| dioxin dioxygenase | <enzyme> Catalyses initial step of the degradations of dibenzofuan and dibenzo-p-dioxin; isolated from sphingomonas Registry number: EC 1.14.99.- (26 Jun 1999) |
|---|---|
| dioxygenase | An oxidoreductase that incorporates two atoms of oxygen (from one molecule of O2) into the (reduced) substrate. (05 Mar 2000) |
| DOPA dioxygenase | <enzyme> Key enzyme in betalain biosynthesis pathway of amanita muscaria; genbank y12886 Registry number: EC 1.14.99.- Synonym: dopa-4,5-dioxygenase, doda gene product (26 Jun 1999) |
| isopropylbenzene dioxygenase | <enzyme> Pseudomonas putida enzyme; forms 2,3-dihydro-2,3-dihydroxyisopropylbenzene Registry number: EC 1.13.11.- Synonym: isopropylbenzene 2,3-dioxygenase, cumene 2,3-dioxygenase (26 Jun 1999) |
| ortho-halobenzoate 1,2-dioxygenase | <enzyme> A three-component broad substrate-specific enzyme that requires oxygen, NADH, fe(ii) and flavin adenine dinucleotide; degrades 2,4-, 2,5-dichloro-, 2-chloro (& a variety of other substituted halobenzoates) to 4-chlorocatechol and catechol Registry number: EC 1.14.12.- (26 Jun 1999) |
| terephthalate 1,2-dioxygenase | <enzyme> Converts terephthalate to (1r,2s)-dihydroxy-3,5-cyclohexadiene-1,4-dicarboxylic acid and protocatechuate; has 2 components, r (reductase) and z (oxygenase); from comamonas testosteroni; partial amino acid sequence given in first source Registry number: EC 1.- Synonym: ter-1,2-dioxygenase (26 Jun 1999) |
| toluene dioxygenase | <enzyme> Resolved into 3 protein components; maximum activity dependent on presence of ferrous iron and NADH; forms benzyl alcohol Registry number: EC 1.14.- Synonym: toluate oxygenase, toluate 1,2-dioxygenase (26 Jun 1999) |
| tryptophan 2,3-dioxygenase | An oxidoreductase catalyzing the reaction of l-tryptophan and O2 to produce l-N-formylkynurenine; an adaptive enzyme, the level (in the liver) being controlled by adrenal hormones; a step in tryptophan catabolism; also, a step in the synthesis of NAD+ from tryptophan. Synonym: pyrrolase, tryptophan oxygenase, tryptophan pyrrolase, tryptophanase. (05 Mar 2000) |
| 2,2',3-trihydroxybiphenyl dioxygenase | <enzyme> Key enzyme in the degradation pathways of dibenzo-p-dioxin and dibenzofuran; responsible for meta cleavage of the first aromatic ring Registry number: EC 1.13.11.- Synonym: 2,2',3-thbp dioxygenase (26 Jun 1999) |
| 2,3-dihydroxy-4-cumate-3,4-dioxygenase | <enzyme> Meta-cleavage enzyme involved in bacterial degradation of p-cymene; forms 3-carboxy-2-hydroxy-7-methyl-6-oxo-octa-2,3-dienoic acid from p-cymene; also acts on 2,3-dihydroxybenzoate, 3-methylcatechol, 3-isopropylcatechol and 2,3-dihydroxy-p-toluate; enzyme c of p-cumate catabolic pathway in pseudomonas putida Registry number: EC 1.13.11.- Synonym: 2,3-dihydroxy-p-cumate-3,4-dioxygenase, dhcumate dioxygenase, cmtc gene product (26 Jun 1999) |
| 2,4-dichlorophenoxyacetate-alpha-ketoglutarate dioxygenase | <enzyme> Encoded by the tfda gene of plasmide pjp4; an fe(ii)-dependent enzyme that catalyses the conversion of 2,4-dichlorophenoxyacetate to 2,4-dichlorophenol and glyoxylate concomitant with the deomposition of alpha-ketoglutarate to succinate and co2 Registry number: EC 1.14.11.- Synonym: 2,4-d-kdg (26 Jun 1999) |
| 2,4-dinitrotoluene dioxygenase | <enzyme> Catalyses the initial oxidation of dnt to form 4-methyl-5-nitrocatechol and nitrile; genbank u62430 Registry number: EC 1.14.12.- Synonym: dnt dioxygenase (26 Jun 1999) |
| 2-aminophenol 1,6-dioxygenase | <enzyme> From pseudomonas growing on 2-aminophenol; catalyses the oxidation of 2-aminophenol to 2-aminomuconic-6-saemialdehyde; made up of 2 subunits, alpha subunit (amna encoded) and beta subunit (amnb encoded); mw 140 kD (native enzyme); genbank d89855 Registry number: EC 1.13.- (26 Jun 1999) |
| 2-nitropropane dioxygenase | <enzyme> Converts 2 moles 2-nitropropane to 2 moles acetone Registry number: EC 1.13.11.- (26 Jun 1999) |
| 2-nitrotoluene dioxygenase | <enzyme> Catalyses conversion of 2-nitrotoluene to 3-methylcatechol and nitrite; isolated from pseudomonas; genbank u49504 Registry number: EC 1.14.12.- Synonym: 2nt dioxygenase (26 Jun 1999) |