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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
EC Tree
1.1.5.1 created 1983, deleted 2002
1.1.99.15 created 1978, deleted 1980
1.1.99.17 created 1982, deleted 2003