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1.14.15.25: p-cymene methyl-monooxygenase

This is an abbreviated version!
For detailed information about p-cymene methyl-monooxygenase, go to the full flat file.

Reaction

p-cymene
+
O2
+ 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ =
4-Isopropylbenzyl alcohol
+ 2 oxidized ferredoxin [iron-sulfur] cluster +
H2O

Synonyms

cymA, cymAa, CymB, CymM, p-cymene methyl hydroxylase

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.15 With reduced iron-sulfur protein as one donor, and incorporation of one atom of oxygen into the other donor
                1.14.15.25 p-cymene methyl-monooxygenase

Systematic Name

Systematic Name on EC 1.14.15.25 - p-cymene methyl-monooxygenase

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SYSTEMATIC NAME
IUBMB Comments
p-cymene,ferredoxin:oxygen oxidoreductase (methyl-hydroxylating)
The enzyme, characterized from several Pseudomonas strains, initiates p-cymene catabolism through hydroxylation of the methyl group. The enzyme has a distinct preference for substrates containing at least an alkyl or heteroatom substituent at the para-position of toluene. The electrons are provided by a reductase (EC 1.18.1.3, ferredoxin---NAD+ reductase) that transfers electrons from NADH via FAD and an [2Fe-2S] cluster. In Pseudomonas chlororaphis the presence of a third component of unknown function greatly increases the activity. cf. EC 1.14.15.26, toluene methyl-monooxygenase.