-aminolevulinate synthetase
                      delta-aminolevulinic synthetase
                      5-aminolevulinic acid synthetase
                      alpha-aminolevulinic acid synthase
                      delta-aminolevulinic acid synthase
                      delta-aminolevulinic acid synthetase

18. 2.5.1.64 enzyme   2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase
                      6-hydroxy-2-succinylcyclohexa-2,4-diene-1-carboxylate synthase
                      2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylic acid synthase
                      (1R,6R)-2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate  synthase
                      2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate  synthase-alpha-ketoglutarate decarboxylase
                      MenD
                      SHCHC synthase
                      2-oxoglutarate decarboxylase/SHCHC synthase
                      isochorismate:2-oxoglutarate:cyclodienyltransferase (decarboxylating, pyruvate-forming)

19. 2.8.3.15 enzyme   succinyl-CoA:(R)-benzylsuccinate CoA-transferase
                      succinyl-CoA:(R)-2-benzylsuccinate CoA-transferase
                      benzylsuccinate CoA-transferase

20. 2.8.3.2 enzyme   succinyl-CoA:oxalate CoA-transferase
                      succinyl-beta-ketoacyl-CoA transferase
                      oxalate CoA-transferase
                      oxalate coenzyme A-transferase

21. 2.8.3.7 enzyme   succinyl-CoA:citramalate CoA-transferase
                      succinyl coenzyme A-citramalyl coenzyme A transferase
                      citramalate CoA-transferase
                      itaconate CoA-transferase
                      citramalate coenzyme A-transferase
                      succinate-citramalate CoA-transferase

22. 2.8.3.8 enzyme   succinyl-CoA:acetate CoA transferase
                      acetate CoA-transferase
                      acetate coenzyme A-transferase
                      butyryl coenzyme A transferase
                      acyl-CoA:acetate CoA-transferase
                      butyryl CoA:acetate CoA transferase

23. 2.5.1.48 enzyme   homoserine transsuccinylase
                      O-succinylhomoserine synthase
                      O-succinylhomoserine synthetase
                      homoserine O-transsuccinylase
                      O-succinylhomoserine (thiol)-lyase
                      O-succinyl-L-homoserine succinate-lyase (adding cysteine)
                      O4-succinyl-L-homoserine:L-cysteine S-(3-amino-3-carboxypropyl)transferase
                      cystathionine synthase
                      cystathionine synthetase
                      cystathionine gamma-synthase