1.13.11.1 catechol 1,2-dioxygenase - 1.13.11.10 7,8-dihydroxykynurenate 8,8a-dioxygenase - 1.13.11.11 tryptophan 2,3-dioxygenase - 1.13.11.12 linoleate 13S-lipoxygenase - 1.13.11.13 ascorbate 2,3-dioxygenase deleted, the activity is the sum of several enzymatic and spontaneous reactions 1.13.11.14 2,3-dihydroxybenzoate 3,4-dioxygenase - 1.13.11.15 3,4-dihydroxyphenylacetate 2,3-dioxygenase - 1.13.11.16 3-carboxyethylcatechol 2,3-dioxygenase - 1.13.11.17 indole 2,3-dioxygenase - 1.13.11.18 persulfide dioxygenase - 1.13.11.19 cysteamine dioxygenase - 1.13.11.2 catechol 2,3-dioxygenase - 1.13.11.20 cysteine dioxygenase - 1.13.11.21 beta-carotene 15,15'-dioxygenase transferred to EC 1.14.99.36 1.13.11.22 caffeate 3,4-dioxygenase - 1.13.11.23 2,3-dihydroxyindole 2,3-dioxygenase - 1.13.11.24 quercetin 2,3-dioxygenase - 1.13.11.25 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase - 1.13.11.26 peptide-tryptophan 2,3-dioxygenase - 1.13.11.27 4-hydroxyphenylpyruvate dioxygenase - 1.13.11.28 2,3-dihydroxybenzoate 2,3-dioxygenase - 1.13.11.29 stizolobate synthase - 1.13.11.3 protocatechuate 3,4-dioxygenase - 1.13.11.30 stizolobinate synthase - 1.13.11.31 arachidonate 12-lipoxygenase - 1.13.11.32 2-nitropropane dioxygenase transferred to EC 1.13.12.16 1.13.11.33 arachidonate 15-lipoxygenase - 1.13.11.34 arachidonate 5-lipoxygenase - 1.13.11.35 pyrogallol 1,2-oxygenase - 1.13.11.36 chloridazon-catechol dioxygenase - 1.13.11.37 hydroxyquinol 1,2-dioxygenase - 1.13.11.38 1-hydroxy-2-naphthoate 1,2-dioxygenase - 1.13.11.39 biphenyl-2,3-diol 1,2-dioxygenase - 1.13.11.4 gentisate 1,2-dioxygenase - 1.13.11.40 arachidonate 8-lipoxygenase - 1.13.11.41 2,4'-dihydroxyacetophenone dioxygenase - 1.13.11.42 indoleamine-pyrrole 2,3-dioxygenase deleted 1.13.11.43 lignostilbene alphabeta-dioxygenase - 1.13.11.44 linoleate diol synthase deleted, now covered by EC 1.13.11.60, linoleate 8R-lipoxygenase and EC 5.4.4.6, 9,12-octadecadienoate 8-hydroperoxide 8S-isomerase. 1.13.11.45 linoleate 11-lipoxygenase - 1.13.11.46 4-hydroxymandelate synthase - 1.13.11.47 3-hydroxy-4-oxoquinoline 2,4-dioxygenase - 1.13.11.48 3-hydroxy-2-methylquinolin-4-one 2,4-dioxygenase - 1.13.11.49 chlorite O2-lyase - 1.13.11.5 homogentisate 1,2-dioxygenase - 1.13.11.50 acetylacetone-cleaving enzyme - 1.13.11.51 9-cis-epoxycarotenoid dioxygenase - 1.13.11.52 indoleamine 2,3-dioxygenase - 1.13.11.53 acireductone dioxygenase (Ni2+-requiring) - 1.13.11.54 acireductone dioxygenase [iron(II)-requiring] - 1.13.11.55 sulfur oxygenase/reductase - 1.13.11.56 1,2-dihydroxynaphthalene dioxygenase - 1.13.11.57 gallate dioxygenase - 1.13.11.58 linoleate 9S-lipoxygenase - 1.13.11.59 torulene dioxygenase - 1.13.11.6 3-hydroxyanthranilate 3,4-dioxygenase - 1.13.11.60 linoleate 8R-lipoxygenase - 1.13.11.61 linolenate 9R-lipoxygenase - 1.13.11.62 linoleate 10R-lipoxygenase - 1.13.11.63 beta-carotene 15,15'-dioxygenase - 1.13.11.64 5-nitrosalicylate dioxygenase - 1.13.11.65 carotenoid isomerooxygenase - 1.13.11.66 hydroquinone 1,2-dioxygenase - 1.13.11.67 8'-apo-beta-carotenoid 14',13'-cleaving dioxygenase - 1.13.11.68 9-cis-beta-carotene 9',10'-cleaving dioxygenase - 1.13.11.69 carlactone synthase - 1.13.11.7 3,4-dihydroxyphenylacetate 3,4-dioxygenase deleted 1.13.11.70 all-trans-10'-apo-beta-carotenal 13,14-cleaving dioxygenase - 1.13.11.71 carotenoid-9',10'-cleaving dioxygenase - 1.13.11.72 2-hydroxyethylphosphonate dioxygenase - 1.13.11.73 methylphosphonate synthase - 1.13.11.74 2-aminophenol 1,6-dioxygenase - 1.13.11.75 all-trans-8'-apo-beta-carotenal 15,15'-oxygenase - 1.13.11.76 2-amino-5-chlorophenol 1,6-dioxygenase - 1.13.11.77 oleate 10S-lipoxygenase - 1.13.11.78 2-amino-1-hydroxyethylphosphonate dioxygenase (glycine-forming) - 1.13.11.79 aerobic 5,6-dimethylbenzimidazole synthase - 1.13.11.8 protocatechuate 4,5-dioxygenase - 1.13.11.80 (3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase - 1.13.11.81 7,8-dihydroneopterin oxygenase - 1.13.11.82 8'-apo-carotenoid 13,14-cleaving dioxygenase - 1.13.11.83 4-hydroxy-3-prenylphenylpyruvate oxygenase - 1.13.11.84 crocetin dialdehyde synthase - 1.13.11.85 exo-cleaving rubber dioxygenase - 1.13.11.86 5-aminosalicylate 1,2-dioxygenase - 1.13.11.87 endo-cleaving rubber dioxygenase - 1.13.11.88 isoeugenol monooxygenase - 1.13.11.89 (hydroxymethyl)phosphonate dioxygenase - 1.13.11.9 2,5-dihydroxypyridine 5,6-dioxygenase - 1.13.11.90 [1-hydroxy-2-(trimethylamino)ethyl]phosphonate dioxygenase (glycine-betaine-forming) - 1.13.11.91 3-mercaptopropionate dioxygenase - 1.13.11.92 fatty acid alpha-dioxygenase - 1.13.11.93 2-oxoadipate dioxygenase/decarboxylase - 1.13.11.B1 9,14-linoleate diol synthase preliminary BRENDA-supplied EC number 1.13.11.B6 linoleate 9/13-lipoxygenase preliminary BRENDA-supplied EC number