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| The enzymes in this section of the database are organized as you would find them in the
Enzyme-Nomenclature book. Click [+] to expand, and [–] to collapse, any section. Clicking on a heading will open a popup window with information on that class, subclass or sub-subclass. For a fully expanded list of the classes, subclasses and sub-subclasses, click here |
| EC 1 | [–] | ||
| EC 1.1 | [+] | ||
| EC 1.2 | [+] | ||
| EC 1.3 | [+] | ||
| EC 1.4 | [+] | ||
| EC 1.5 | [+] | ||
| EC 1.6 | [+] | ||
| EC 1.7 | [+] | ||
| EC 1.8 | [+] | ||
| EC 1.9 | [+] | ||
| EC 1.10 | [+] | ||
| EC 1.11 | [+] | ||
| EC 1.12 | [+] | ||
| EC 1.13 | [–] | ||
| EC 1.13.11 | [–] With incorporation of two atoms of oxygen | ||
| EC 1.13.11.1 | catechol 1,2-dioxygenase | ||
| EC 1.13.11.2 | catechol 2,3-dioxygenase | ||
| EC 1.13.11.3 | protocatechuate 3,4-dioxygenase | ||
| EC 1.13.11.4 | gentisate 1,2-dioxygenase | ||
| EC 1.13.11.5 | homogentisate 1,2-dioxygenase | ||
| EC 1.13.11.6 | 3-hydroxyanthranilate 3,4-dioxygenase | ||
| EC 1.13.11.7 | 3,4-dihydroxyphenylacetate 3,4-dioxygenase | ||
| EC 1.13.11.8 | protocatechuate 4,5-dioxygenase | ||
| EC 1.13.11.9 | 2,5-dihydroxypyridine 5,6-dioxygenase | ||
| EC 1.13.11.10 | 7,8-dihydroxykynurenate 8,8a-dioxygenase | ||
| EC 1.13.11.11 | tryptophan 2,3-dioxygenase | ||
| EC 1.13.11.12 | linoleate 13S-lipoxygenase | ||
| EC 1.13.11.13 | ascorbate 2,3-dioxygenase. The activity is the sum of several enzymatic and spontaneous reactions | ||
| EC 1.13.11.14 | 2,3-dihydroxybenzoate 3,4-dioxygenase | ||
| EC 1.13.11.15 | 3,4-dihydroxyphenylacetate 2,3-dioxygenase | ||
| EC 1.13.11.16 | 3-carboxyethylcatechol 2,3-dioxygenase | ||
| EC 1.13.11.17 | indole 2,3-dioxygenase | ||
| EC 1.13.11.18 | persulfide dioxygenase | ||
| EC 1.13.11.19 | cysteamine dioxygenase | ||
| EC 1.13.11.20 | cysteine dioxygenase | ||
| EC 1.13.11.21 | β-carotene 15,15′-dioxygenase. Now EC 1.14.99.36, β-carotene 15,15′-monooxygenase | ||
| EC 1.13.11.22 | caffeate 3,4-dioxygenase | ||
| EC 1.13.11.23 | 2,3-dihydroxyindole 2,3-dioxygenase | ||
| EC 1.13.11.24 | quercetin 2,3-dioxygenase | ||
| EC 1.13.11.25 | 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase | ||
| EC 1.13.11.26 | peptide-tryptophan 2,3-dioxygenase | ||
| EC 1.13.11.27 | 4-hydroxyphenylpyruvate dioxygenase | ||
| EC 1.13.11.28 | 2,3-dihydroxybenzoate 2,3-dioxygenase | ||
| EC 1.13.11.29 | stizolobate synthase | ||
| EC 1.13.11.30 | stizolobinate synthase | ||
| EC 1.13.11.31 | arachidonate 12-lipoxygenase | ||
| EC 1.13.11.32 | 2-nitropropane dioxygenase. Now EC 1.13.12.16, nitronate monooxygenase | ||
| EC 1.13.11.33 | arachidonate 15-lipoxygenase | ||
| EC 1.13.11.34 | arachidonate 5-lipoxygenase | ||
| EC 1.13.11.35 | pyrogallol 1,2-oxygenase | ||
| EC 1.13.11.36 | chloridazon-catechol dioxygenase | ||
| EC 1.13.11.37 | hydroxyquinol 1,2-dioxygenase | ||
| EC 1.13.11.38 | 1-hydroxy-2-naphthoate 1,2-dioxygenase | ||
| EC 1.13.11.39 | biphenyl-2,3-diol 1,2-dioxygenase | ||
| EC 1.13.11.40 | arachidonate 8-lipoxygenase | ||
| EC 1.13.11.41 | 2,4′-dihydroxyacetophenone dioxygenase | ||
| EC 1.13.11.42 | indoleamine-pyrrole 2,3-dioxygenase. The enzyme was identical to EC 1.13.11.11, tryptophan 2,3-dioxygenase | ||
| EC 1.13.11.43 | lignostilbene αβ-dioxygenase | ||
| EC 1.13.11.44 | linoleate diol synthase. Activity is covered by EC 1.13.11.60, linoleate 8R-lipoxygenase and EC 5.4.4.6, 9,12-octadecadienoate 8-hydroperoxide 8S-isomerase. | ||
| EC 1.13.11.45 | linoleate 11-lipoxygenase | ||
| EC 1.13.11.46 | 4-hydroxymandelate synthase | ||
| EC 1.13.11.47 | 3-hydroxy-4-oxoquinoline 2,4-dioxygenase | ||
| EC 1.13.11.48 | 3-hydroxy-2-methylquinolin-4-one 2,4-dioxygenase | ||
| EC 1.13.11.49 | chlorite O2-lyase | ||
| EC 1.13.11.50 | acetylacetone-cleaving enzyme | ||
| EC 1.13.11.51 | 9-cis-epoxycarotenoid dioxygenase | ||
| EC 1.13.11.52 | indoleamine 2,3-dioxygenase | ||
| EC 1.13.11.53 | acireductone dioxygenase (Ni2+-requiring) | ||
| EC 1.13.11.54 | acireductone dioxygenase [iron(II)-requiring] | ||
| EC 1.13.11.55 | sulfur oxygenase/reductase | ||
| EC 1.13.11.56 | 1,2-dihydroxynaphthalene dioxygenase | ||
| EC 1.13.11.57 | gallate dioxygenase | ||
| EC 1.13.11.58 | linoleate 9S-lipoxygenase | ||
| EC 1.13.11.59 | torulene dioxygenase | ||
| EC 1.13.11.60 | linoleate 8R-lipoxygenase | ||
| EC 1.13.11.61 | linolenate 9R-lipoxygenase | ||
| EC 1.13.11.62 | linoleate 10R-lipoxygenase | ||
| EC 1.13.11.63 | β-carotene 15,15′-dioxygenase | ||
| EC 1.13.11.64 | 5-nitrosalicylate dioxygenase | ||
| EC 1.13.11.65 | carotenoid isomerooxygenase | ||
| EC 1.13.11.66 | hydroquinone 1,2-dioxygenase | ||
| EC 1.13.11.67 | 8′-apo-β-carotenoid 14′,13′-cleaving dioxygenase | ||
| EC 1.13.11.68 | 9-cis-β-carotene 9′,10′-cleaving dioxygenase | ||
| EC 1.13.11.69 | carlactone synthase | ||
| EC 1.13.11.70 | all-trans-10′-apo-β-carotenal 13,14-cleaving dioxygenase | ||
| EC 1.13.11.71 | carotenoid-9′,10′-cleaving dioxygenase | ||
| EC 1.13.11.72 | 2-hydroxyethylphosphonate dioxygenase | ||
| EC 1.13.11.73 | methylphosphonate synthase | ||
| EC 1.13.11.74 | 2-aminophenol 1,6-dioxygenase | ||
| EC 1.13.11.75 | all-trans-8′-apo-β-carotenal 15,15′-oxygenase | ||
| EC 1.13.11.76 | 2-amino-5-chlorophenol 1,6-dioxygenase | ||
| EC 1.13.11.77 | oleate 10S-lipoxygenase | ||
| EC 1.13.11.78 | 2-amino-1-hydroxyethylphosphonate dioxygenase (glycine-forming) | ||
| EC 1.13.11.79 | aerobic 5,6-dimethylbenzimidazole synthase | ||
| EC 1.13.11.80 | (3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase | ||
| EC 1.13.11.81 | 7,8-dihydroneopterin oxygenase | ||
| EC 1.13.11.82 | 8′-apo-carotenoid 13,14-cleaving dioxygenase | ||
| EC 1.13.11.83 | 4-hydroxy-3-prenylphenylpyruvate oxygenase | ||
| EC 1.13.11.84 | crocetin dialdehyde synthase | ||
| EC 1.13.11.85 | exo-cleaving rubber dioxygenase | ||
| EC 1.13.11.86 | 5-aminosalicylate 1,2-dioxygenase | ||
| EC 1.13.11.87 | endo-cleaving rubber dioxygenase | ||
| EC 1.13.11.88 | isoeugenol monooxygenase | ||
| EC 1.13.11.89 | (hydroxymethyl)phosphonate dioxygenase | ||
| EC 1.13.11.90 | [1-hydroxy-2-(trimethylamino)ethyl]phosphonate dioxygenase (glycine-betaine-forming) | ||
| EC 1.13.11.91 | 3-mercaptopropionate dioxygenase | ||
| EC 1.13.11.92 | fatty acid α-dioxygenase | ||
| EC 1.13.11.93 | 2-oxoadipate dioxygenase/decarboxylase | ||
| EC 1.13.11.94 | 4-vinylguaiacol dioxygenase | ||
| EC 1.13.11.95 | 2-oxoethane-1-sulfonamide synthase | ||
| EC 1.13.12 | [+] With incorporation of one atom of oxygen (internal monooxygenases or internal mixed-function oxidases) | ||
| EC 1.13.99 | [+] Miscellaneous | ||
| EC 1.14 | [+] | ||
| EC 1.15 | [+] | ||
| EC 1.16 | [+] | ||
| EC 1.17 | [+] | ||
| EC 1.18 | [+] | ||
| EC 1.19 | [+] | ||
| EC 1.20 | [+] | ||
| EC 1.21 | [+] | ||
| EC 1.22 | [+] | ||
| EC 1.23 | [+] | ||
| EC 1.97 | [+] | ||
| EC 1.98 | [+] | ||
| EC 1.99 | [+] | ||
| EC 2 | [+] | ||
| EC 3 | [+] | ||
| EC 4 | [+] | ||
| EC 5 | [+] | ||
| EC 6 | [+] | ||
| EC 7 | [+] |