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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2006-08-12 19:53:36 UTC
Update Date2020-04-23 20:55:13 UTC
HMDB IDHMDB0003379
Secondary Accession Numbers
  • HMDB0012282
  • HMDB03379
  • HMDB12282
Metabolite Identification
Common NameTriphosphate
DescriptionTriphosphate is a salt or ester containing three phosphate groups. It is the ionic form of triphosphoric acid, a condensed form of phosphoric acid. Triphosphate is an intermediate in the biosynthesis of folate, the metabolism of purine, the metabolism of porphyrin and chlorophyll, the metabolism of pyrimidine, and the metabolism of thiamine. It is a substrate for transforming protein p21/H-Ras-1, bis(5'-adenosyl)-triphosphatase, ectonucleoside triphosphate diphosphohydrolase, DNA polymerase gamma subunit 1, DNA nucleotidylexotransferase, inosine triphosphate pyrophosphatase, cob(I)yrinic acid a,c-diamide adenosyltransferase (mitochondrial), thiamine-triphosphatase, DNA-directed RNA polymerase III 32 kDa polypeptide, and 6-pyruvoyl tetrahydrobiopterin synthase. Compounds such as ATP (adenosine triphosphate) are esters of triphosphoric acid. Polyphosphates are hydrolyzed into smaller units (orthophosphates) in the gut before absorption, which may induce metabolic acidosis. The acute toxicity of polyphosphonates is low as the lowest LD50 after oral administration is > 1,000 mg/kg body weight. Polyphosphates are moderately irritating to skin and mucous membrane because of their alkalinity. No mutagenic potential was observed when TTP was tested in a Salmonella/microsome assay (Ames test) and in a chromosomal aberration assay in vitro using a Chinese hamster fibroblast cell line (Ishidate et al. 1984). Tetrasodium pyrophosphate was not mutagenic in an in vitro assay using S. cerevisiae strains and S. typhimurium strains with and without the addition of mammalian metabolic activation preparations (IPCS 1982). Reproduction studies in three generations of rats on diets with 0.5% TTP were performed. TTP had no effects on fertility or litter size, or on growth or survival on offspring (Hodge 1964).
Structure
Thumb
Synonyms
Chemical FormulaH5O10P3
Average Molecular Weight257.955
Monoisotopic Molecular Weight257.909555916
IUPAC Name{[hydroxy(phosphonooxy)phosphoryl]oxy}phosphonic acid
Traditional Nametripolyphosphate
CAS Registry Number14127-68-5
SMILES
OP(O)(=O)OP(O)(=O)OP(O)(O)=O
InChI Identifier
InChI=1S/H5O10P3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h(H,7,8)(H2,1,2,3)(H2,4,5,6)
InChI KeyUNXRWKVEANCORM-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of inorganic compounds known as non-metal phosphates. These are inorganic non-metallic compounds containing a phosphate as its largest oxoanion.
KingdomInorganic compounds
Super ClassHomogeneous non-metal compounds
ClassNon-metal oxoanionic compounds
Sub ClassNon-metal phosphates
Direct ParentNon-metal phosphates
Alternative Parents
Substituents
  • Non-metal phosphate
  • Inorganic oxide
Molecular FrameworkNot Available
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
PropertyValueSource
logP-1.9ChemAxon
pKa (Strongest Acidic)0.89ChemAxon
Physiological Charge-4ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area170.82 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity36.4 m³·mol⁻¹ChemAxon
Polarizability14.67 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Cerebrospinal Fluid (CSF)
Tissue Locations
  • Fibroblasts
  • Kidney
  • Neuron
  • Pancreas
  • Placenta
  • Platelet
  • Skeletal Muscle
  • Spleen
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
Cerebrospinal Fluid (CSF)Detected and Quantified7.88 +/- 0.44 uMAdult (>18 years old)FemaleNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB03896
Phenol Explorer Compound IDNot Available
FooDB IDFDB028913
KNApSAcK IDNot Available
Chemspider ID958
KEGG Compound IDC02174
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkPolyphosphate
METLIN IDNot Available
PubChem Compound983
PDB IDNot Available
ChEBI ID39949
Food Biomarker OntologyNot Available
VMH IDPPPI
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceTsuhako, Mitsutomo; Sueyoshi, Chiyoko; Miyajima, Tohru; Ohashi, Shigeru; Nariai, Hiroyuki; Motooka, Itaru. The reaction of cyclo-triphosphate with ethanolamines. Bulletin of the Chemical Society of Japan (1986), 59(10), 3091-5.
Material Safety Data Sheet (MSDS)Not Available
General References

Enzymes

General function:
Involved in hydrolase activity
Specific function:
Pyrophosphatase that hydrolyzes the non-canonical purine nucleotides inosine triphosphate (ITP), deoxyinosine triphosphate (dITP) as well as 2'-deoxy-N-6-hydroxylaminopurine triposphate (dHAPTP) and xanthosine 5'-triphosphate (XTP) to their respective monophosphate derivatives. The enzyme does not distinguish between the deoxy- and ribose forms. Probably excludes non-canonical purines from RNA and DNA precursor pools, thus preventing their incorporation into RNA and DNA and avoiding chromosomal lesions.
Gene Name:
ITPA
Uniprot ID:
Q9BY32
Molecular weight:
16833.23
General function:
Involved in 6-pyruvoyltetrahydropterin synthase activity
Specific function:
Involved in the biosynthesis of tetrahydrobiopterin, an essential cofactor of aromatic amino acid hydroxylases. Catalyzes the transformation of 7,8-dihydroneopterin triphosphate into 6-pyruvoyl tetrahydropterin.
Gene Name:
PTS
Uniprot ID:
Q03393
Molecular weight:
16385.63
Reactions
Dihydroneopterin triphosphate → Dyspropterin + Triphosphatedetails
Dihydroneopterin triphosphate → Dyspropterin + Triphosphatedetails
Dihydroneopterin triphosphate + Water → 6-Carboxy-5,6,7,8-tetrahydropterin + Acetaldehyde + Triphosphatedetails
General function:
Involved in ATP binding
Specific function:
Not Available
Gene Name:
MMAB
Uniprot ID:
Q96EY8
Molecular weight:
27387.975
Reactions
Adenosine triphosphate + Cob(I)yrinate a,c diamide → Triphosphate + adenosylcob(III)yrinic acid a,c-diamidedetails
Adenosine triphosphate + Cobinamide → Triphosphate + Adenosyl cobinamidedetails
Cob(I)yrinate a,c diamide + Adenosine triphosphate → Adenosyl cobyrinic acid a,c diamide + Triphosphatedetails
Adenosine triphosphate + Cobinamide → Triphosphate + Adenosyl cobinamidedetails