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ENZYME entry: EC

Accepted Name
5-pyridoxate monooxygenase.
Alternative Name(s)
5-pyridoxate dioxygenase.
5-pyridoxate oxidase.
Reaction catalysed
5-pyridoxate + NADPH + O2 <=> 2-(acetamidomethylene)-3-(hydroxymethyl)succinate + NADP(+)
  • The enzyme, characterized from the bacterium Arthrobacter sp Cr-7, participates in the degradation of pyridoxine (vitamin B6).
  • Although the enzyme was initially thought to be a dioxygenase, oxygen-tracer experiments have suggested that it is a monooxygnase, incorporating only one oxygen atom from molecular oxygen into the product.
  • The second oxygen atom originates from a water molecule, which is regenerated during the reaction and thus does not show up in the reaction equation.
  • Formerly EC
PRIAM enzyme-specific profiles1.14.13.241
KEGG Ligand Database for Enzyme Nomenclature1.14.13.241
IUBMB Enzyme Nomenclature1.14.13.241
MEDLINEFind literature relating to
Rhea expert-curated reactions1.14.13.241

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