Ligand Hexametaphosphate

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Basic Ligand Information

Molecular Structure
Picture of Hexametaphosphate (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
H6O18P6
Hexametaphosphate
SZGVJLCXTSBVKL-UHFFFAOYSA-H

Roles as Enzyme Ligand

Substrate in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
hexametaphosphate + D-glucose = pentametaphosphate + D-glucose 6-phosphate
show the reaction diagram
-
hexametaphosphate + D-mannose = pentaphosphate + D-mannose 6-phosphate
show the reaction diagram
-
ADP + hexametaphosphate = ATP + ?
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
pH 8.2
-
competitive against 3-phospho-D-glycerate and noncompetitive against MgATP2-
-
10 mM, 44% inhibition
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3D Structure of Enzyme-Ligand-Complex (PDB) (1 result)

EC NUMBER
ENZYME 3D STRUCTURE

Enzyme Kinetic Parameters

KM Value (3 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.02
-
pH 7.0, 30°C
0.02
-
pH 7.0
29.39
-
pH 8.0, 30°C

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
1.28
-
pH 7.5, versus 3-phospho-D-glycerate

References & Links

Links to other databases for Hexametaphosphate

ChEBI
PubChem
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PubChem