Ligand 1-kestose

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Basic Ligand Information

Molecular Structure
Picture of 1-kestose (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C18H32O16
1-kestose
VAWYEUIPHLMNNF-OESPXIITSA-N
Synonyms:
1,1-kestose, 1-kestotriose, 1F(1-beta-D-fructofuranosyl)sucrose, 1F-beta-D-fructosylsucrose, alpha-D-glucopyranosyl-(1,2)-beta-D-fructofuranosyl-(1,2)-beta-D-fructofuranose, beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl alpha-D-glucopyranoside, kestose
Pathway Source
Pathways

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (2 results)

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

In Vivo Product in Enzyme-catalyzed Reactions (3 results)

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

Substrate in Enzyme-catalyzed Reactions (58 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
1-kestotriose + sucrose = 1,6-kestotetraose + ?
show the reaction diagram
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sucrose + kestose = ?
show the reaction diagram
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1-kestose + H2O = D-fructose
show the reaction diagram
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1-kestose + H2O = ?
show the reaction diagram
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1-kestose = di-D-fructofuranose 1,2':2,3'-dianhydride + D-glucose
show the reaction diagram
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Product in Enzyme-catalyzed Reactions (42 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
1,6G-kestotetraose + H2O = 1-kestotriose + fructose
show the reaction diagram
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-
sucrose = 1-kestose
show the reaction diagram
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inulin + H2O = 2 1-Kestose
show the reaction diagram
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beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl-(2->1)-alpha-D-glucopyranoside = di-D-fructofuranose 1,2':2,3' dianhydride + 1-kestose
show the reaction diagram
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3D Structure of Enzyme-Ligand-Complex (PDB) (1 result)

EC NUMBER
ENZYME 3D STRUCTURE

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (6 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
-999
-
5 mM substrate: wild-type enzyme about 23 mol fructose/mol enzyme, mutant about 8 mol fructose/mol enzyme
21
-
in 50 mM sodium acetate buffer, pH 5.0, at 30°C

KM Value (16 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
88
-
pH 5.7, 30°C
8.4
-
-

References & Links

Links to other databases for 1-kestose

ChEBI
PubChem
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PubChem