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BRENDA support

Ligand (7R)-5,6,7,8-tetrahydrobiopterin

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Basic Ligand Information

Molecular Structure
Picture of (7R)-5,6,7,8-tetrahydrobiopterin (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C9H15N5O3
(7R)-5,6,7,8-tetrahydrobiopterin
UUJCZDAMSPXYEU-RPDRRWSUSA-N
Synonyms:
(7R)-5,6,7,8-tetrahydropterin, (7R)-tetrahydrobiopterin

Roles as Enzyme Ligand

Substrate in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
L-phenylalanine + (7R)-5,6,7,8-tetrahydrobiopterin + O2 = L-tyrosine + 4a-hydroxytetrahydrobiopterin
show the reaction diagram
-

Enzyme Cofactor/Cosubstrate (1 result)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
8fold lower affinity and activity compared with 6(R)BH4
-

Inhibitor in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
recombinant pinal enzyme, 2.1 mM, 50% inhibition
-

Enzyme Kinetic Parameters

KM Value (2 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.2
-
recombinant enzyme
2.1
-
substrate tryptophan

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.0015
-
-

References & Links

Links to other databases for (7R)-5,6,7,8-tetrahydrobiopterin

ChEBI
PubChem
-
PubChem