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Toluene dioxygenase information


toluene dioxygenase
Identifiers
EC no.1.14.12.11
CAS no.120038-36-0
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BRENDABRENDA entry
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MetaCycmetabolic pathway
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In enzymology, a toluene dioxygenase (EC 1.14.12.11) is an enzyme that catalyzes the chemical reaction

toluene + NADH + H+ + O2 (1S,2R)-3-methylcyclohexa-3,5-diene-1,2-diol + NAD+

The 4 substrates of this enzyme are toluene, NADH, H+, and O2, whereas its two products are (1S,2R)-3-methylcyclohexa-3,5-diene-1,2-diol and NAD+.

This enzyme belongs to the family of oxidoreductases, specifically those acting on paired donors, with O2 as oxidant and incorporation or reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of two atoms o oxygen into the other donor. The systematic name of this enzyme class is toluene,NADH:oxygen oxidoreductase (1,2-hydroxylating). This enzyme is also called toluene 2,3-dioxygenase. This enzyme participates in toluene and xylene degradation.

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Toluene dioxygenase

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In enzymology, a toluene dioxygenase (EC 1.14.12.11) is an enzyme that catalyzes the chemical reaction toluene + NADH + H+ + O2 ⇌ {\displaystyle \rightleftharpoons...

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Trichloroethylene

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a variety of halogenated compounds including trichloroethylene. Toluene dioxygenase has been reported to be involved in TCE degradation by Pseudomonas...

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Microbial arene oxidation

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oxidation to dihydrodiols: Toluene dioxygenases (TDs) Naphthalene dioxygenases (NDs) Biphenyl dioxygenases (BPDs) Benzoic acid dioxygenases (BZDs) The substrate...

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Benzene

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and butane) to aromatics. Toluene hydrodealkylation converts toluene to benzene. In this hydrogen-intensive process, toluene is mixed with hydrogen, then...

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Terephthalic acid

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natural product, via a reaction pathway initiated by terephthalate 1,2-dioxygenase. Combined with the previously known PETase and MHETase, a full pathway...

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Rieske protein

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complex, aromatic-ring-hydroxylating dioxygenases (phthalate dioxygenase, benzene, naphthalene and toluene 1,2-dioxygenases) and arsenite oxidase (EC 1.20.98...

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Acetylacetone

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no added base is needed to form the complex. The enzyme acetylacetone dioxygenase cleaves the carbon-carbon bond of acetylacetone, producing acetate and...

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Taurine

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first oxidized to its sulfinic acid, catalyzed by the enzyme cysteine dioxygenase. Cysteine sulfinic acid, in turn, is decarboxylated by sulfinoalanine...

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Rhodococcus

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its ability to metabolize harmful environmental pollutants, including toluene, naphthalene, herbicides, and PCBs. Rhodococcus species typically metabolize...

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Kynurenine

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by the enzyme tryptophan dioxygenase, which is made primarily but not exclusively in the liver, and indoleamine 2,3-dioxygenase, which is made in many tissues...

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Hydrocarbonoclastic bacteria

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bacteria have two fundamental characteristics: (1) specific membrane-bound dioxygenases and (2) mechanisms for optimizing contact with water-insoluble hydrocarbons...

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Tryptophan

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enzymes, namely indoleamine 2,3-dioxygenase (IDO) in the immune system and the brain, and tryptophan 2,3-dioxygenase (TDO) in the liver, are responsible...

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Hypotaurine

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first oxidized to its sulfinic acid, catalyzed by the enzyme cysteine dioxygenase. Cysteine sulfinic acid, in turn, is decarboxylated by sulfinoalanine...

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Kainic acid

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contains an annotated N-prenyltransferase, α-ketoglutarate (αKG)-dependent dioxygenase, and several retrotransposable elements. To confirm production of kainic...

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Quinolinic acid

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result of activation of indoleamine dioxygenases (to be specific, IDO-1 and IDO-2) as well as tryptophan 2,3-dioxygenase (TDO) stimulation by inflammatory...

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Microbial biodegradation

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examples of true redundancy. For example, the multiplicity of ring-cleaving dioxygenases in certain rhodococcal isolates may be attributed to the cryptic aromatic...

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Domoic acid

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cyclase), dabB (hypothetical protein), dabC (α-ketoglutarate–dependent dioxygenase), and dabD (CYP450). Domoic acid biosynthesis begins with the DabA-catalyzed...

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Epigenetics in learning and memory

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expression. Studies with histone deactylase complex inhibitors like SAHA, toluene, garcinol, trichostatin A and sodium butyrate have shown that acetylation...

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