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Identification
NameGuanine
Accession NumberDB02377  (EXPT01672)
TypeSmall Molecule
GroupsExperimental
DescriptionNot Available
Structure
Thumb
SynonymsNot Available
External Identifiers Not Available
Prescription ProductsNot Available
Generic Prescription ProductsNot Available
Over the Counter ProductsNot Available
International BrandsNot Available
Brand mixturesNot Available
SaltsNot Available
CategoriesNot Available
UNII5Z93L87A1R
CAS number73-40-5
WeightAverage: 150.1182
Monoisotopic: 150.041584775
Chemical FormulaC5H4N5O
InChI KeyInChIKey=IOJBSLDWMHFRAL-UHFFFAOYSA-N
InChI
InChI=1S/C5H4N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H3,6,8,9,10,11)
IUPAC Name
2-amino-1,6-dihydropurin-6-one
SMILES
NC1=Nc2ncnc2C(=O)N1
Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as hypoxanthines. These are compounds containing the purine derivative 1H-purin-6(9H)-one. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassImidazopyrimidines
Sub ClassPurines and purine derivatives
Direct ParentHypoxanthines
Alternative Parents
Substituents
  • Hypoxanthine
  • 6-oxopurine
  • Pyrimidone
  • Pyrimidine
  • Primary aromatic amine
  • Heteroaromatic compound
  • Imidazole
  • Azole
  • Lactam
  • Azacycle
  • Hydrocarbon derivative
  • Primary amine
  • Organooxygen compound
  • Organonitrogen compound
  • Amine
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Pharmacology
IndicationNot Available
PharmacodynamicsNot Available
Mechanism of actionNot Available
Related Articles
AbsorptionNot Available
Volume of distributionNot Available
Protein bindingNot Available
MetabolismNot Available
Route of eliminationNot Available
Half lifeNot Available
ClearanceNot Available
ToxicityNot Available
Affected organismsNot Available
Pathways
PathwayCategorySMPDB ID
Lesch-Nyhan Syndrome (LNS)DiseaseSMP00364
Myoadenylate deaminase deficiencyDiseaseSMP00537
Gout or Kelley-Seegmiller SyndromeDiseaseSMP00365
Azathioprine Action PathwayDrug actionSMP00427
Xanthinuria type IIDiseaseSMP00513
Purine MetabolismMetabolicSMP00050
Adenosine Deaminase DeficiencyDiseaseSMP00144
Xanthine Dehydrogenase Deficiency (Xanthinuria)DiseaseSMP00220
Adenylosuccinate Lyase DeficiencyDiseaseSMP00167
Molybdenum Cofactor DeficiencyDiseaseSMP00203
Purine Nucleoside Phosphorylase DeficiencyDiseaseSMP00210
Adenine phosphoribosyltransferase deficiency (APRT)DiseaseSMP00535
Mitochondrial DNA depletion syndromeDiseaseSMP00536
AICA-RibosiduriaDiseaseSMP00168
Mercaptopurine Action PathwayDrug actionSMP00428
Thioguanine Action PathwayDrug actionSMP00430
Xanthinuria type IDiseaseSMP00512
SNP Mediated EffectsNot Available
SNP Mediated Adverse Drug ReactionsNot Available
ADMET
Predicted ADMET features
PropertyValueProbability
Human Intestinal Absorption+0.9948
Blood Brain Barrier+0.9672
Caco-2 permeable-0.643
P-glycoprotein substrateNon-substrate0.6965
P-glycoprotein inhibitor INon-inhibitor0.9429
P-glycoprotein inhibitor IINon-inhibitor0.9564
Renal organic cation transporterNon-inhibitor0.8827
CYP450 2C9 substrateNon-substrate0.8436
CYP450 2D6 substrateNon-substrate0.8044
CYP450 3A4 substrateNon-substrate0.6861
CYP450 1A2 substrateNon-inhibitor0.7982
CYP450 2C9 inhibitorNon-inhibitor0.9503
CYP450 2D6 inhibitorNon-inhibitor0.9109
CYP450 2C19 inhibitorNon-inhibitor0.8364
CYP450 3A4 inhibitorNon-inhibitor0.8664
CYP450 inhibitory promiscuityLow CYP Inhibitory Promiscuity0.9747
Ames testNon AMES toxic0.591
CarcinogenicityNon-carcinogens0.9624
BiodegradationNot ready biodegradable0.9618
Rat acute toxicity2.3231 LD50, mol/kg Not applicable
hERG inhibition (predictor I)Weak inhibitor0.961
hERG inhibition (predictor II)Non-inhibitor0.9226
ADMET data is predicted using admetSAR, a free tool for evaluating chemical ADMET properties. (23092397 )
Pharmacoeconomics
ManufacturersNot Available
PackagersNot Available
Dosage formsNot Available
PricesNot Available
PatentsNot Available
Properties
StateSolid
Experimental Properties
PropertyValueSource
melting point360 dec °CPhysProp
water solubility2080 mg/L (at 37 °C)YALKOWSKY,SH & DANNENFELSER,RM (1992)
logP-0.91HANSCH,C ET AL. (1995)
Predicted Properties
PropertyValueSource
Water Solubility2.53 mg/mLALOGPS
logP-0.97ALOGPS
logP-1.2ChemAxon
logS-1.8ALOGPS
pKa (Strongest Acidic)6.91ChemAxon
pKa (Strongest Basic)-2.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area97.55 Å2ChemAxon
Rotatable Bond Count0ChemAxon
Refractivity37.24 m3·mol-1ChemAxon
Polarizability12.97 Å3ChemAxon
Number of Rings2ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Mass Spec (NIST)Not Available
SpectraNot Available
References
Synthesis Reference

Takeo Suzuki, Toshihide Nakanishi, “(2’-Amino-2’-deoxypentofuranosyl) guanine and process for producing same.” U.S. Patent US3987030, issued April, 1966.

US3987030
General ReferencesNot Available
External Links
ATC CodesNot Available
AHFS CodesNot Available
PDB Entries
FDA labelNot Available
MSDSNot Available
Interactions
Drug InteractionsNot Available
Food InteractionsNot Available

Targets

Kind
Protein
Organism
Human
Pharmacological action
unknown
General Function:
Purine-nucleoside phosphorylase activity
Specific Function:
The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate.
Gene Name:
PNP
Uniprot ID:
P00491
Molecular Weight:
32117.69 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [PubMed:17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [PubMed:17016423 ]
Kind
Protein
Organism
Escherichia coli (strain K12)
Pharmacological action
unknown
General Function:
Purine-nucleoside phosphorylase activity
Specific Function:
The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate. This protein can degrade all purine nucleosides including xanthosine, inosine and guanosine, but cannot cleave adenosine, deoxyadenosine or hypoxanthine arabinoside. Has...
Gene Name:
xapA
Uniprot ID:
P45563
Molecular Weight:
29834.38 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [PubMed:17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [PubMed:17016423 ]
Kind
Protein
Organism
Escherichia coli (strain K12)
Pharmacological action
unknown
General Function:
Xanthine phosphoribosyltransferase activity
Specific Function:
Acts on guanine, xanthine and to a lesser extent hypoxanthine.
Gene Name:
gpt
Uniprot ID:
P0A9M5
Molecular Weight:
16970.455 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [PubMed:17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [PubMed:17016423 ]
Kind
Protein
Organism
Human
Pharmacological action
unknown
Actions
inhibitor
General Function:
Zinc ion binding
Specific Function:
Positively regulates nitric oxide synthesis in umbilical vein endothelial cells (HUVECs). May be involved in dopamine synthesis. May modify pain sensitivity and persistence. Isoform GCH-1 is the functional enzyme, the potential function of the enzymatically inactive isoforms remains unknown.
Gene Name:
GCH1
Uniprot ID:
P30793
Molecular Weight:
27902.855 Da
References
  1. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. [PubMed:11752352 ]
Kind
Protein
Organism
Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)
Pharmacological action
unknown
General Function:
Purine-nucleoside phosphorylase activity
Specific Function:
The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate.
Gene Name:
Not Available
Uniprot ID:
Q9X1T2
Molecular Weight:
29172.84 Da
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Drug created on June 13, 2005 07:24 / Updated on September 16, 2013 17:18