Ligand erythrose 4-phosphate

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Basic Ligand Information

Molecular Structure
Picture of erythrose 4-phosphate (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C4H9O7P
erythrose 4-phosphate
NGHMDNPXVRFFGS-UHFFFAOYSA-N
Synonyms:
erythrose-4-phosphate

Roles as Enzyme Ligand

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

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
phosphoenolpyruvate + erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate
show the reaction diagram
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In Vivo Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-fructose 6-phosphate + D-glyceraldehyde 3-phosphate = erythrose 4-phosphate + D-xylulose 5-phosphate
show the reaction diagram
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Substrate in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
erythrose 4-phosphate + phosphate + NAD+ = ? + NADH
show the reaction diagram
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D-fructose 6-phosphate + erythrose 4-phosphate = sedoheptulose 7-phosphate + glyceraldehyde 3-phosphate
show the reaction diagram
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phosphoenolpyruvate + erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate
show the reaction diagram
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phosphoenolpyruvate + erythrose 4-phosphate = 3-deoxy-D-ribo-heptulosonate 7-phosphate
show the reaction diagram
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erythrose 4-phosphate + H2O = erythrose + phosphate
show the reaction diagram
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Product in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-fructose 6-phosphate + D-glyceraldehyde 3-phosphate = erythrose 4-phosphate + D-xylulose 5-phosphate
show the reaction diagram
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fructose 6-phosphate + formaldehyde = dihydroxyacetone + erythrose 4-phosphate
show the reaction diagram
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phospho-DhaM + erythrose = dephospho-DhaM + erythrose 4-phosphate
show the reaction diagram
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D-fructose 6-phosphate + phosphate = acetyl phosphate + H2O + erythrose 4-phosphate
show the reaction diagram
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Activator in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
erythrose 4-phosphate plus phosphoenolpyruvate increase quinate oxidizing activity by 25%
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requirement with Mg2+, activation with Mn2+
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Inhibitor in Enzyme-catalyzed Reactions (14 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
at higher concentrations
-
competitive
-
-
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Enzyme Kinetic Parameters

KM Value (4 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.132
-
isoform ToTal1, 25°C, pH 8.5
0.1526
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+/- 0.055

Ki Value (8 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE

References & Links

Links to other databases for erythrose 4-phosphate

ChEBI
PubChem
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PubChem