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Ligand (R)-2-hydroxybutyric acid

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Basic Ligand Information

Molecular Structure
Picture of (R)-2-hydroxybutyric acid (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C4H8O3
(R)-2-hydroxybutyric acid
AFENDNXGAFYKQO-GSVOUGTGSA-N
Synonyms:
(2R)-2-hydroxybutanoate, (2R)-2-hydroxybutyrate, (2R)-hydroxybutyrate, (R)-2-hydroxybutanoate, (R)-2-hydroxybutyrate, 2(R)-hydroxybutanoate, D-2-hydroxybutanoate, D-2-hydroxybutyrate

Roles as Enzyme Ligand

Substrate in Enzyme-catalyzed Reactions (16 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
(R)-2-hydroxybutanoate + NAD+ = acetoacetate + NADH
show the reaction diagram
-
D-2-hydroxybutyrate + NAD+ = 2-oxobutyrate + NADH + H+
show the reaction diagram
-
(R)-2-hydroxybutanoate + 2,6-dichlorophenolindophenol = 2-oxobutanoate + reduced 2,6-dichlorophenolindophenol
show the reaction diagram
-
D-2-hydroxybutyrate + ubiquinone-10 = 2-oxobutyrate + ubiquinol-10
show the reaction diagram
-
D-2-hydroxybutyrate + 2-oxoglutarate = ?
show the reaction diagram
-
D-Ala + D-2-hydroxybutanoate + ATP = D-Ala-D-2-hydroxybutanoate + ADP + phosphate
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (8 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
2-oxobutyrate + NADH + H+ = D-2-hydroxybutyrate + NAD+
show the reaction diagram
-
(2R)-hydroxy-4-methylpentanoate + 2-oxo-butyrate = 2-oxo-4-methylpentanoate + (2R)-hydroxybutyrate
show the reaction diagram
-
(R)-alpha-hydroxy-gamma-butyrolactone + H2O = (R)-2-hydroxybutyric acid
show the reaction diagram
-
(S)-2-chlorobutyric acid + H2O = (R)-2-hydroxybutyric acid + chloride
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (10 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
66
-
pH 7.4, 30°C

KM Value (13 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.1
-
pH 7.4, 30°C
4.5
-
no activity with L-isomer, 30°C, pH 7.1

Ki Value (2 results)

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

References & Links

Links to other databases for (R)-2-hydroxybutyric acid

ChEBI
PubChem
ChEBI
PubChem