Any feedback?
Please rate this page
(ligand.php)
(0/150)

BRENDA support

Ligand trans-4-coumaric acid

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 trans-4-coumaric acid (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C9H8O3
trans-4-coumaric acid
NGSWKAQJJWESNS-ZZXKWVIFSA-N
Synonyms:
(2E)-3-(4-hydroxyphenyl)prop-2-enoic acid, (2E)-4-hydroxycinnamate, (4-hydroxyphenyl)prop-2-enoate, (E)-4-coumarate, (E)-4-hydroxycinnamate, (E)-p-hydroxycinnamic acid, 4-(E)-coumaric acid, 4-coumarate, 4-coumaric acid, 4-hydroxy-trans-cinnamate, 4-hydroxycinnamate, 4-hydroxycinnamic acid, 4-hydroxy cinnamic acid, 4-OH-cinnamic acid, cis-p-coumarate, Hydroxycinnamic acid, p-coumarate, p-coumaric acid, p-hydroxycinnamate, p-hydroxycinnamic acid, trans-4-hydroxycinnamate, trans-4-hydroxycinnamic acid, trans-p-hydroxycinnamate


Show all pahtways known for Show all BRENDA pathways known for trans-4-coumaric acid

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
UDP-alpha-D-glucose + 4-hydroxycinnamate = UDP + 4-O-(beta-D-glucopyranosyl)-4-hydroxycinnamate
show the reaction diagram
-
UDP-glucose + 4-coumarate = UDP + 4-coumaroyl beta-D-glucoside
show the reaction diagram
-
UDP-glucose + cis-p-coumarate + H2O = 4'-O-beta-D-glucosyl-cis-p-coumarate + UDP
show the reaction diagram
-
4-coumarate = 4-vinylphenol + CO2
show the reaction diagram
-

In Vivo Product in Enzyme-catalyzed Reactions (16 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
phloretate + electron-transfer flavoprotein EtfA-EtfB = 4-coumarate + reduced electron-transfer flavoprotein EtfA-EtfB
show the reaction diagram
-
1-O-(4-coumaroyl)-beta-D-glucose + cyanidin 3-O-[2-O-(2-O-(sinapoyl)-beta-D-xylosyl)-6-O-(6-(4-coumaroyl))-beta-D-glucoside] 5-O-[6-O-(malonyl)-beta-D-glucoside] = 4-coumarate + cyanidin 3-O-[2-O-(2-O-(sinapoyl)-beta-D-xylosyl)-6-O-(6-(4-O-beta-D-glucosyl)-4-coumaroyl)-beta-D-glucoside] 5-O-[6-O-(malonyl)-beta-D-glucoside]
show the reaction diagram
-
L-tyrosine = trans-p-hydroxycinnamate + NH3
show the reaction diagram
-
L-tyrosine = trans-p-hydroxycinnamate + NH3
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (56 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
p-coumaric acid + H2O2 = ?
show the reaction diagram
4-coumaric acid + AH2 + O2 = caffeic acid + A + H2O
show the reaction diagram
-
p-coumaric acid + NADPH + ATP = 3-(4-hydroxphenyl)-2-propen-1-al + NADP+ + AMP + H2O
show the reaction diagram
-
4-coumarate + NADH = ?
show the reaction diagram
-
UDP-glucose + 4-coumaric acid = ?
show the reaction diagram
-
UDP-glucose + 4-coumaric acid = UDP + 4-O-glucosylcoumaric acid
show the reaction diagram
-
UDPglucose + p-coumaric acid = UDP + p-coumaroyl-beta-1-D-glucose
show the reaction diagram
-
UDP-glucose + p-coumarate = UDP + 1-O-p-coumaroyl-beta-D-glucose
show the reaction diagram
-
UDP-glucose + 4-coumaric acid = UDP + 1-O-[4-coumaroyl]-beta-D-glucopyranose
show the reaction diagram
-
dimethylallyl diphosphate + 4-coumarate = diphosphate + 4-O-dimethylallylcoumarate
show the reaction diagram
-
4-nitrophenyl sulfate + 4-coumaric acid = 4-nitrophenol + 4-sulfocinnamic acid
show the reaction diagram
-
3,4-dihydroxyphenylpropanoyl-CoA + 4-coumarate = 3,4-dihydroxyphenylpropanoate + 4-coumaroyl-CoA
show the reaction diagram
-
p-coumaric acid + 2-phenylethyl bromide = 2-phenylethyl p-coumarate + bromide
show the reaction diagram
-
4-hydroxy-trans-cinnamate + NH3 = 4-hydroxy-L-phenylalanine
show the reaction diagram
-
ATP + trans-4-coumaric acid + CoA = AMP + diphosphate + trans-4-coumaroyl-CoA
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (70 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
cinnamate + [reduced NADPH-hemoprotein reductase] + O2 = 4-coumarate + [oxidized NADPH-hemoprotein reductase] + H2O
show the reaction diagram
-
phloretate + electron-transfer flavoprotein EtfA-EtfB = 4-coumarate + reduced electron-transfer flavoprotein EtfA-EtfB
show the reaction diagram
-
1-O-4-coumaroyl-beta-D-glucose + cyanidin 3-O-beta-D-glucoside = 4-coumarate + cyanidin 3,5-di-O-beta-D-glucoside
show the reaction diagram
-
1-O-(4-coumaroyl)-beta-D-glucose + cyanidin 3-O-[2-O-(2-O-(sinapoyl)-beta-D-xylosyl)-6-O-(6-(4-coumaroyl))-beta-D-glucoside] 5-O-[6-O-(malonyl)-beta-D-glucoside] = 4-coumarate + cyanidin 3-O-[2-O-(2-O-(sinapoyl)-beta-D-xylosyl)-6-O-(6-(4-O-beta-D-glucosyl)-4-coumaroyl)-beta-D-glucoside] 5-O-[6-O-(malonyl)-beta-D-glucoside]
show the reaction diagram
-
methyl p-coumarate + H2O = methanol + p-coumarate
show the reaction diagram
-
p-coumaroylcholine = p-coumaric acid + choline
show the reaction diagram
-
p-coumaroyl-CoA + H2O = p-coumaric acid + CoA
show the reaction diagram
-
p-coumaric acid sulfate + H2O = p-coumaric acid + sulfate
show the reaction diagram
-
p-coumaryl beta-D-glucoside = p-coumaric acid + beta-D-glucose
show the reaction diagram
-
N-p-coumaroylglycine + H2O = p-coumarate + glycine
show the reaction diagram
-
4-hydroxycinnamonitrile + H2O = 4-hydroxycinnamic acid + NH3
show the reaction diagram
-
L-tyrosine = trans-p-hydroxycinnamate + NH3
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
activation of P-PST
-
118% activity at 2.5 mM with cellobioside as substrate
-

Inhibitor in Enzyme-catalyzed Reactions (59 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
13.4% inhibition at 0.1 mM
-
50% inhibition above 10 mM, competitive
-
substrate inhibition at concentrations higher than 40 mM
-
competitively inhibits the enzyme by binding to the active site, have a protective effect against reactive oxygen species in cells, structure-function relationship, computational molecular docking, overview
-
1 mM, 14% inhibition
-
1.25 mM, 46% inhibition
-
70.5% residual activity at 2.5 mM with 4-nitrophenyl beta-D-glucopyranoside as substrate
-
slight inhibition
-
33% inhibition at 0.01 mM, 61% inhibition at 0.05 mM
-
inhibits enzyme form CM1, CM2 and CM3
-

3D Structure of Enzyme-Ligand-Complex (PDB) (6 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (55 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE

KM Value (106 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.24
-
-
3.6
-
-
0.0008
-
-
0.6035
-
-
0.044
-
-

Ki Value (8 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.24
-
-
2.39
-
pH 7.4, 37°C

IC50 Value (14 results)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE
0.199
-
pH 7.0, 37°C
0.0969
-
pH 8.0, 37°C, versus xanthine
0.04
-
pH 6.5, 37°C

References & Links

Links to other databases for trans-4-coumaric acid

ChEBI
PubChem
ChEBI
PubChem