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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2005-11-16 15:48:42 UTC
Update Date2021-09-14 15:44:40 UTC
HMDB IDHMDB0000497
Secondary Accession Numbers
  • HMDB00497
Metabolite Identification
Common Name5,6-Dihydrouridine
Description5,6-Dihydrouridine belongs to the class of organic compounds known as glycosylamines. Glycosylamines are compounds consisting of an amine with a beta-N-glycosidic bond to a carbohydrate, thus forming a cyclic hemiaminal ether bond (alpha-amino ether). 5,6-Dihydrouridine has been detected, but not quantified in, a few different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), and domestic pigs (Sus scrofa domestica). This could make 5,6-dihydrouridine a potential biomarker for the consumption of these foods. Based on a literature review a significant number of articles have been published on 5,6-Dihydrouridine.
Structure
Thumb
Synonyms
ValueSource
1-beta-D-RibofuranosylhydrouracilChEBI
3,4-DihydrouridineChEBI
DChEBI
1-b-D-RibofuranosylhydrouracilGenerator
1-Β-D-ribofuranosylhydrouracilGenerator
Dihydro-1-b-D-ribofuranosyl-2,4(1H,3H)-pyrimidinedioneHMDB
Dihydro-1-beta-delta-ribofuranosyl-2,4(1H,3H)-pyrimidinedioneHMDB
DihydrouridineHMDB
5,6-DihydrouridineMeSH
Chemical FormulaC9H14N2O6
Average Molecular Weight246.2173
Monoisotopic Molecular Weight246.08518619
IUPAC Name1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,3-diazinane-2,4-dione
Traditional Namedihydrouridine
CAS Registry Number5627-05-4
SMILES
OC[C@H]1O[C@H]([C@H](O)[C@@H]1O)N1CCC(=O)NC1=O
InChI Identifier
InChI=1S/C9H14N2O6/c12-3-4-6(14)7(15)8(17-4)11-2-1-5(13)10-9(11)16/h4,6-8,12,14-15H,1-3H2,(H,10,13,16)/t4-,6-,7-,8-/m1/s1
InChI KeyZPTBLXKRQACLCR-XVFCMESISA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as glycosylamines. Glycosylamines are compounds consisting of an amine with a beta-N-glycosidic bond to a carbohydrate, thus forming a cyclic hemiaminal ether bond (alpha-amino ether).
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbohydrates and carbohydrate conjugates
Direct ParentGlycosylamines
Alternative Parents
Substituents
  • N-glycosyl compound
  • Pentose monosaccharide
  • Pyrimidone
  • Hydropyrimidine
  • 1,2,5,6-tetrahydropyrimidine
  • Monosaccharide
  • Pyrimidine
  • Tetrahydrofuran
  • Secondary alcohol
  • Carbonic acid derivative
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Oxacycle
  • Azacycle
  • Organoheterocyclic compound
  • Hydrocarbon derivative
  • Organonitrogen compound
  • Organopnictogen compound
  • Carbonyl group
  • Alcohol
  • Primary alcohol
  • Organic nitrogen compound
  • Organic oxide
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot Available
Normal
      Not Available
details
UrineDetected and Quantified6.37 +/- 1.38 umol/mmol creatinineAdult (>18 years old)BothNormal details
UrineDetected and Quantified7.03 +/- 1.31 umol/mmol creatinineAdult (>18 years old)FemaleNormal details
UrineDetected and Quantified5.83 +/- 1.22 umol/mmol creatinineAdult (>18 years old)MaleNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB022076
KNApSAcK IDNot Available
Chemspider ID85115
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkDihydrouridine
METLIN ID5483
PubChem Compound94312
PDB IDNot Available
ChEBI ID23774
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceCerutti, Peter; Kondo, Yoshikazu; Landis, W. R.; Witkop, Bernhard. Photoreduction of uridine and reduction of dihydrouridine with sodium borohydride. Journal of the American Chemical Society (1968), 90(3), 771-5.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Liebich HM, Di Stefano C, Wixforth A, Schmid HR: Quantitation of urinary nucleosides by high-performance liquid chromatography. J Chromatogr A. 1997 Feb 28;763(1-2):193-7. [PubMed:9129323 ]
  2. Reimer ML, Schram KH, Nakano K, Yasaka T: The identification of 5,6-dihydrouridine in normal human urine by combined gas chromatography/mass spectrometry. Anal Biochem. 1989 Sep;181(2):302-8. [PubMed:2817393 ]
  3. Topp H, Duden R, Schoch G: 5,6-Dihydrouridine: a marker ribonucleoside for determining whole body degradation rates of transfer RNA in man and rats. Clin Chim Acta. 1993 Sep 17;218(1):73-82. [PubMed:8299222 ]

Enzymes

General function:
Involved in catalytic activity
Specific function:
Dihydrouridine synthase. Catalyzes the synthesis of dihydrouridine, a modified base found in the D-loop of most tRNAs
Gene Name:
DUS2L
Uniprot ID:
Q9NX74
Molecular weight:
55049.8
General function:
Involved in catalytic activity
Specific function:
Catalyzes the synthesis of dihydrouridine, a modified base found in the D-loop of most tRNAs
Gene Name:
DUS1L
Uniprot ID:
Q6P1R4
Molecular weight:
53230.0
General function:
Involved in catalytic activity
Specific function:
Catalyzes the synthesis of dihydrouridine, a modified base found in the D-loop of most tRNAs
Gene Name:
DUS3L
Uniprot ID:
Q96G46
Molecular weight:
72593.3
General function:
Involved in catalytic activity
Specific function:
Catalyzes the synthesis of dihydrouridine, a modified base found in the D-loop of most tRNAs
Gene Name:
DUS4L
Uniprot ID:
O95620
Molecular weight:
35816.2
General function:
Involved in catalytic activity
Specific function:
Not Available
Gene Name:
PP35
Uniprot ID:
A4D0R5
Molecular weight:
35816.2