ID   1.17.9.1
DE   4-methylphenol dehydrogenase (hydroxylating).
AN   4-cresol dehydrogenase (hydroxylating).
AN   p-cresol-(acceptor) oxidoreductase (hydroxylating).
AN   p-cresol methylhydroxylase.
CA   4-methylphenol + H2O + 4 oxidized [azurin] = 4-hydroxybenzaldehyde +
CA   4 H(+) + 4 reduced [azurin].
CC   -!- This bacterial enzyme contains a flavin (FAD) subunit and a
CC       cytochrome c subunit.
CC   -!- The flavin subunit abstracts two hydrogen atoms from the substrate,
CC       forming a quinone methide intermediate, then hydrates the latter at
CC       the benzylic carbon with a hydroxyl group derived from water.
CC   -!- The protons are lost to the bulk solvent, while the electrons are
CC       passed to the heme on the cytochrome subunit, and from there to
CC       azurin, a small copper-binding protein that is co-localized with the
CC       enzyme in the periplasm.
CC   -!- The first hydroxylation forms 4-hydroxybenzyl alcohol; a second
CC       hydroxylation converts this into 4-hydroxybenzaldehyde.
CC   -!- Formerly EC 1.17.99.1.
DR   P09788, DH4C_PSEPU ;
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