| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2017-09-09 08:26:59 UTC |
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| Update Date | 2022-11-30 19:26:39 UTC |
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| HMDB ID | HMDB0116544 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PGP(i-12:0/i-20:0) |
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| Description | PGP(i-12:0/i-20:0) is a phosphatidylglycerophosphate (PGP). It is a glycerophospholipid in which a phosphoglycerol moiety occupies a glycerol substitution site followed by another phosphate moiety. Phosphatidylglycerolphosphate is present at a level of 1-2% in most animal tissues, but it can be the second most abundant phospholipid in lung surfactant (up to 11% of the total). It is well established that the concentration of phosphatidylglycerolphosphate increases during fetal development. Phosphatidylglycerolphosphate may be present in animal tissues merely as a precursor for cardiolipin synthesis. As is the case with diacylglycerols, phosphatidylglycerophosphates can have many different combinations of fatty acids of varying lengths and saturation attached to the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PGP(i-12:0/i-20:0), in particular, consists of one chain of isododecanoic acid at the C-1 position and one chain of isoeicosanoic acid at the C-2 position. They are synthesized by the addition of glycerol 3-phosphate to a CDP-diacylglycerol. In turn, PGPs are dephosphorylated to phosphatidylglycerols (PGs). While most phospholipids have a saturated fatty acid on C-1 and an unsaturated fatty acid on C-2 of the glycerol backbone, the fatty acid distribution at the C-1 and C-2 positions of glycerol within phospholipids is continually in flux, owing to phospholipid degradation and the continuous phospholipid remodeling that occurs while these molecules are in membranes. |
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| Structure | [H][C@](O)(COP(O)(O)=O)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCCCC(C)C)OC(=O)CCCCCCCCCCCCCCCCC(C)C InChI=1S/C38H76O13P2/c1-33(2)25-21-17-13-11-9-7-5-6-8-10-12-14-20-24-28-38(41)51-36(31-47-37(40)27-23-19-16-15-18-22-26-34(3)4)32-50-53(45,46)49-30-35(39)29-48-52(42,43)44/h33-36,39H,5-32H2,1-4H3,(H,45,46)(H2,42,43,44)/t35-,36+/m0/s1 |
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| Synonyms | | Value | Source |
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| 1-Isododecanoyl-2-isoeicosanoyl-sn-glycero-3-phospho-(1'-sn-glycerol-3'-phosphate) | HMDB | | PGP(32:0) | HMDB | | 3-sn-Phosphatidyl-1'-sn-glycerol 3'-phosphoric acid | HMDB | | [(2S)-2-Hydroxy-3-({hydroxy[(2R)-2-[(18-methylnonadecanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy]phosphoryl}oxy)propoxy]phosphonate | HMDB | | PGP(i-12:0/i-20:0) | SMPDB |
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| Chemical Formula | C38H76O13P2 |
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| Average Molecular Weight | 802.961 |
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| Monoisotopic Molecular Weight | 802.476116503 |
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| IUPAC Name | [(2S)-2-hydroxy-3-({hydroxy[(2R)-2-[(18-methylnonadecanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy]phosphoryl}oxy)propoxy]phosphonic acid |
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| Traditional Name | (2S)-2-hydroxy-3-{[hydroxy((2R)-2-[(18-methylnonadecanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy)phosphoryl]oxy}propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@](O)(COP(O)(O)=O)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCCCC(C)C)OC(=O)CCCCCCCCCCCCCCCCC(C)C |
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| InChI Identifier | InChI=1S/C38H76O13P2/c1-33(2)25-21-17-13-11-9-7-5-6-8-10-12-14-20-24-28-38(41)51-36(31-47-37(40)27-23-19-16-15-18-22-26-34(3)4)32-50-53(45,46)49-30-35(39)29-48-52(42,43)44/h33-36,39H,5-32H2,1-4H3,(H,45,46)(H2,42,43,44)/t35-,36+/m0/s1 |
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| InChI Key | SRSRAJUJYRDXMK-MPQUPPDSSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phosphatidylglycerophosphates. These are glycerophosphoglycerophosphates in which two fatty acids are bonded to the 1-glycerol moiety through ester linkages. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Glycerophospholipids |
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| Sub Class | Glycerophosphoglycerophosphates |
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| Direct Parent | Phosphatidylglycerophosphates |
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| Alternative Parents | |
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| Substituents | - Diacylglycerophosphoglycerophosphate
- Sn-glycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Dialkyl phosphate
- Dicarboxylic acid or derivatives
- Organic phosphoric acid derivative
- Phosphoric acid ester
- Alkyl phosphate
- Fatty acyl
- Secondary alcohol
- Carboxylic acid ester
- Carboxylic acid derivative
- Organooxygen compound
- Organic oxide
- Organic oxygen compound
- Alcohol
- Carbonyl group
- Hydrocarbon derivative
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Not Available | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 10.81 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 22.1907 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.09 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4386.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 177.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 297.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 167.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 851.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1325.4 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 1182.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 266.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2227.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1003.5 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 2158.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 932.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 617.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 210.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 292.2 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 16.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-20:0) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-19 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-20:0) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-19 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-20:0) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-19 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 10V, Positive-QTOF | splash10-0zg1-1782332930-6fbac3a6635ccfa31448 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 20V, Positive-QTOF | splash10-000t-5891114400-56bda5c77985f3205248 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 40V, Positive-QTOF | splash10-0a4i-9572040200-c3f0fe392ef51091dbff | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 10V, Negative-QTOF | splash10-0032-4922101020-6e305e5b92fdc586c3b5 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 20V, Negative-QTOF | splash10-004j-9410000000-dd82ab4e3a2fea1408a8 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 40V, Negative-QTOF | splash10-004i-9000000000-ecfd382061961a136e0e | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 10V, Negative-QTOF | splash10-0udi-0010000090-5619e2fc6f74a1450058 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 20V, Negative-QTOF | splash10-0udi-4391213180-f6790de4c5e52516aa41 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 40V, Negative-QTOF | splash10-0fft-6095713200-634b5de2b6cda135c5a8 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 10V, Positive-QTOF | splash10-0udi-1100060590-a9571ae969758fd06de4 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 20V, Positive-QTOF | splash10-0a4j-2400249300-7eb653907cba4baa1e56 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-20:0) 40V, Positive-QTOF | splash10-0udj-8595551000-c7b7c40b81ff132dcedc | 2021-09-24 | Wishart Lab | View Spectrum |
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| General References | - Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- Divecha N, Irvine RF: Phospholipid signaling. Cell. 1995 Jan 27;80(2):269-78. [PubMed:7834746 ]
- Cevc, Gregor (1993). Phospholipids Handbook. Marcel Dekker.
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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