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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2008-09-12 01:12:53 UTC
Update Date2022-03-07 02:49:35 UTC
HMDB IDHMDB0007003
Secondary Accession Numbers
  • HMDB07003
Metabolite Identification
Common NameCPA(16:0/0:0)
DescriptioncPA(16:0/0:0) is a cyclic phosphatidic acid or cyclic lysophosphatidic acid. It is a glycerophospholipid in which a cyclic phosphate moiety occupies two glycerol substitution sites. Lysophosphatidic acids can have different combinations of fatty acids of varying lengths and saturation attached at the C-1 (sn-1). Fatty acids containing 16 and 18 carbons are the most common. Cyclic phosphatidic acids have been detected in a wide range of organisms including humans, especially in the brain but also in serum (at a concentration of 10-7M). cPA's have a cyclic phosphate at the sn-2 and sn-3 positions of the glycerol carbons, and this structure is absolutely necessary for their activities. In particular, it is found in tissues subject to injury, and while it may have some similar signalling functions to lysophosphatidic acid per se, it also has some quite distinct biological activities. For example, cyclic phosphatidic acid is known to be a specific inhibitor of DNA polymerase alpha. It has an appreciable effect on the inhibition of cancer cell invasion and metastasis.
Structure
Data?1582752420
Synonyms
ValueSource
1-Hexadecanoyl-cyclophosphatidic acidHMDB
1-Palmitoyl-glycero-3-cyclophosphateHMDB
CPA(16:0)HMDB
Cyclic phosphatidic acid(16:0)HMDB
Cyclic phosphatidic acid(16:0/0:0)HMDB
(2-Hydroxy-2-oxo-1,3,2λ⁵-dioxaphospholan-4-yl)methyl hexadecanoic acidGenerator
Chemical FormulaC19H37O6P
Average Molecular Weight392.4672
Monoisotopic Molecular Weight392.232775428
IUPAC Name(2-hydroxy-2-oxo-1,3,2λ⁵-dioxaphospholan-4-yl)methyl hexadecanoate
Traditional Name(2-hydroxy-2-oxo-1,3,2λ⁵-dioxaphospholan-4-yl)methyl hexadecanoate
CAS Registry NumberNot Available
SMILES
CCCCCCCCCCCCCCCC(=O)OCC1COP(O)(=O)O1
InChI Identifier
InChI=1S/C19H37O6P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-19(20)23-16-18-17-24-26(21,22)25-18/h18H,2-17H2,1H3,(H,21,22)
InChI KeyWLYRJURLXSFXRK-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 1-acyl-sn-glycerol-2,3-cyclic-phosphates. These are monoacylglycerophosphates consisting of a sn-glycerol 2,3-cyclic phosphate that carries an acyl group at the 1-position.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassGlycerophospholipids
Sub ClassGlycerophosphates
Direct Parent1-acyl-sn-glycerol-2,3-cyclic-phosphates
Alternative Parents
Substituents
  • 1-acyl-sn-glycerol-2,3-cyclic-phosphate
  • Fatty acid ester
  • Organic phosphoric acid derivative
  • Fatty acyl
  • 1,3_dioxaphospholane
  • Carboxylic acid ester
  • Carboxylic acid derivative
  • Monocarboxylic acid or derivatives
  • Oxacycle
  • Organoheterocyclic compound
  • Hydrocarbon derivative
  • Organic oxide
  • Carbonyl group
  • Organooxygen compound
  • Organic oxygen compound
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Physiological effect
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
Water Solubility0.003 g/LALOGPS
logP5.12ALOGPS
logP5.86ChemAxon
logS-5.1ALOGPS
pKa (Strongest Acidic)1.84ChemAxon
pKa (Strongest Basic)-7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area82.06 ŲChemAxon
Rotatable Bond Count17ChemAxon
Refractivity101.2 m³·mol⁻¹ChemAxon
Polarizability45.41 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+201.31131661259
DarkChem[M-H]-197.16131661259
DeepCCS[M+H]+180.66230932474
DeepCCS[M-H]-177.2130932474
DeepCCS[M-2H]-212.77230932474
DeepCCS[M+Na]+189.06530932474
AllCCS[M+H]+201.532859911
AllCCS[M+H-H2O]+199.232859911
AllCCS[M+NH4]+203.632859911
AllCCS[M+Na]+204.232859911
AllCCS[M-H]-197.732859911
AllCCS[M+Na-2H]-199.332859911
AllCCS[M+HCOO]-201.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
CPA(16:0/0:0)CCCCCCCCCCCCCCCC(=O)OCC1COP(O)(=O)O13186.0Standard polar33892256
CPA(16:0/0:0)CCCCCCCCCCCCCCCC(=O)OCC1COP(O)(=O)O12727.4Standard non polar33892256
CPA(16:0/0:0)CCCCCCCCCCCCCCCC(=O)OCC1COP(O)(=O)O12940.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
CPA(16:0/0:0),1TMS,isomer #1CCCCCCCCCCCCCCCC(=O)OCC1COP(=O)(O[Si](C)(C)C)O12935.2Semi standard non polar33892256
CPA(16:0/0:0),1TMS,isomer #1CCCCCCCCCCCCCCCC(=O)OCC1COP(=O)(O[Si](C)(C)C)O12896.8Standard non polar33892256
CPA(16:0/0:0),1TMS,isomer #1CCCCCCCCCCCCCCCC(=O)OCC1COP(=O)(O[Si](C)(C)C)O13809.9Standard polar33892256
CPA(16:0/0:0),1TBDMS,isomer #1CCCCCCCCCCCCCCCC(=O)OCC1COP(=O)(O[Si](C)(C)C(C)(C)C)O13170.0Semi standard non polar33892256
CPA(16:0/0:0),1TBDMS,isomer #1CCCCCCCCCCCCCCCC(=O)OCC1COP(=O)(O[Si](C)(C)C(C)(C)C)O13088.3Standard non polar33892256
CPA(16:0/0:0),1TBDMS,isomer #1CCCCCCCCCCCCCCCC(=O)OCC1COP(=O)(O[Si](C)(C)C(C)(C)C)O13902.6Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - CPA(16:0/0:0) GC-MS (Non-derivatized) - 70eV, Positivesplash10-00dr-2941000000-a7754b3d4d0b019ecd152017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - CPA(16:0/0:0) GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - CPA(16:0/0:0) GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 10V, Positive-QTOFsplash10-000f-5859000000-3e458c8ea3e85d9bbe452017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 20V, Positive-QTOFsplash10-000l-7961000000-376022ff01155f4305442017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 40V, Positive-QTOFsplash10-000m-6920000000-77c63fe8998476b2c35b2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 10V, Negative-QTOFsplash10-0a4u-0195000000-72b269827d76881aa8f82017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 20V, Negative-QTOFsplash10-0a4r-2391000000-870f830b62d92cff65472017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 40V, Negative-QTOFsplash10-004i-9020000000-63a5c62523e8cc061b892017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 10V, Negative-QTOFsplash10-000x-0619000000-1210e56060ec93566a5d2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 20V, Negative-QTOFsplash10-0a4i-4590000000-d96abd5e1fa5ad56efb02021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 40V, Negative-QTOFsplash10-056r-9520000000-d31380c77196dfd340b52021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 10V, Positive-QTOFsplash10-0006-3709000000-85e4fffd82d840924cb52021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 20V, Positive-QTOFsplash10-052r-5901000000-3ff44f491b8a9d6e8a742021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - CPA(16:0/0:0) 40V, Positive-QTOFsplash10-052f-9300000000-00f6f81aa8aba1e3fef52021-09-23Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen LocationsNot Available
Tissue Locations
  • All Tissues
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB024197
KNApSAcK IDNot Available
Chemspider ID7977702
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound9801940
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