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BRENDA support

Ligand uridine

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Basic Ligand Information

Molecular Structure
Picture of uridine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C9H12N2O6
uridine
DRTQHJPVMGBUCF-XVFCMESISA-N
Synonyms:
1-Ribosyluracil, 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyrimidine-2,4(1H,3H)-dione, deazauridine, Uridine arabinoside


Show all pahtways known for Show all BRENDA pathways known for uridine

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (11 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
uridine + 2 O2 + H2O = 1-riburonosyluracil + 2 H2O2
show the reaction diagram
-
uridine + ATP = UMP + ADP
show the reaction diagram
-
uridine + H2O = D-ribose + uracil
show the reaction diagram
-

In Vivo Product in Enzyme-catalyzed Reactions (14 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
alpha-D-ribose 1-phosphate + uracil = phosphate + uridine
show the reaction diagram
uridine-mismatched double-stranded DNA + H2O = uridine + double-stranded DNA with abasic site
show the reaction diagram
-
cytidine + H2O = uridine + NH3
show the reaction diagram
-
UDP + 2 H2O = uridine + 2 phosphate
show the reaction diagram
-
UMP + H2O = uridine + phosphate
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (71 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
uridine + O2 = 1-riburonosyluracil + H2O
show the reaction diagram
-
uridine + 2 O2 + H2O = 1-riburonosyluracil + 2 H2O2
show the reaction diagram
-
uridine + 2-oxoglutarate + O2 = ribonolactone + uracil + succinate + CO2
show the reaction diagram
-
guanine + uridine = guanosine + uracil
show the reaction diagram
-
uridine + ATP = UMP + ADP
show the reaction diagram
-
AMP + uridine = adenosine + uridine 5'-phosphate
show the reaction diagram
-
ATP + uridine = ADP + UMP
show the reaction diagram
-
ATP + uridine = ?
show the reaction diagram
-
uridine + ATP = UMP + ADP
show the reaction diagram
-
ATP + uridine = ADP + uridine 5'-phosphate
show the reaction diagram
-
3 uridine = ?
show the reaction diagram
-
4-nitrophenyl sulfate + uridine = 4-nitrophenol + uridine 2'-sulfate
show the reaction diagram
-
p-nitrophenyl phosphate + uridine = ?
show the reaction diagram
-
uridine + H2O = D-ribose + uracil
show the reaction diagram
-
uridine + H2O = uracil + D-ribose
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (65 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
2'-deoxyuridine + 2-oxoglutarate + O2 = uridine + succinate + CO2
show the reaction diagram
-
zebularine + H2O + O2 = uridine + H2O2
show the reaction diagram
-
uracil + phosphoribose diphosphate = diphosphate + uridine
show the reaction diagram
-
alpha-D-ribose 1-phosphate + uracil = phosphate + uridine
show the reaction diagram
CpU + H2O = 3'-CMP + uridine
show the reaction diagram
-
3'-UMP + H2O = uridine + phosphate
show the reaction diagram
-
UMP + H2O = uridine + phosphate
show the reaction diagram
-
3'-UMP + H2O = uridine + phosphate
show the reaction diagram
uridine-mismatched double-stranded DNA + H2O = uridine + double-stranded DNA with abasic site
show the reaction diagram
-
cytidine + H2O = uridine + NH3
show the reaction diagram
-
cytidine + H2O = uridine + NH3
show the reaction diagram
-
UDP + 2 H2O = uridine + 2 phosphate
show the reaction diagram
-
uridine-5'-phosphoro-p-anisidine + H2O = uridine + p-anisidine + phosphate
show the reaction diagram
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orotidine = uridine + CO2
show the reaction diagram
-
UpU + H2O = 3'-UMP + uridine
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
activation, deoxycytidine as substrate, mitochondrial isozyme
-
2',3'-cyclic nucleotide phosphodiesterase activity
-

Inhibitor in Enzyme-catalyzed Reactions (57 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
16% inhibition of fructose 6-phosphate reduction
-
1 mM, about 85% inhibition
-
above 15 mM, competitive inhibition of cleavage of 5-bromodeoxyuridine
competitive inhibition
-
noncompetitive
-
weak, cytosolic isozyme I
-
inhibitor of phosphatase reaction
-
7.5% inhibition at 0.86 mM
-
above 0.4 mM
-

3D Structure of Enzyme-Ligand-Complex (PDB) (42 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (43 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
0.09
-
pH 7.4
1.67
-
15fold reduction

KM Value (119 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.08
-
-
4.71
-
38°C, pH 7.5
0.86
-
pH 8.0, 37ºC
1.7
-
pH 7.0, 37°C
0.8
-
pH and temperature not specified in the publication

Ki Value (12 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
90
-
80°C, pH 5.0
90
-
-
0.25
-
-
0.047
-
-
0.013
0.05
dependent on the assay method, pH 8.5, temperature not specified in the publication

IC50 Value (3 results)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE
0.05
-
pH 8.5, temperature not specified in the publication

References & Links

Links to other databases for uridine

ChEBI
PubChem
ChEBI
PubChem