Ligand (R)-acetoin

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Basic Ligand Information

Molecular Structure
Picture of (R)-acetoin (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C4H8O2
(R)-acetoin
ROWKJAVDOGWPAT-GSVOUGTGSA-N
Synonyms:
(3R)-3-hydroxybutan-2-one, (3R)-acetoin, (R)-2-acetoin, (R)-2-hydroxy-3-oxo-butane, (R)-3-hydroxybutan-2-one, D-(-)-acetoin

Show all pahtways known for Show all pathways known for (R)-acetoin

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE

In Vivo Product in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
diacetyl + NADH + H+ = (R)-acetoin + NAD+
show the reaction diagram
-
-

Substrate in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-(-)-Acetoin = L-(+)-Acetoin
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (27 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
(2R,3R)-2,3-butanediol + NADP+ = (R)-2-acetoin + NADPH + H+
show the reaction diagram
-
-
diacetyl + NADH + H+ = (R)-acetoin + NAD+
show the reaction diagram
-
-
(2R,3R)-2,3-butanediol + NAD+ = (3R)-acetoin + NADH
show the reaction diagram
-
-
2,3-butanedione + NADPH + H+ = (R)-2-hydroxy-3-oxo-butane + NADP+
show the reaction diagram
-
-
pyruvate + acetylphosphinate + NAD+ = (R)-acetoin + ? + NADH
show the reaction diagram
-
-
acetaldehyde = (R)-acetoin
show the reaction diagram
-
-

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (7 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
19.7
-
pH 8.0, 40C

KM Value (15 results)

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

References & Links

Links to other databases for (R)-acetoin

ChEBI
PubChem
ChEBI
PubChem