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ENZYME entry: EC

Accepted Name
Toluene 2-monooxygenase.
Alternative Name(s)
Toluene ortho-monooxygenase.
Reaction catalysed
  • Toluene + NADH + O(2) <=> 2-methylphenol + NAD(+) + H(2)O
  • 2-methylphenol + NADH + O(2) <=> 3-methylcatechol + NAD(+) + H(2)O
  • The enzyme, characterized from the bacterium Burkholderia cepacia, belongs to a class of nonheme, oxygen-dependent diiron enzymes.
  • It contains a hydroxylase component with two binuclear iron centers, an NADH-oxidoreductase component containing FAD and a [2Fe-2S] iron- sulfur cluster, and a third component involved in electron transfer between the hydroxylase and the reductase.
  • The enzyme dihydroxylates its substrate in two sequential hydroxylations, initially forming 2-methylphenol, which is hydroxylated to 3-methylcatechol.
PRIAM enzyme-specific profiles1.14.13.243
KEGG Ligand Database for Enzyme Nomenclature1.14.13.243
IUBMB Enzyme Nomenclature1.14.13.243
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