Ligand L-ribulose

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Basic Ligand Information

Molecular Structure
Picture of L-ribulose (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C5H10O5
L-ribulose
LQXVFWRQNMEDEE-QRHDOFTISA-N
Synonyms:
L(or D)-ribulose, L-arabinulose, L-erythro-2-pentulose


Show all pahtways known for Show all BRENDA pathways known for L-ribulose

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
ATP + L-ribulose = ADP + L-ribulose 5-phosphate
show the reaction diagram
L-ribulose + ATP = L-ribulose 5-phosphate + ADP
show the reaction diagram
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L-ribulose = L-arabinose
show the reaction diagram
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L-ribulose = L-ribose
show the reaction diagram
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In Vivo Product in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
L-arabinitol + NAD+ = L-ribulose + NADH + H+
show the reaction diagram
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L-arabitol + NAD+ = L-ribulose + NADH + H+
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L-Arabinose = L-Ribulose
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L-Arabinose = L-Ribulose
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L-ribose = L-ribulose
show the reaction diagram
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L-ribose = L-ribulose
show the reaction diagram
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Substrate in Enzyme-catalyzed Reactions (17 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
L-ribulose + NADPH + H+ = ? + NADP+
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L-ribulose + NADPH = ? + NADP+
show the reaction diagram
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L-ribulose + NADH + H+ = ?
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alpha-D-glucose 1-phosphate + L-arabinulose = ?
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ATP + L-ribulose = ADP + L-ribulose 5-phosphate
show the reaction diagram
ATP + L-ribulose = ?
show the reaction diagram
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ATP + L-ribulose = ADP + L-ribulose 5-phosphate
show the reaction diagram
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L-ribulose = L-arabinose + L-ribose
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L-ribulose = L-xylulose
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L-ribulose = L-ribose
show the reaction diagram
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L-ribulose = L-ribose + L-arabinose
show the reaction diagram
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L-ribulose = L-arabinose
show the reaction diagram
-
L-ribulose = L-ribose
show the reaction diagram
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L-ribulose = L-ribose
show the reaction diagram
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L-ribulose = L-ribose
show the reaction diagram
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Product in Enzyme-catalyzed Reactions (15 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
L-arabinitol + NAD+ = L-ribulose + NADH + H+
show the reaction diagram
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L-glyceraldehyde + hydroxypyruvate = L-ribulose + ?
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L-xylulose = L-ribulose
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L-ribose = L-ribulose
show the reaction diagram
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L-ribose = L-ribulose
show the reaction diagram
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L-Arabinose = L-Ribulose
show the reaction diagram
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L-ribose = L-ribulose
show the reaction diagram
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L-ribose = L-ribulose
show the reaction diagram
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L-ribose = L-ribulose
show the reaction diagram
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Inhibitor in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE

3D Structure of Enzyme-Ligand-Complex (PDB) (1 result)

EC NUMBER
ENZYME 3D STRUCTURE

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (15 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
0.49
-
pH 7.0, temperature not specified in the publication
0.22
-
pH 8.0, 60°C
1.7
-
at pH 7.5 and 75°C
241.7
-
pH 7.5, 23°C, recombinant His6-tagged wild-type enzyme
17
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in 50 mM Tris-HCl buffer (pH 7.5), at 65°C
108.8
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in 50 mM glycine-NaOH buffer (pH 9.0), at 40°C

KM Value (19 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.18
-
pH 7.0, temperature not specified in the publication
1.5
-
pH 9.5, 25°C
0.37
-
25°C, pH 7
291
-
pH 8.0, 60°C
65
-
at pH 7.5 and 75°C
319
-
in 50 mM Tris-HCl buffer (pH 7.5), at 65°C
15.4
-
in 50 mM glycine-NaOH buffer (pH 9.0), at 40°C

References & Links

Links to other databases for L-ribulose

ChEBI
PubChem
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PubChem