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Record Information
Version2.0
Created at2022-09-07 09:02:40 UTC
Updated at2022-09-07 09:02:41 UTC
NP-MRD IDNP0247258
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2r)-3-(hexadecanoyloxy)-2-[(5z,8z,11z,14z)-icosa-5,8,11,14-tetraenoyloxy]propoxy([(1s,2r,3r,4s,5s,6r)-2,3,4,5,6-pentahydroxycyclohexyl]oxy)phosphinic acid
DescriptionPI(16:0/20:4(5Z,8Z,11Z,14Z)), also known as phosphatidylinositol(16:0/20:4) Or pi(16:0/20:4), Belongs to the class of organic compounds known as 1-phosphatidyl-1d-myo-inositols. These are lipids containing a myo-inositol attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages. Phosphatidylinositols are important lipids, both as a key membrane constituent and as a participant in essential metabolic processes, both directly and via a number of metabolites. Seven different isomers are known, but the most important in both quantitative and biological terms are phosphatidylinositol 4-phosphate and phosphatidylinositol 4,5-bisphosphate. Phosphatidylinositol can be phosphorylated by a number of different kinases that place the phosphate moiety on positions 4 and 5 of the inositol ring, although position 3 can also be phosphorylated by a specific kinase. Fatty acids containing 18 and 20 carbons are the most common. In most organisms, the stereochemical form of this inositol is myo-D-inositol (with one axial hydroxyl in position 2 with the remainder equatorial), although other forms can be found in certain plant phosphatidylinositols. PI(16:0/20:4(5Z,8Z,11Z,14Z)) is an extremely weak basic (essentially neutral) compound (based on its pKa). Phosphatidylinositols are acidic (anionic) phospholipids that consist of a phosphatidic acid backbone, linked via the phosphate group to inositol (hexahydroxycyclohexane). PIs composed exclusively of non-phosphorylated inositol exhibit a net charge of -1 at physiological pH. (2r)-3-(hexadecanoyloxy)-2-[(5z,8z,11z,14z)-icosa-5,8,11,14-tetraenoyloxy]propoxy([(1s,2r,3r,4s,5s,6r)-2,3,4,5,6-pentahydroxycyclohexyl]oxy)phosphinic acid is found in Trypanosoma brucei. Molecules with phosphorylated inositol (such as PIP, PIP2, PIP3, etc.) Are termed polyphosphoinositides.
Structure
Thumb
Synonyms
ValueSource
1-Hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phospho-D-myo-inositolHMDB
1-Hexadecanoyl-2-arachidonoyl-sn-glycero-3-phospho-D-myo-inositolHMDB
1-Palmitoyl-2-arachidonoyl-sn-glycero-3-phosphoinositolHMDB
2-Arachidonoyl-1-hexadecanoyl-sn-glycero-3-phospho-D-myo-inositolHMDB
Phosphatidylinositol(16:0/20:4)HMDB
Phosphatidylinositol(16:0/20:4omega6)HMDB
Phosphatidylinositol(36:4)HMDB
PI(16:0/20:4)HMDB
PI(16:0/20:4omega6)HMDB
PI(36:4)HMDB
PIno(16:0/20:4)HMDB
PIno(16:0/20:4omega6)HMDB
PIno(36:4)HMDB
1-Palmitoyl-2-arachidonoyl-gpiHMDB
1-Palmitoyl-2-arachidonoyl-glycero-3-phospho-(1'-myo-inositol)HMDB
1-Palmitoyl-2-arachidonoyl-glycero-3-phospho-(1’-myo-inositol)HMDB
1-Palmitoyl-2-arachidonoyl-sn-glycero-3-phospho-D-myo-inositolHMDB
GPI(16:0/20:4(5Z,8Z,11Z,14Z))HMDB
GPI(16:0/20:4)HMDB
GPI(16:0/20:4n6)HMDB
GPI(16:0/20:4W6)HMDB
GPI(36:4)HMDB
PI(16:0/20:4n6)HMDB
PI(16:0/20:4W6)HMDB
Phosphatidylinositol(16:0/20:4(5Z,8Z,11Z,14Z))HMDB
Phosphatidylinositol(16:0/20:4n6)HMDB
Phosphatidylinositol(16:0/20:4W6)HMDB
PI(16:0/20:4(5Z,8Z,11Z,14Z))ChEBI
Chemical FormulaC45H79O13P
Average Mass859.0880 Da
Monoisotopic Mass858.52583 Da
IUPAC Name[(2R)-3-(hexadecanoyloxy)-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyloxy]propoxy]({[(1S,2R,3R,4S,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl]oxy})phosphinic acid
Traditional Name(2R)-3-(hexadecanoyloxy)-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyloxy]propoxy([(1S,2R,3R,4S,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl]oxy)phosphinic acid
CAS Registry NumberNot Available
SMILES
CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(=O)O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](O)[C@H]1O)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC
InChI Identifier
InChI=1S/C45H79O13P/c1-3-5-7-9-11-13-15-17-18-19-20-22-24-26-28-30-32-34-39(47)57-37(36-56-59(53,54)58-45-43(51)41(49)40(48)42(50)44(45)52)35-55-38(46)33-31-29-27-25-23-21-16-14-12-10-8-6-4-2/h11,13,17-18,20,22,26,28,37,40-45,48-52H,3-10,12,14-16,19,21,23-25,27,29-36H2,1-2H3,(H,53,54)/b13-11-,18-17-,22-20-,28-26-/t37-,40-,41-,42+,43-,44-,45-/m1/s1
InChI KeyKIQYUSYSJTUGFZ-LSLODQAYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Trypanosoma bruceiLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 1-phosphatidyl-1d-myo-inositols. These are lipids containing a myo-inositol attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassGlycerophospholipids
Sub ClassGlycerophosphoinositols
Direct Parent1-phosphatidyl-1D-myo-inositols
Alternative Parents
Substituents
  • 1-phosphatidyl-1d-myo-inositol
  • Inositol phosphate
  • Cyclohexanol
  • Fatty acid ester
  • Dialkyl phosphate
  • Cyclitol or derivatives
  • Dicarboxylic acid or derivatives
  • Organic phosphoric acid derivative
  • Phosphoric acid ester
  • Alkyl phosphate
  • Fatty acyl
  • Cyclic alcohol
  • Secondary alcohol
  • Carboxylic acid ester
  • Polyol
  • Carboxylic acid derivative
  • Alcohol
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
  • 1-hexadecanoyl-2-acyl-sn-glycero-3-phospho-1D-myo-inositol (CHEBI:73209 )
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP7.03ALOGPS
logP9.32ChemAxon
logS-6.1ALOGPS
pKa (Strongest Acidic)1.83ChemAxon
pKa (Strongest Basic)-3.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count9ChemAxon
Hydrogen Donor Count6ChemAxon
Polar Surface Area209.51 ŲChemAxon
Rotatable Bond Count38ChemAxon
Refractivity233.44 m³·mol⁻¹ChemAxon
Polarizability99.25 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0009789
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID28639234
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI ID73209
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]