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 -