1.13.11.24: quercetin 2,3-dioxygenase
This is an abbreviated version!
For detailed information about quercetin 2,3-dioxygenase, go to the full flat file.
Word Map on EC 1.13.11.24
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1.13.11.24
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flavonols
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dioxygenation
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bicupins
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o-heterocycle
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oxygenolysis
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synthesis
- 1.13.11.24
- flavonols
-
dioxygenation
-
bicupins
-
o-heterocycle
-
oxygenolysis
- synthesis
Reaction
Synonyms
2,3-QD, 2,3QD, 2,4-QD, Co-QDO, Co-QueD, Cu2+-containing 2,4-QD, cupin domain-containing protein, Fe-QDO, Fe-QueD, flavonol 2,4-dioxygenase, flavonol 2,4-oxygenase, manganese quercetin 2,3-dioxygenase, manganese quercetin dioxygenase, Mn-QDO, Mn-QueD, Ni-QueD, nickel quercetinase, pirin, QDO, QdoI, QueD, quercetin 2,4-dioxygenase, quercetin dioxygenase, quercetinase, type III extradiol dioxygenase, VdQase, YxaG
ECTree
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Subunits
Subunits on EC 1.13.11.24 - quercetin 2,3-dioxygenase
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dimer
homodimer
trimer
homodimer
he enzyme forms homodimers, which are stabilized by an N-linked heptasaccharide at the dimer interface. The mononuclear type 2 copper center displays two distinct geometries: a distorted tetrahedral coordination, formed by His66, His68, His112, and a water molecule, and a distorted trigonal bipyramidal environment, which additionally comprises Glu73. Manual docking of the substrate quercetin into the active site showed that the different geometries of the copper site might be of catalytic importance