Ligand peonidin

Please wait a moment until all data is loaded. This message will disappear when all data is loaded.

Basic Ligand Information

Molecular Structure
Picture of peonidin (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C16H12O6
peonidin
XFDQJKDGGOEYPI-UHFFFAOYSA-O
Synonyms:
2-(4-hydroxy-3-methoxyphenyl)chromenylium-3,5,7-triol

Roles as Enzyme Ligand

Substrate in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
peonidin + 2 NADPH + 2 H+ = (2S,3S)-3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-2,3-dihydro-1-benzopyran-1-ium + 2 NADP+
show the reaction diagram
-
UDP-alpha-D-galactose + peonidin = UDP + peonidin 3-O-beta-beta-D-galactoside
show the reaction diagram
-
UDP-alpha-D-glucose + peonidin = UDP + peonidin 3-O-beta-D-glucoside
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (8 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
from Vaccinium macrocarpon juice, inhibits in a concentration-dependent manner
-
50% inhibition of phosphorylated, active enzyme at 0.0251 mM, 50% inhibition of unphosphorylated, adenosine monophosphate-activated enzyme at 0.0176 mM
-
mixed competitive and noncompetitive inhibition, partial hyperbolic type of inhibition
-
anthocyanidin, inhibition of isozyme IIbeta decatenation activity
-

Enzyme Kinetic Parameters

KM Value (1 result)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.14
-
pH 8.6, 30C

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.01
-
in an aqueous buffer solution, pH 7.5, containing 94 mM KCl, 9 mM CaCl2, 24 mM Tris and 0.28 mM Triton-X 100

IC50 Value (5 results)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE
0.59
-
-
0.0056
-
at 37C in 10 mM potassium phosphate buffer, pH 7.4, containing 0.05% (w/v) emulphogen
0.0209
-
at 37C in 10 mM potassium phosphate buffer, pH 7.4, containing 0.05% (w/v) emulphogene

References & Links

Links to other databases for peonidin

ChEBI
PubChem
-
PubChem