1.13.11.11: tryptophan 2,3-dioxygenase
This is an abbreviated version!
For detailed information about tryptophan 2,3-dioxygenase, go to the full flat file.
Word Map on EC 1.13.11.11
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1.13.11.11
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indoleamine
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kynurenine
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immunotherapy
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heme
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serotonin
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checkpoint
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l-trp
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n-formylkynurenine
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quinolinic
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tolerogenic
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3-monooxygenase
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3,4-dioxygenase
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heme-containing
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2,3-dioxygenase-1
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tryptophan-degrading
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3-hydroxyanthranilate
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indoleamine-2,3-dioxygenase
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picolinic
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tryptophan-catabolizing
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pyrrolase
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3-hydroxykynurenine
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medicine
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drug development
- 1.13.11.11
- indoleamine
- kynurenine
-
immunotherapy
- heme
- serotonin
-
checkpoint
- l-trp
- n-formylkynurenine
-
quinolinic
-
tolerogenic
-
3-monooxygenase
-
3,4-dioxygenase
-
heme-containing
-
2,3-dioxygenase-1
-
tryptophan-degrading
- 3-hydroxyanthranilate
- indoleamine-2,3-dioxygenase
-
picolinic
-
tryptophan-catabolizing
-
pyrrolase
- 3-hydroxykynurenine
- medicine
- drug development
Reaction
Synonyms
33737, BRAFLDRAFT_210874, C28H8.11, EC 1.11.1.4, hTDO, IDO-1, IDO-2, IDO1, IDO2, indoleamine 2,3-dioxygenase 1, indoleamine 2,3-dioxygenase 2, TDO, TDO2, TDOa, tryptophan 2,3-dioxygenase, tryptophan 2,3-dioxygenase 2, tryptophan 2,3-dioxygenase-2, tryptophan-2,3-dioxygenase, v1g157887, vCG5163, XcTDO
ECTree
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General Stability
General Stability on EC 1.13.11.11 - tryptophan 2,3-dioxygenase
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high tryptophan levels stabilize the active tetrameric conformation of the enzyme through binding noncatalytic exosites, resulting in rapid catabolism of tryptophan
in low tryptophan, the lack of tryptophan binding in the exosites destabilizes the tetramer into inactive monomers and dimers
one of the most rapidly degraded liver proteins with a half-life (t1/2) of about 2.3 h, relative to an average t1/2 of about 2-3 days for total liver protein
the nonmetabolizable analog alpha-methyl-tryptophan stabilizes tetrameric enzyme and thereby stably reduces tryptophanemia