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Record Information
Version4.0
StatusDetected and Quantified
Creation Date2005-11-16 15:48:42 UTC
Update Date2019-11-01 16:44:13 UTC
HMDB IDHMDB0000133
Secondary Accession Numbers
  • HMDB00133
Metabolite Identification
Common NameGuanosine
DescriptionGuanosine (G), also known as 2-amino-inosine, belongs to the class of organic compounds known as purine nucleosides. Purine nucleosides are compounds comprising a purine base attached to a ribosyl or deoxyribosyl moiety. Guanosine consists of a guanine attached to a ribose (ribofuranose) ring via a beta-N9-glycosidic bond. Guanosine is a moderately basic compound (based on its pKa). Guanosine exists in all living species, ranging from bacteria to humans. In humans, guanosine is involved in intracellular signalling through adenosine receptor A2B and adenosine. Outside of the human body, guanosine has been detected, but not quantified in, several different foods, such as leeks, garlic, chicory roots, green bell peppers, and black-eyed peas. This could make guanosine a potential biomarker for the consumption of these foods. Guanosine plays an important role in various biochemical processes such as the synthesis of nucleic acids and proteins, photosynthesis, muscle contraction, and intracellular signal transduction (cGMP). Guanosine is a potentially toxic compound. It is very soluble in acetic acid, slightly soluble in water, and insoluble in ethanol, diethyl ether, benzene, and chloroform. The antiviral drug acyclovir, often used in herpes treatment, and the anti-HIV drug abacavir, are both structurally similar to guanosine. Guanosine was also used to make regadenoson. Guanosine is a white, crystalline powder with no odour and a mild saline taste. Guanosine is required for an RNA splicing reaction in mRNA when a "self-splicing" intron removes itself from the mRNA by cutting at both ends, re-ligating, and leaving just the exons on either side to be translated into protein. When guanine is attached by its N9 nitrogen to the C1 carbon of a deoxyribose ring it is known as deoxyguanosine. Guanosine can be found in clovers, coffee plants, and the pollen of pines. Guanosine can be phosphorylated to become guanosine monophosphate (GMP), cyclic guanosine monophosphate (cGMP), guanosine diphosphate (GDP), and guanosine triphosphate (GTP).
Structure
Data?1572626256
Synonyms
ValueSource
2(3H)-Imino-9-beta-D-ribofuranosyl-9H-purin-6(1H)-oneChEBI
2-Amino-1,9-dihydro-9-beta-D-ribofuranosyl-6H-purin-6-oneChEBI
2-Amino-9-beta-D-ribofuranosyl-1,9-dihydro-6H-purin-6-oneChEBI
9-beta-D-Ribofuranosyl-guanineChEBI
GChEBI
Guanine ribosideChEBI
Guanine-9-beta-D-ribofuranosideChEBI
GuanosinChEBI
GuoChEBI
2(3H)-Imino-9-b-D-ribofuranosyl-9H-purin-6(1H)-oneGenerator
2(3H)-Imino-9-β-D-ribofuranosyl-9H-purin-6(1H)-oneGenerator
2-Amino-1,9-dihydro-9-b-D-ribofuranosyl-6H-purin-6-oneGenerator
2-Amino-1,9-dihydro-9-β-D-ribofuranosyl-6H-purin-6-oneGenerator
2-Amino-9-b-D-ribofuranosyl-1,9-dihydro-6H-purin-6-oneGenerator
2-Amino-9-β-D-ribofuranosyl-1,9-dihydro-6H-purin-6-oneGenerator
9-b-D-Ribofuranosyl-guanineGenerator
9-Β-D-ribofuranosyl-guanineGenerator
Guanine-9-b-D-ribofuranosideGenerator
Guanine-9-β-D-ribofuranosideGenerator
2-Amino-1,9-dihydro-9-beta-delta-ribofuranosyl-6H-purin-6-oneHMDB
2-Amino-inosineHMDB
9-beta-delta-Ribofuranosyl-guanineHMDB
b-D-Ribofuranoside guanine-9HMDB
beta-delta-Ribofuranoside guanine-9HMDB
RibonucleosideHMDB
VernineHMDB
Chemical FormulaC10H13N5O5
Average Molecular Weight283.2407
Monoisotopic Molecular Weight283.091668551
IUPAC Name2-amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-1H-purin-6-one
Traditional Nameguanosine
CAS Registry Number118-00-3
SMILES
NC1=NC2=C(N=CN2[C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)C(=O)N1
InChI Identifier
InChI=1S/C10H13N5O5/c11-10-13-7-4(8(19)14-10)12-2-15(7)9-6(18)5(17)3(1-16)20-9/h2-3,5-6,9,16-18H,1H2,(H3,11,13,14,19)/t3-,5-,6-,9-/m1/s1
InChI KeyNYHBQMYGNKIUIF-UUOKFMHZSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as purine nucleosides. Purine nucleosides are compounds comprising a purine base attached to a ribosyl or deoxyribosyl moiety.
KingdomOrganic compounds
Super ClassNucleosides, nucleotides, and analogues
ClassPurine nucleosides
Sub ClassNot Available
Direct ParentPurine nucleosides
Alternative Parents
Substituents
  • Purine nucleoside
  • Glycosyl compound
  • N-glycosyl compound
  • Pentose monosaccharide
  • Imidazopyrimidine
  • Purine
  • Hydroxypyrimidine
  • Monosaccharide
  • N-substituted imidazole
  • Pyrimidine
  • Heteroaromatic compound
  • Azole
  • Imidazole
  • Tetrahydrofuran
  • Secondary alcohol
  • Azacycle
  • Oxacycle
  • Organoheterocyclic compound
  • Primary alcohol
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Alcohol
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effect

Health effect:

Disposition

Route of exposure:

Source:

Biological location:

Process

Naturally occurring process:

Role

Industrial application:

Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point239 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.7 mg/mL at 18 °CNot Available
LogP-1.90SANGSTER (1993)
Predicted Properties
PropertyValueSource
Water Solubility15.3 g/LALOGPS
logP-2.1ALOGPS
logP-2.7ChemAxon
logS-1.3ALOGPS
pKa (Strongest Acidic)10.16ChemAxon
pKa (Strongest Basic)0.45ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area155.22 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity64.62 m³·mol⁻¹ChemAxon
Polarizability26.03 ųChemAxon
Number of Rings3ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (5 TMS)splash10-0f7k-1952000000-c57c052c65f3fa9504afJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-0feb-0963000000-c91b93f300b50fbc99c1JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (4 TMS)splash10-00di-9440000000-361092fc2dc5206fe655JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (5 TMS)splash10-00di-9421000000-b2b15c03b8206196f59fJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0f7k-1952000000-c57c052c65f3fa9504afJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0feb-0963000000-c91b93f300b50fbc99c1JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-00di-9440000000-361092fc2dc5206fe655JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-00di-9421000000-b2b15c03b8206196f59fJSpectraViewer | MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0zml-9670000000-793c36e66ed6430b932bJSpectraViewer
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (3 TMS) - 70eV, Positivesplash10-0159-4945800000-86e8114119c47d85cc53JSpectraViewer
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-0udi-0900000000-ef0cae7d67f9e803f2b2JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-0udi-0900000000-68fb606342b8bb123bb7JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-0f89-0900000000-48d32b9d62eda760619eJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-0f7k-0920000000-f3db23cc762b5fb860e4JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-001i-0900000000-5da62630f03e15d8707cJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-001i-0900000000-1fa2eb473b57a37ecd45JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-0udi-0900000000-d71a3d2995d32c692eb7JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-001i-0390000000-ff54fe98a9c0e1bc104cJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-001i-0900000000-c023445b0f47e6e7267bJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-0udi-0900000000-a094aa75c261cdce24deJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-0udi-0900000000-e114cc69f7ab438abb39JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-001j-0795222100-55ad26c7c4d9f64dd759JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-004i-0900000000-9450dc04b32ca468e146JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-0002-0900000000-0147dd895ffbecfa9668JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-03di-0190000000-5d00bb466dd23f062b86JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-0f89-0690030010-86fae3a6cae3e2b3de2cJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-001i-0900000000-97217b0084eeac14e7e1JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-0udi-0900000000-d0c65e36192b7ebdaae8JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negativesplash10-001i-0090000000-bb8ef433eba795395fe3JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-001i-0090000000-4ceff605ca97b7c0774aJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-0ue9-0960000000-1c286e55d437f33a29b3JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-0udi-0900000000-7149427a8c09f429fdbeJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negativesplash10-0zgi-0900000000-5de849ca7144ca8afe05JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Negativesplash10-053r-0900000000-f97dbc10f152af4df778JSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Positivesplash10-0ue9-0970000000-045435f1be487a94195cJSpectraViewer | MoNA
MSMass Spectrum (Electron Ionization)splash10-0udl-9400000000-5a915ef7129c50e638a7JSpectraViewer | MoNA
1D NMR1H NMR SpectrumNot AvailableJSpectraViewer
1D NMR13C NMR SpectrumNot AvailableJSpectraViewer
2D NMR[1H,1H] 2D NMR SpectrumNot AvailableJSpectraViewer
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableJSpectraViewer
Biological Properties
Cellular Locations
  • Extracellular
  • Mitochondria
  • Lysosome
Biospecimen Locations
  • Blood
  • Breast Milk
  • Cellular Cytoplasm
  • Feces
  • Saliva
  • Urine
Tissue Locations
  • Prostate
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified0.8 +/- 0.5 uMAdult (>18 years old)BothNormal details
Breast MilkDetected and Quantified1.01 +/- 1.59 uMAdult (>18 years old)FemaleNormal details
Cellular CytoplasmDetected and Quantified4.5 +/- 2.9 uMAdult (>18 years old)BothNormal details
FecesDetected but not Quantified Not SpecifiedBoth
Normal
details
FecesDetected but not Quantified Children (6 - 18 years old)Not SpecifiedNormal details
FecesDetected but not Quantified Adult (>18 years old)Both
Normal
details
FecesDetected but not Quantified Adult (>18 years old)Both
Normal
details
FecesDetected but not Quantified Adult (>18 years old)Both
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected but not Quantified Adult (>18 years old)Male
Normal
details
SalivaDetected and Quantified0.101 +/- 0.0647 uMAdult (>18 years old)BothNormal
    • Sugimoto et al. (...
details
SalivaDetected and Quantified0.227 +/- 0.617 uMAdult (>18 years old)Female
Normal
    • Sugimoto et al. (...
details
SalivaDetected and Quantified0.262 +/- 0.285 uMAdult (>18 years old)Female
Normal
    • Sugimoto et al. (...
details
UrineDetected and Quantified0.13 (0.022-0.23) umol/mmol creatinineAdult (>18 years old)BothNormal details
UrineDetected and Quantified0.06 +/- 0.02 umol/mmol creatinineAdult (>18 years old)FemaleNormal details
UrineDetected and Quantified0.05 +/- 0.02 umol/mmol creatinineAdult (>18 years old)BothNormal details
UrineDetected and Quantified0.06 +/- 0.02 umol/mmol creatinineAdult (>18 years old)BothNormal details
UrineDetected and Quantified0-11 umol/mmol creatinineChildren (1 - 18 years old)Both
Normal
    • BC Children's Hos...
details
UrineDetected and Quantified7.8 +/- 8.736 umol/mmol creatinineChildren (1 - 13 years old)Not Specified
Normal
    • Mordechai, Hien, ...
details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not Quantified Adult (>18 years old)BothColorectal Cancer details
FecesDetected but not Quantified Children (6 - 18 years old)BothCrohns disease details
FecesDetected but not Quantified Children (6 - 18 years old)BothUlcerative colitis details
FecesDetected but not Quantified Children (6 - 18 years old)Not SpecifiedCrohns disease details
FecesDetected but not Quantified Children (6 - 18 years old)Not SpecifiedUlcerative colitis details
FecesDetected but not Quantified Children (6 - 18 years old)Not SpecifiedUnclassified IBD details
FecesDetected but not Quantified Adult (>18 years old)BothColorectal Cancer details
FecesDetected but not Quantified Adult (>18 years old)Both
Colorectal cancer
details
SalivaDetected but not Quantified Adult (>18 years old)MaleAttachment loss  details
SalivaDetected but not Quantified Adult (>18 years old)MalePeriodontal Probing Depth details
SalivaDetected but not Quantified Adult (>18 years old)MaleTooth Decay details
SalivaDetected and Quantified0.0609 +/- 0.0661 uMAdult (>18 years old)BothTooth alignment disorders
    • Sugimoto et al. (...
details
UrineDetected and Quantified35.0 - 2588.0 umol/mmol creatinineAdult (>18 years old)BothPurine nucleoside phosphorylase (PNP) deficiency details
UrineDetected and Quantified35-588 umol/mmol creatinineAdult (>18 years old)BothPurine nucleoside phosphorylase (PNP) deficiency details
UrineDetected and Quantified13.601 +/- 7.764 umol/mmol creatinineChildren (1 - 13 years old)Not Specified
Eosinophilic esophagitis
    • Mordechai, Hien, ...
details
Associated Disorders and Diseases
Disease References
Colorectal cancer
  1. Sinha R, Ahn J, Sampson JN, Shi J, Yu G, Xiong X, Hayes RB, Goedert JJ: Fecal Microbiota, Fecal Metabolome, and Colorectal Cancer Interrelations. PLoS One. 2016 Mar 25;11(3):e0152126. doi: 10.1371/journal.pone.0152126. eCollection 2016. [PubMed:27015276 ]
  2. Brown DG, Rao S, Weir TL, O'Malia J, Bazan M, Brown RJ, Ryan EP: Metabolomics and metabolic pathway networks from human colorectal cancers, adjacent mucosa, and stool. Cancer Metab. 2016 Jun 6;4:11. doi: 10.1186/s40170-016-0151-y. eCollection 2016. [PubMed:27275383 ]
  3. Goedert JJ, Sampson JN, Moore SC, Xiao Q, Xiong X, Hayes RB, Ahn J, Shi J, Sinha R: Fecal metabolomics: assay performance and association with colorectal cancer. Carcinogenesis. 2014 Sep;35(9):2089-96. doi: 10.1093/carcin/bgu131. Epub 2014 Jul 18. [PubMed:25037050 ]
Crohn's disease
  1. Kolho KL, Pessia A, Jaakkola T, de Vos WM, Velagapudi V: Faecal and Serum Metabolomics in Paediatric Inflammatory Bowel Disease. J Crohns Colitis. 2017 Mar 1;11(3):321-334. doi: 10.1093/ecco-jcc/jjw158. [PubMed:27609529 ]
Ulcerative colitis
  1. Kolho KL, Pessia A, Jaakkola T, de Vos WM, Velagapudi V: Faecal and Serum Metabolomics in Paediatric Inflammatory Bowel Disease. J Crohns Colitis. 2017 Mar 1;11(3):321-334. doi: 10.1093/ecco-jcc/jjw158. [PubMed:27609529 ]
Attachment loss
  1. Liebsch C, Pitchika V, Pink C, Samietz S, Kastenmuller G, Artati A, Suhre K, Adamski J, Nauck M, Volzke H, Friedrich N, Kocher T, Holtfreter B, Pietzner M: The Saliva Metabolome in Association to Oral Health Status. J Dent Res. 2019 Jun;98(6):642-651. doi: 10.1177/0022034519842853. Epub 2019 Apr 26. [PubMed:31026179 ]
Periodontal Probing Depth
  1. Liebsch C, Pitchika V, Pink C, Samietz S, Kastenmuller G, Artati A, Suhre K, Adamski J, Nauck M, Volzke H, Friedrich N, Kocher T, Holtfreter B, Pietzner M: The Saliva Metabolome in Association to Oral Health Status. J Dent Res. 2019 Jun;98(6):642-651. doi: 10.1177/0022034519842853. Epub 2019 Apr 26. [PubMed:31026179 ]
Tooth Decay
  1. Liebsch C, Pitchika V, Pink C, Samietz S, Kastenmuller G, Artati A, Suhre K, Adamski J, Nauck M, Volzke H, Friedrich N, Kocher T, Holtfreter B, Pietzner M: The Saliva Metabolome in Association to Oral Health Status. J Dent Res. 2019 Jun;98(6):642-651. doi: 10.1177/0022034519842853. Epub 2019 Apr 26. [PubMed:31026179 ]
Purine nucleoside phosphorylase deficiency
  1. Wevers RA, Engelke UF, Moolenaar SH, Brautigam C, de Jong JG, Duran R, de Abreu RA, van Gennip AH: 1H-NMR spectroscopy of body fluids: inborn errors of purine and pyrimidine metabolism. Clin Chem. 1999 Apr;45(4):539-48. [PubMed:10102915 ]
Eosinophilic esophagitis
  1. (). Mordechai, Hien, and David S. Wishart. .
Associated OMIM IDs
DrugBank IDDB02857
Phenol Explorer Compound IDNot Available
FoodDB IDFDB003632
KNApSAcK IDC00019679
Chemspider ID6544
KEGG Compound IDC00387
BioCyc IDGUANOSINE
BiGG ID51567
Wikipedia LinkGuanosine
METLIN ID87
PubChem Compound6802
PDB IDNot Available
ChEBI ID16750
Food Biomarker OntologyNot Available
VMH IDGSN
References
Synthesis ReferenceTang, Shengrong; Huang, Weihong; Hou, Zuorong. Process of guanosine production by fermentation. Gongye Weishengwu (1998), 28(4), 11-16.
Material Safety Data Sheet (MSDS)Download (PDF)
General References
  1. Lee SH, Jung BH, Kim SY, Chung BC: A rapid and sensitive method for quantitation of nucleosides in human urine using liquid chromatography/mass spectrometry with direct urine injection. Rapid Commun Mass Spectrom. 2004;18(9):973-7. [PubMed:15116424 ]
  2. Wevers RA, Engelke UF, Moolenaar SH, Brautigam C, de Jong JG, Duran R, de Abreu RA, van Gennip AH: 1H-NMR spectroscopy of body fluids: inborn errors of purine and pyrimidine metabolism. Clin Chem. 1999 Apr;45(4):539-48. [PubMed:10102915 ]
  3. Hartwick RA, Krstulovic AM, Brown PR: Identification and quantitation of nucleosides, bases and other UV-absorbing compounds in serum, using reversed-phase high-performance liquid chromatography. II. Evaluation of human sera. J Chromatogr. 1979 Dec 30;186:659-76. [PubMed:546939 ]
  4. Traut TW: Physiological concentrations of purines and pyrimidines. Mol Cell Biochem. 1994 Nov 9;140(1):1-22. [PubMed:7877593 ]
  5. Sreekumar A, Poisson LM, Rajendiran TM, Khan AP, Cao Q, Yu J, Laxman B, Mehra R, Lonigro RJ, Li Y, Nyati MK, Ahsan A, Kalyana-Sundaram S, Han B, Cao X, Byun J, Omenn GS, Ghosh D, Pennathur S, Alexander DC, Berger A, Shuster JR, Wei JT, Varambally S, Beecher C, Chinnaiyan AM: Metabolomic profiles delineate potential role for sarcosine in prostate cancer progression. Nature. 2009 Feb 12;457(7231):910-4. doi: 10.1038/nature07762. [PubMed:19212411 ]
  6. Saute JA, da Silveira LE, Soares FA, Martini LH, Souza DO, Ganzella M: Amnesic effect of GMP depends on its conversion to guanosine. Neurobiol Learn Mem. 2006 May;85(3):206-12. Epub 2005 Dec 1. [PubMed:16325434 ]

Enzymes

General function:
Involved in hydrolase activity
Specific function:
Hydrolyzes extracellular nucleotides into membrane permeable nucleosides.
Gene Name:
NT5E
Uniprot ID:
P21589
Molecular weight:
57948.125
Reactions
Guanosine monophosphate + Water → Guanosine + Phosphatedetails
General function:
Involved in nucleotide binding
Specific function:
Dephosphorylates the 5' and 2'(3')-phosphates of deoxyribonucleotides. Helps to regulate adenosine levels (By similarity).
Gene Name:
NT5C1B
Uniprot ID:
Q96P26
Molecular weight:
68803.055
Reactions
Guanosine monophosphate + Water → Guanosine + Phosphatedetails
General function:
Involved in nucleotide binding
Specific function:
Dephosphorylates the 5' and 2'(3')-phosphates of deoxyribonucleotides and has a broad substrate specificity. Helps to regulate adenosine levels in heart during ischemia and hypoxia.
Gene Name:
NT5C1A
Uniprot ID:
Q9BXI3
Molecular weight:
41020.145
Reactions
Guanosine monophosphate + Water → Guanosine + Phosphatedetails
General function:
Involved in metal ion binding
Specific function:
Dephosphorylates the 5' and 2'(3')-phosphates of deoxyribonucleotides, with a preference for dUMP and dTMP, intermediate activity towards dGMP, and low activity towards dCMP and dAMP.
Gene Name:
NT5C
Uniprot ID:
Q8TCD5
Molecular weight:
Not Available
Reactions
Guanosine monophosphate + Water → Guanosine + Phosphatedetails
General function:
Involved in phosphatase activity
Specific function:
Dephosphorylates specifically the 5' and 2'(3')-phosphates of uracil and thymine deoxyribonucleotides, and so protects mitochondrial DNA replication from excess dTTP. Has only marginal activity towards dIMP and dGMP.
Gene Name:
NT5M
Uniprot ID:
Q9NPB1
Molecular weight:
Not Available
Reactions
Guanosine monophosphate + Water → Guanosine + Phosphatedetails
General function:
Involved in magnesium ion binding
Specific function:
Can act both as nucleotidase and as phosphotransferase.
Gene Name:
NT5C3
Uniprot ID:
Q9H0P0
Molecular weight:
33914.91
Reactions
Guanosine monophosphate + Water → Guanosine + Phosphatedetails
General function:
Involved in 5'-nucleotidase activity
Specific function:
May have a critical role in the maintenance of a constant composition of intracellular purine/pyrimidine nucleotides in cooperation with other nucleotidases. Preferentially hydrolyzes inosine 5'-monophosphate (IMP) and other purine nucleotides.
Gene Name:
NT5C2
Uniprot ID:
P49902
Molecular weight:
64969.2
Reactions
Guanosine monophosphate + Water → Guanosine + Phosphatedetails
General function:
Involved in 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
Reactions
Guanosine + Phosphate → Guanine + Ribose 1-phosphatedetails
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 ]