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Identification
YMDB IDYMDB00030
NameDihydrobiopterin
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
DescriptionDihydrobiopterin is an oxidation product of tetrahydrobiopterin in the phenylalanine degradation pathway. [Biocyc PHENYLALANINE-DEG1-PWY]
Structure
Thumb
Synonyms
  • (6R)-6-(L-erythro-1,2-Dihydroxypropyl)-7,8-dihydro-6H-pterin
  • (S-(R*,S*))-2-amino-6-(1,2-dihydroxypropyl)-7,8-dihydro-4(1H)-Pteridinone
  • 2-amino-6-((1R,2S)-1,2-dihydroxypropyl)-7,8-dihydro-4(1H)-Pteridinone
  • 2-amino-6-(1,2-dihydroxypropyl)-7,8-dihydro-4(1H)-Pteridinone
  • 6,7-Dihydrobiopterin
  • 7,8-Dihydro-L-biopterin
  • 7,8-Dihydrobiopterin
  • BH2
  • Dihydrobiopterin
  • L-erythro-1-(2-amino-7,8-dihydro-4-hydroxy-6-pteridinyl)-1,2-Propanediol
  • L-erythro-7,8-Dihydrobiopterin
  • L-erythro-Dihydrobiopterin
  • L-erythro-q-Dihydrobiopterin
  • Q-BH2
  • Quinoid-dihydrobiopterin
  • Quinonoid dihydro-(6H)-biopterin
  • Quinonoid dihydrobiopterin
CAS number6779-87-9
WeightAverage: 239.2312
Monoisotopic: 239.101839307
InChI KeyFEMXZDUTFRTWPE-UHFFFAOYSA-N
InChIInChI=1S/C9H13N5O3/c1-3(15)6(16)4-2-11-7-5(12-4)8(17)14-9(10)13-7/h3,6,15-16H,2H2,1H3,(H4,10,11,13,14,17)
IUPAC Name2-amino-6-(1,2-dihydroxypropyl)-3,4,7,8-tetrahydropteridin-4-one
Traditional IUPAC Name7,8-dihydrobiopterin
Chemical FormulaC9H13N5O3
SMILES[H]OC([H])(C1=NC2=C(N=C(N([H])[H])N([H])C2=O)N([H])C1([H])[H])C([H])(O[H])C([H])([H])[H]
Chemical Taxonomy
Description belongs to the class of organic compounds known as biopterins and derivatives. These are coenzymes containing a 2-amino-pteridine-4-one derivative. They are mainly synthesized in several parts of the body, including the pineal gland.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPteridines and derivatives
Sub ClassPterins and derivatives
Direct ParentBiopterins and derivatives
Alternative Parents
Substituents
  • Biopterin
  • Secondary aliphatic/aromatic amine
  • Hydroxypyrimidine
  • Pyrimidine
  • Heteroaromatic compound
  • 1,2-diol
  • Ketimine
  • Secondary alcohol
  • Azacycle
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Secondary amine
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Imine
  • Organic nitrogen compound
  • Amine
  • Alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Physical Properties
StateSolid
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility1.63 g/LALOGPS
logP-1.6ALOGPS
logP-1.9ChemAxon
logS-2.2ALOGPS
pKa (Strongest Acidic)10.81ChemAxon
pKa (Strongest Basic)3.67ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area132.33 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity68.31 m³·mol⁻¹ChemAxon
Polarizability23.04 ųChemAxon
Number of Rings2ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular LocationsNot Available
Organoleptic PropertiesNot Available
SMPDB PathwaysNot Available
KEGG PathwaysNot Available
SMPDB ReactionsNot Available
KEGG ReactionsNot Available
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
References
References:
  • UniProt Consortium (2011). "Ongoing and future developments at the Universal Protein Resource." Nucleic Acids Res 39:D214-D219.21051339
Synthesis Reference:Gal E M. Synthesis and quantitative aspects of dihydrobiopterin control of cerebral serotonin levels. Advances in experimental medicine and biology (1981), 133 197-206.
External Links:
ResourceLink
CHEBI ID15375
HMDB IDHMDB00038
Pubchem Compound ID252
Kegg IDC02953
ChemSpider ID247
FOODB IDFDB021884
WikipediaDihydrobiopterin
BioCyc IDBIOPTERIN

Enzymes

General function:
Involved in 4-alpha-hydroxytetrahydrobiopterin dehydratase activity
Specific function:
(6R)-6-(L-erythro-1,2-dihydroxypropyl)- 5,6,7,8-tetrahydro-4a-hydroxypterin = (6R)-6-(L-erythro-1,2- dihydroxypropyl)-7,8-dihydro-6H-pterin + H(2)O
Gene Name:
Not Available
Uniprot ID:
P38744
Molecular weight:
14026.0
Reactions
(6R)-6-(L-erythro-1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-4a-hydroxypterin → (6R)-6-(L-erythro-1,2-dihydroxypropyl)-7,8-dihydro-6H-pterin + H(2)O.