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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
5-pyridoxate monooxygenase.
Alternative Name(s)
5-pyridoxate dioxygenase.
5-pyridoxate oxidase.
Reaction catalysed
3-hydroxy-4-hydroxymethyl-2-methylpyridine-5-carboxylate + NADPH + O(2) <=> 2-(acetamidomethylene)-3-(hydroxymethyl)succinate + NADP(+)
  • The enzyme, characterized from the bacterium Arthrobacter sp Cr-7, participates in the degradation of pyridoxine (vitamin B(6)).
  • 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
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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.14.13.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.14.-.-
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