Ligand 2-hydroxy-1,4-benzoquinone

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Basic Ligand Information

Molecular Structure
Picture of 2-hydroxy-1,4-benzoquinone (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C6H4O3
2-hydroxy-1,4-benzoquinone
GPLIMIJPIZGPIF-UHFFFAOYSA-N
Synonyms:
2-hydroxy-p-benzoquinone, 2-hydroxy-[1,4]-benzoquinone, 2-hydroxyquinone, hydroxybenzoquinone, hydroxyquinone

Roles as Enzyme Ligand

In Vivo Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
4-nitrocatechol + NAD(P)H + H+ + O2 = 2-hydroxy-1,4-benzoquinone + nitrite + NAD(P)+ + H2O
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Substrate in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
hydroxyquinone + O2 = ?
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hydroxyquinone + O2 = ?
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hydroxyquinone + O2 = ?
show the reaction diagram
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hydroxyquinone + O2 = ?
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2-hydroxy-[1,4]-benzoquinone + NADH = 1,2,4-trihydroxybenzene + NAD+
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2-hydroxy-1,4-benzoquinone + NADH = 2-hydroxy-1,4-benzoquinol + NAD+
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Product in Enzyme-catalyzed Reactions (7 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
hydroxyhydroquinone + O2 = hydroxyquinone + H2O
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5-nitrocatechol + O2 + NADPH + H+ = 2-hydroxyquinone + nitrite + H2O + NADP+
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hydroxyhydroquinone + O2 = 2-hydroxy-p-benzoquinone + H2O
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Enzyme Kinetic Parameters

KM Value (1 result)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.036
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pH 6.0, 50°C

References & Links

Links to other databases for 2-hydroxy-1,4-benzoquinone

ChEBI
PubChem
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PubChem