Ligand amylose

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Basic Ligand Information

Molecular Structure
Picture of amylose (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C18H30O16R2
amylose
RMRCNWBMXRMIRW-WYVZQNDMSA-L
Synonyms:
(1,4-alpha-D-glucosyl)n, (1,4-alpha-glucosyl)n, (alpha-1,4 glucan)n, 1,4-alpha-D-glucan, alpha-1,4-glucosyl-polyglucan, alpha-1,4-polyglucan, malto-oligomers, malto-oligosaccharide, malto-oligosaccharides, maltodextrin, maltodextrins, maltooligomers, maltooligosacccharide, maltooligosaccharide, oligosaccharides with alpha-1,4-glucosidic linkages, [(1,4)-alpha-D-glucosyl]n, [(1-4)-alpha-D-glucosyl]n, [(1->4)-alpha-D-glucosyl]n


Show all pahtways known for Show all BRENDA pathways known for amylose

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (35 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
[(1->4)-alpha-D-glucosyl]n + [(1->6)-alpha-D-glucosyl]m = [(1->4)-alpha-D-glucosyl]n-1 + [(1->6)-alpha-D-glucosyl]m+1
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alpha-maltose 1-phosphate + [(1->4)-alpha-D-glucosyl]n = phosphate + [(1->4)-alpha-D-glucosyl]n+2
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amylose + H2O = maltose + ?
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amylose + H2O = maltose
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(1,4-alpha-D-glucosyl)n = 1,5-anhydro-D-fructose + (1,4-alpha-D-glucosyl)n-1
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In Vivo Product in Enzyme-catalyzed Reactions (22 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
ADP-glucose + alpha-1,4-polyglucan = ADP + alpha-1,4-polyglucan
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4'-O-(1,4-alpha-D-glucosyl)n-alpha,alpha'-trehalose + H2O = (1,4-alpha-D-glucosyl)n + alpha,alpha'-trehalose
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phosphorylase-limit dextrin = maltodextrin + ?
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Substrate in Enzyme-catalyzed Reactions (175 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
malto-oligosaccharide + acceptor = ?
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alpha-maltose 1-phosphate + [(1->4)-alpha-D-glucosyl]n = phosphate + [(1->4)-alpha-D-glucosyl]n+2
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ATP + maltodextrin + H2O = ?
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amylose + H2O = ?
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maltooligosacccharide + H2O = D-glucose
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amylose + H2O = ?
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(1,4-alpha-D-glucosyl)n = 1,5-anhydro-D-fructose + (1,4-alpha-D-glucosyl)n-1
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Product in Enzyme-catalyzed Reactions (73 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
n sucrose = [(1->4)-alpha-D-glucosyl]n + n fructose
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amylose polysulfate + H2O = amylose + sulfate
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dextran + H2O = malto-oligosaccharides
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phosphorylase-limit dextrin = maltodextrin + ?
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D-glucose + maltooligosaccharide = maltooligosaccharide
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maltooligosaccharide + H2O = maltooligosaccharide
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Activator in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
favores CGTase synthesis
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activation is caused by an endotransglycosylation reaction catalyzed by EC 3.2.1.41
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about 145% activity at 0.1% (w/v)
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Inhibitor in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
0.5 mM, inhibition
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Enzyme Kinetic Parameters

kcat Value (Turnover Number) (71 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
53.8
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pH 6.0, 37°C
2400
-
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0.11
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pH 3.5, 95°C

KM Value (95 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
-999
-
Km-value: 0.71 mg/ml, pH 3.5, 95°C
0.32
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F1 and F2 form

References & Links

Links to other databases for amylose

ChEBI
PubChem
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PubChem