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EC 1.1.3.23 Details
EC number
1.1.3.23
Accepted name
thiamine oxidase
Reaction
thiamine + 2 O2 + H2O = thiamine acetic acid + 2 H2O2
Other name(s)
thiamin dehydrogenase,
thiamine dehydrogenase,
thiamin:oxygen 5-oxidoreductase
Systematic name
thiamine:oxygen 5-oxidoreductase
CAS registry number
96779-44-1
Comment
A flavoprotein (FAD). The product differs from thiamine in replacement of -CH2.CH2.OH by -CH2.COOH; the two-step oxidation proceeds without the release of the intermediate aldehyde from the enzyme.
History
created 1984