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BRENDA support

Ligand quercitrin

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Basic Ligand Information

Molecular Structure
Picture of quercitrin (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C21H20O11
quercitrin
OXGUCUVFOIWWQJ-HQBVPOQASA-N
Synonyms:
2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl 6-deoxy-alpha-L-mannopyranoside, quercetin-3-O-rhamnopyranoside, quercetin-3-O-rhamnoside, quercetin-3-rhamnoside, quercetin 3-alpha-L-rhamnopyranoside, quercetin 3-O-rhamnopyranoside, quercetin 3-O-rhamnoside

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
quercitrin + H2O = quercetin + L-rhamnose
show the reaction diagram
-
quercitrin + H2O = quercetin + L-rhamnose
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
UDP-D-xylose + quercetin 3-O-rhamnoside = UDP + quercetin 3-O-xylosylrhamnoside
show the reaction diagram
-
quercitrin + H2O = quercetin + alpha-L-rhamnose
show the reaction diagram
-
quercitrin + H2O = quercetin + L-rhamnose
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
UDP-L-rhamnose + quercetin = quercetin-3-O-rhamnoside + UDP
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (27 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
13.14% residual activity at 0.1 mM
-
IC50: 0.0456 mM
-
strong binding affinity to the enzyme (RdRp)
-
weak
-
IC50: 0.25 mM
-

3D Structure of Enzyme-Ligand-Complex (PDB) (2 results)

EC NUMBER
ENZYME 3D STRUCTURE

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (3 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
12.2
-
pH 6.9, 37°C
0.22
-
pH 5.0, 95°C
0.22
-
pH 5.0, 09°C, recombinant enzyme

KM Value (5 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
3.095
-
pH 5.0, 95°C
0.07
-
pH 5.0, 09°C, recombinant enzyme

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.00038
-
pH 7.4, 25°C, recombinant enzyme

IC50 Value (13 results)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE
0.00015
-
pH 7.4, 25°C
0.00056
-
pH 7.0, 25°C
0.04
-
pH 7.4, 25°C, recombinant enzyme
0.0012
-
pH 7.5, 22°C
0.0456
-
IC50: 0.0456 mM
0.03305
-
-
0.25
-
IC50: 0.25 mM
0.2
-
pH 6.0, 37°C

References & Links

Links to other databases for quercitrin

ChEBI
PubChem
ChEBI
PubChem