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Information on EC 1.13.11.11 - tryptophan 2,3-dioxygenase

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IUBMB Comments
A protohemoprotein. In mammals, the enzyme appears to be located only in the liver. This enzyme, together with EC 1.13.11.52, indoleamine 2,3-dioxygenase, catalyses the first and rate-limiting step in the kynurenine pathway, the major pathway of tryptophan metabolism . The enzyme is specific for tryptophan as substrate, but is far more active with L-tryptophan than with D-tryptophan .
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The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Synonyms
ido-1, ido-2, xctdo, l-tryptophan:oxygen 2,3-oxidoreductase (decyclizing), more
REACTION
REACTION DIAGRAM
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ORGANISM
UNIPROT
LITERATURE
L-tryptophan + O2 = N-formyl-L-kynurenine
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