Ligand trisodium phosphate

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Basic Ligand Information

Molecular Structure
Picture of trisodium phosphate (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
H3Na3O4P
trisodium phosphate
RYFMWSXOAZQYPI-UHFFFAOYSA-K
Synonyms:
Na3PO4, Sodium phosphate

Show all pahtways known for Show all pathways known for trisodium phosphate

Roles as Enzyme Ligand

Product in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
sodium diphosphate + H2O = sodium phosphate + phosphate
show the reaction diagram
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Activator in Enzyme-catalyzed Reactions (7 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
at pH 5.0-5.8 and pH 7.2
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280-300% activity at 150-200 mM
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stimulating at low concentrations
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Inhibitor in Enzyme-catalyzed Reactions (16 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
50% inhibition at 900 mM
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0.2 M, at pH 6.5, 20% inhibition
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20 mM, 76% inhibition, less efficient than citrate, as good as sulfate, more efficient than Cl-, F-, I-, NO2- or acetate
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5 mM, pH 7.0, 55% inhibition
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inhibited by 0.3 mM
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20 mM, 24.8% residual activity
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20 mM, 24.8% residual activity; 20 mM, 6.2% residual activity
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Ki: 30 mM
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Metals and Ions (6 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
activity increases with increasing salt concentration up to 1 M salt, decrease beyond 1 M salt
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enhances the activity by a maximum of about 280-300% at a concentration of 150-200 mM
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activates
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100 mM, slight activation
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1 M, 200fold stimulation
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100 mosmol/kg osmolality, pH 7.0, stimulates OpuA activity
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Enzyme Kinetic Parameters

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
30
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References & Links

Links to other databases for trisodium phosphate

ChEBI
PubChem
ChEBI
PubChem