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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2008-10-16 22:24:20 UTC
Update Date2020-11-09 23:18:08 UTC
HMDB IDHMDB0011105
Secondary Accession Numbers
  • HMDB11105
Metabolite Identification
Common Name5-Acetylamino-6-formylamino-3-methyluracil
Description5-Acetylamino-6-formylamino-3-methyluracil, also known as AFMU, belongs to the class of organic compounds known as hydroxypyrimidines. These are organic compounds containing a hydroxyl group attached to a pyrimidine ring. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. 5-Acetylamino-6-formylamino-3-methyluracil is an extremely weak basic (essentially neutral) compound (based on its pKa). 5-acetylamino-6-formylamino-3-methyluracil can be biosynthesized from paraxanthine and acetyl-CoA through the action of the enzyme arylamine N-acetyltransferase 2. In humans, 5-acetylamino-6-formylamino-3-methyluracil is involved in caffeine metabolism.
Structure
Data?1582752868
Synonyms
ValueSource
AFMUKegg
Chemical FormulaC8H10N4O4
Average Molecular Weight226.1894
Monoisotopic Molecular Weight226.070204828
IUPAC NameN-(6-formamido-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide
Traditional NameAFMU
CAS Registry NumberNot Available
SMILES
CN1C(=O)NC(NC=O)=C(NC(C)=O)C1=O
InChI Identifier
InChI=1S/C8H10N4O4/c1-4(14)10-5-6(9-3-13)11-8(16)12(2)7(5)15/h3H,1-2H3,(H,9,13)(H,10,14)(H,11,16)
InChI KeyRDZNZFGKEVDNPK-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as hydroxypyrimidines. These are organic compounds containing a hydroxyl group attached to a pyrimidine ring. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDiazines
Sub ClassPyrimidines and pyrimidine derivatives
Direct ParentHydroxypyrimidines
Alternative Parents
Substituents
  • Pyrimidone
  • Hydroxypyrimidine
  • Hydropyrimidine
  • Heteroaromatic compound
  • Lactam
  • Azacycle
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Carboximidic acid derivative
  • Carboximidic acid
  • Hydrocarbon derivative
  • Organopnictogen compound
  • Organic oxygen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Organic oxide
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
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
  • Feces
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot Available
Normal
      Not Available
details
BloodDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
UrineDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
UrineDetected and Quantified5.11 +/- 0.11 umol/mmol creatinineAdult (>18 years old)BothNormal details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
UrineDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Colorectal adenoma
details
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB027888
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC16365
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound108214
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available

Enzymes

General function:
Involved in acetyltransferase activity
Specific function:
Participates in the detoxification of a plethora of hydrazine and arylamine drugs. Catalyzes the N- or O-acetylation of various arylamine and heterocyclic amine substrates and is able to bioactivate several known carcinogens.
Gene Name:
NAT1
Uniprot ID:
P18440
Molecular weight:
33898.445
Reactions
Paraxanthine → 5-Acetylamino-6-formylamino-3-methyluracildetails
General function:
Involved in acetyltransferase activity
Specific function:
Participates in the detoxification of a plethora of hydrazine and arylamine drugs. Catalyzes the N- or O-acetylation of various arylamine and heterocyclic amine substrates and is able to bioactivate several known carcinogens.
Gene Name:
NAT2
Uniprot ID:
P11245
Molecular weight:
33570.245
Reactions
Paraxanthine → 5-Acetylamino-6-formylamino-3-methyluracildetails
General function:
Involved in acetyltransferase activity
Specific function:
Not Available
Gene Name:
NAT2
Uniprot ID:
A4Z6T7
Molecular weight:
33570.2