Ligand D-xylulose

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Basic Ligand Information

Molecular Structure
Picture of D-xylulose (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C5H10O5
D-xylulose
LQXVFWRQNMEDEE-OVEKKEMJSA-N
Synonyms:
D-threo-2-pentulose, xylulose


Show all pahtways known for Show all BRENDA pathways known for D-xylulose

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (14 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-xylulose + NADH = ? + NAD+
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D-xylulose + NADH + H+ = xylitol + NAD+
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In Vivo Product in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-arabinitol + NAD+ = D-xylulose + NADH + H+
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xylitol + NAD+ = D-xylulose + NADH + H+
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D-arabitinol + NADP+ = D-xylulose + NADPH
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xylitol + NAD+ = D-xylulose + NADH + H+
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xylitol + NADP+ = D-xylulose + NADPH + H+
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D-Lyxose = D-Xylulose
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Substrate in Enzyme-catalyzed Reactions (60 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-xylulose + NADH + H+ = D-arabitol + NAD+
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D-xylulose + NADH = ?
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D-xylulose + NADPH + H+ = D-xylitol + NADP+
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D-xylulose + NAD+ = D-arabitol + NADH
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xylulose + NADPH = ? + NADP+
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xylulose + NADH + H+ = ? + NAD+
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D-xylulose + NADH = ? + NAD+
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D-xylulose + NADH + H+ = xylitol + NAD+
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D-Glucose + D-xylulose = ?
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alpha-D-glucose 1-phosphate + D-xylulose = alpha-D-glucopyranosyl-D-xylulofuranoside + phosphate
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beta-D-glucose 1-phosphate + D-xylulose = 4-O-alpha-D-glucosyl-D-xylulose + phosphate
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ATP + D-xylulose = ?
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ATP + D-xylulose = ADP + D-xylulose 1-phosphate
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ATP + D-xylulose = ?
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D-xylulose = D-xylose + D-lyxose
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D-xylulose = D-ribulose
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D-xylulose = D-lyxose
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D-xylulose = D-xylose + D-lyxose
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D-xylulose = D-lyxose
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Product in Enzyme-catalyzed Reactions (48 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
xylitol + NAD+ = D-xylulose + NADH + H+
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D-arabinitol + NADP+ = D-xylulose + NADPH + H+
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D-xylitol + NAD+ = D-xylulose + NADH + H+
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D-arabinitol + NAD+ = D-xylulose + NADH + H+
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xylitol + NADP+ = D-xylulose + NADPH + H+
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D-arabitol + acceptor = D-xylulose + reduced acceptor
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D-arabitol + acceptor = D-xylulose + reduced acceptor
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D-glyceraldehyde + hydroxypyruvate = D-xylulose + CO2
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D-xylulose 5-phosphate + D-glyceraldehyde = glyceraldehyde 3-phosphate + D-xylulose
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D-xylulose 5-phosphate + H2O = D-xylulose + phosphate
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D-xylulose 5-phosphate + H2O = D-xylulose + phosphate
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2,3-Diketo-D-gulonic acid = D-Xylulose + CO2
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D-ribulose = D-xylulose
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D-Lyxose = D-Xylulose
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D-Xylose = D-Xylulose
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D-Lyxose = D-Xylulose
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D-Lyxose = D-Xylulose
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D-Lyxose = D-Xylulose
show the reaction diagram
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Inhibitor in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE

3D Structure of Enzyme-Ligand-Complex (PDB) (8 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (26 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
196
-
pH 6.0, 25°C
64
-
pH 7.1, 25°C
33
-
22°C, pH 7.5
11.6
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at pH 7.5 and 85°C
7.7
-
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18.2
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in 50 mM glycine-NaOH buffer (pH 9.0), at 40°C

KM Value (39 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
12.5
-
pH 9, 30°C
1.7
-
pH 7.1, 25°C
16
-
22°C, pH 7.5
6
-
37°C, pH 7.5
0.4
-
pH 7.5
524
-
at pH 7.5 and 85°C
32.8
-
in 50 mM glycine-NaOH buffer (pH 9.0), at 40°C

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
10
-
-

References & Links

Links to other databases for D-xylulose

ChEBI
PubChem
ChEBI
PubChem