1. 1.14.99.3 enzyme   heme oxygenase (decyclizing)
                      ORP33 proteins
                      haem oxygenase
                      heme,hydrogen-donor:oxygen oxidoreductase (alpha-methene-oxidizing, hydroxylating)

2. 3.5.4.10 enzyme   IMP 1,2-hydrolase (decyclizing)
                      inosinicase
                      IMP cyclohydrolase
                      inosinate cyclohydrolase

3. 3.5.4.27 enzyme   5,10-methenyltetrahydromethanopterin 10-hydrolase (decyclizing)
                      methenyltetrahydromethanopterin cyclohydrolase
                      methenyl-H4MPT cyclohydrolase
                      5,10-methenyltetrahydromethanopterin cyclohydrolase
                      N5,N10-methenyltetrahydromethanopterin cyclohydrolase

4. 3.5.4.9 enzyme   5,10-methenyltetrahydrofolate 5-hydrolase (decyclizing)
                      cyclohydrolase
                      methenyltetrahydrofolate cyclohydrolase
                      Citrovorum factor cyclodehydrase
                      formyl-methenyl-methylenetetrahydrofolate synthetase (combined)

5. 5.5.1.6 enzyme   flavanone lyase (decyclizing)
                      chalcone isomerase
                      chalcone-flavanone isomerase

6. 1.13.11.10 enzyme   7,8-dihydroxykynurenate:oxygen 8,8a-oxidoreductase (decyclizing)
                      7,8-dihydroxykynurenate oxygenase
                      7,8-dihydroxykynurenate 8,8a-dioxygenase
                      7,8-dihydroxykynurenate 8,8alpha-dioxygenase

7. 1.13.11.11 enzyme   L-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
                      tryptophanase
                      tryptophan oxygenase
                      tryptophan peroxidase
                      tryptophan pyrrolase
                      L-tryptophan pyrrolase
                      indolamine 2,3-dioxygenase
                      indoleamine 2,3-dioxygenase
                      tryptamine 2,3-dioxygenase
                      tryptophan 2,3-dioxygenase

8. 1.13.11.14 enzyme   2,3-dihydroxybenzoate:oxygen 3,4-oxidoreductase (decyclizing)
                      o-pyrocatechuate oxygenase
                      2,3-dihydroxybenzoate oxygenase
                      2,3-dihydroxybenzoic oxygenase
                      2,3-dihydroxybenzoate 1,2-dioxygenase
                      2,3-dihydroxybenzoate 3,4-dioxygenase

9. 1.13.11.15 enzyme   3,4-dihydroxyphenylacetate:oxygen 2,3-oxidoreductase (decyclizing)
                      HPC dioxygenase
                      homoprotocatechuate 2,3-dioxygenase
                      3,4-dihydroxyphenylacetate 2,3-dioxygenase
                      3,4-dihydroxyphenylacetic acid 2,3-dioxygenase

10. 1.13.11.17 enzyme   indole-oxygen 2,3-oxidoreductase (decyclizing)
                      indole:oxygen 2,3-oxidoreductase (decyclizing)
                      IDO
                      indole oxidase
                      indole:O2 oxidoreductase
                      indole 2,3-dioxygenase
                      indoleamine 2,3-dioxygenase

11. 1.13.11.2 enzyme   catechol:oxygen 2,3-oxidoreductase (decyclizing)
                      metapyrocatechase
                      catechol oxygenase
                      2,3-pyrocatechase
                      catechol 2,3-dioxygenase
                      catechol 2,3-oxygenase
                      pyrocatechol 2,3-dioxygenase

12. 1.13.11.23 enzyme   2,3-dihydroxyindole:oxygen 2,3-oxidoreductase (decyclizing)
                      2,3-dihydroxyindole 2,3-dioxygenase

13. 1.13.11.24 enzyme   quercetin:oxygen 2,3-oxidoreductase (decyclizing)
                      quercetinase
                      flavonol 2,4-oxygenase
                      quercetin 2,3-dioxygenase

14. 1.13.11.28 enzyme   2,3-dihydroxybenzoate:oxygen 2,3-oxidoreductase (decyclizing)
                      2,3-dihydroxybenzoate 2,3-dioxygenase
                      2,3-dihydroxybenzoate 2,3-oxygenase

15. 1.13.11.3 enzyme   protocatechuate:oxygen 3,4-oxidoreductase (decyclizing)
                      protocatechuate oxygenase
                      protocatechuic acid oxidase
                      protocatechuate 3,4-dioxygenase
                      protocatechuic 3,4-dioxygenase
                      protocatechuic 3,4-oxygenase

16. 1.13.11.35 enzyme   1,2,3-trihydroxybenzene:oxygen 1,2-oxidoreductase (decyclizing)
                      pyrogallol 1,2-dioxygenase
                      pyrogallol 1,2-oxygenase

17. 1.13.11.4 enzyme   gentisate:oxygen 1,2-oxidoreductase (decyclizing)
                      gentisate dioxygenase
                      gentisate oxygenase
                      gentisic acid oxidase
                      2,5-dihydroxybenzoate dioxygenase
                      gentisate 1,2-dioxygenase

18. 1.13.11.5 enzyme   homogentisate:oxygen 1,2-oxidoreductase (decyclizing)
                      homogentisicase
                      homogentisate dioxygenase
                      homogentisate oxidase
                      homogentisate oxygenase
                      homogentisic oxygenase
                      homogentisic acid oxidase
                      homogentisic acid oxygenase
                      homogentisate 1,2-dioxygenase

19. 1.13.11.6 enzyme   3-hydroxyanthranilate:oxygen 3,4-oxidoreductase (decyclizing)
                      3HAO
                      3-hydroxyanthranilate oxygenase
                      3-hydroxyanthranilic oxygenase
                      3-hydroxyanthranilic acid oxidase
                      3-hydroxyanthranilic acid oxygenase
                      3-hydroxyanthranilate 3,4-dioxygenase

20. 1.13.11.8 enzyme   protocatechuate:oxygen 4,5-oxidoreductase (decyclizing)
                      protocatechuate 4,5-dioxygenase
                      protocatechuate 4,5-oxygenase
                      protocatechuic 4,5-dioxygenase
                      protocatechuic 4,5-oxygenase

21. 3.2.1.54 enzyme   cyclomaltodextrin dextrin-hydrolase (decyclizing)
                      cyclodextrinase
                      cycloheptaglucanase
                      cyclohexaglucanase
                      cyclomaltodextrinase

22. 3.5.2.16 enzyme   cyclic-imide amidohydrolase (decyclizing)
                      imidase
                      maleimide hydrolase
                      cyclic imide hydrolase
                      cyclic-imide amidohydrolase (decyclicizing) [misprint]

23. 3.7.1.10 enzyme   cyclohexane-1,3-dione acylhydrolase (decyclizing)
                      1,3-cyclohexanedione hydrolase
                      cyclohexane-1,3-dione hydrolase

24. 4.1.1.60 enzyme   stipitatonate carboxy-lyase (decyclizing)
                      stipitatonate decarboxylase

25. 5.5.1.1 enzyme   4-carboxymethyl-4-hydroxyisocrotonolactone lyase (decyclizing)
                      2,5-dihydro-5-oxofuran-2-acetate lyase (decyclizing)
                      muconate cycloisomerase
                      muconate cycloisomerase I
                      muconate lactonizing enzyme
                      cis,cis-muconate cycloisomerase
                      cis,cis-muconate-lactonizing enzyme

26. 5.5.1.12 enzyme   (+)-copalyl-diphosphate lyase (decyclizing)
                      copalyl diphosphate synthase

27. 5.5.1.8 enzyme   (+)-bornyl-diphosphate lyase (decyclizing)
                      (+)-bornylpyrophosphate cyclase
                      bornyl diphosphate synthase
                      bornyl pyrophosphate synthase
                      bornyl pyrophosphate synthetase
                      geranyl-diphosphate cyclase

28. 5.5.1.9 enzyme   cycloeucalenol lyase (cyclopropane-decyclizing)
                      cycloeucalenol cycloisomerase
                      cycloeucalenol-obtusifoliol isomerase

29. 1.13.11.16 enzyme   3-(2,3-dihydroxyphenyl)propanoate:oxygen 1,2-oxidoreductase (decyclizing)
                      3-carboxyethylcatechol 2,3-dioxygenase
                      2,3-dihydroxy-beta-phenylpropionate oxygenase
                      2,3-dihydroxy-beta-phenylpropionic dioxygenase
                      3-(2,3-dihydroxyphenyl)propanoate:oxygen 1,2-oxidoreductase

30. 1.13.11.26 enzyme   peptide-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
                      pyrrolooxygenase
                      tryptophan pyrrolooxygenase
                      peptidyltryptophan 2,3-dioxygenase
                      peptide-tryptophan 2,3-dioxygenase

31. 1.13.11.37 enzyme   benzene-1,2,4-triol:oxygen 1,2-oxidoreductase (decyclizing)
                      hydroxyquinol dioxygenase
                      hydroxyquinol 1,2-dioxygenase

32. 1.13.11.38 enzyme   1-hydroxy-2-naphthoate:oxygen 1,2-oxidoreductase (decyclizing)
                      1-hydroxy-2-naphthoate dioxygenase
                      1-hydroxy-2-naphthoate-degrading enzyme
                      1-hydroxy-2-naphthoic acid dioxygenase
                      1-hydroxy-2-naphthoate 1,2-dioxygenase

33. 1.13.11.39 enzyme   biphenyl-2,3-diol:oxygen 1,2-oxidoreductase (decyclizing)
                      2,3-dihydroxybiphenyl dioxygenase
                      biphenyl-2,3-diol dioxygenase
                      biphenyl-2,3-diol 1,2-dioxygenase

34. 1.13.11.42 enzyme   indoleamine:oxygen 2,3-dioxygenase (indole-decyclizing)
                      indoleamine 2,3-dioxygenase
                      indoleamine-pyrrole 2,3-dioxygenase

35. 1.14.12.5 enzyme   5-pyridoxate,NADPH:oxygen oxidoreductase (decyclizing)
                      5-pyridoxate dioxygenase
                      5-pyridoxate oxidase

36. 3.5.4.22 enzyme   1-pyrroline-4-hydroxy-2-carboxylate aminohydrolase (decyclizing)
                      HPC deaminase
                      1-pyrroline-4-hydroxy-2-carboxylate deaminase

37. 5.5.1.10 enzyme   alpha-pinene-oxide lyase (decyclizing)
                      alpha-pinene oxide lyase
                      alpha-pinene-oxide decyclase

38. 5.5.1.13 enzyme   ent-copalyl-diphosphate lyase (decyclizing)
                      ent-copalyl diphosphate synthase
                      ent-kaurene synthase A
                      ent-kaurene synthetase A

39. 1.13.11.22 enzyme   3,4-dihydroxy-trans-cinnamate:oxygen 3,4-oxidoreductase (decyclizing)
                      caffeate 3,4-dioxygenase

40. 1.13.11.36 enzyme   5-amino-4-chloro-2-(2,3-dihydroxyphenyl)-3(2H)-pyridazinone 1,2-oxidoreductase (decyclizing)
                      chloridazon-catechol dioxygenase

41. 5.5.1.11 enzyme   2,4-dichloro-2,5-dihydro-5-oxofuran-2-acetate lyase (decyclizing)
                      dichloromuconate cycloisomerase

42. 5.5.1.2 enzyme   2-carboxy-2,5-dihydro-5-oxofuran-2-acetate lyase (decyclizing)
                      3-carboxymuconolactone hydrolase
                      beta-carboxymuconate lactonizing enzyme
                      3-carboxy-cis,cis-muconate cycloisomerase

43. 5.5.1.5 enzyme   3-carboxy-2,5-dihydro-5-oxofuran-2-acetate lyase (decyclizing)
                      3-carboxymuconate cyclase
                      carboxy-cis,cis-muconate cyclase

44. 5.5.1.7 enzyme   2-chloro-2,5-dihydro-5-oxofuran-2-acetate lyase (decyclizing)
                      chloromuconate cycloisomerase
                      muconate cycloisomerase II

45. 1.13.11.25 enzyme   3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione:oxygen 4,5-oxidoreductase (decyclizing)
                      steroid 4,5-dioxygenase
                      3-alkylcatechol 2,3-dioxygenase
                      3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione  4,5-dioxygenase

46. 1.14.12.4 enzyme   3-hydroxy-2-methylpyridine-5-carboxylate,NAD(P)H:oxygen oxidoreductase (decyclizing)
                      methylhydroxypyridinecarboxylate oxidase
                      methylhydroxypyridine carboxylate dioxygenase
                      3-hydroxy-2-methylpyridinecarboxylate dioxygenase
                      3-hydroxy-3-methylpyridinecarboxylate dioxygenase [incorrect]
                      2-methyl-3-hydroxypyridine 5-carboxylic acid dioxygenase