Ligand xylan

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Basic Ligand Information

Molecular Structure
Picture of xylan (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C20H33O17R
xylan
SIGQQUBJQXSAMW-ZCFIWIBFSA-N
Synonyms:
(1,4-beta-D-xylan)n, (1,4-beta-D-xylooligosaccharide)n, (Xylbeta(1-4))n-m, 1,4-beta-D-xylan, beta-1,4-D-xylan, beta-1,4-xylan, D-xylan, xylan polysaccharide, [(1->4)-beta-D-xylan]n


Show all pahtways known for Show all BRENDA pathways known for xylan

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (18 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
UDP-alpha-D-xylose + xylan = ?
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xylan + H2O = 4-O-methyl-alpha-D-glucuronic acid + ?
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xylan + H2O = beta-D-glucose + ?
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xylan + H2O = ?
show the reaction diagram
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In Vivo Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
acetylated xylan + H2O = xylan + acetate
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Substrate in Enzyme-catalyzed Reactions (86 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
xylan + O2 = ?
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UDP-alpha-D-xylose + xylan = ?
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xylan + H2O = ?
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xylan polysaccharide + H2O = ferulic acid + p-coumaric acid
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xylan + H2O = xylose + arabinose + xylobiose + high-molecular-mass oligosaccharides
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xylan + H2O = ?
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xylan + H2O = ?
show the reaction diagram
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xylan + H2O = ?
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xylan + H2O = xylobiose + xylotetraose + xylohexaose
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xylan + H2O = ?
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xylan + H2O = beta-D-glucose + ?
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xylan + H2O = ?
show the reaction diagram
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xylan + H2O = ?
show the reaction diagram
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xylan + H2O = ?
show the reaction diagram
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xylan + H2O = ?
show the reaction diagram
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xylan + H2O = ?
show the reaction diagram
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xylan + H2O = ?
show the reaction diagram
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xylan + H2O = ?
show the reaction diagram
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Product in Enzyme-catalyzed Reactions (8 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
4-O-methyl-D-glucuronoxylan + H2O = 4-methyl-D-glucuronate + xylan
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xylan + H2O = xylan + beta-D-glucose
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Activator in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
induces activity, maximum activity on beechwood xylan, activity also on oat spelt and birchwood xylan, low levels of activity on wheat arabinoxylan and larchwood xylan
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induces enzyme activity
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Inhibitor in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
above 1% w/v, substrate inhibition
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Enzyme Kinetic Parameters

kcat Value (Turnover Number) (44 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
0.00158
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pH 5.0, 55°C

KM Value (21 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
-999
-
Km-value: 10.28 mg/ml, pH 5.0, 55°C

References & Links

Links to other databases for xylan

ChEBI
PubChem
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PubChem