| 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 02:39:57 UTC |
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| Update Date | 2022-11-30 19:25:54 UTC |
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| HMDB ID | HMDB0114771 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(8:0/8:0) |
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| Description | PA(8:0/8:0) is a phosphatidic acid. It is a glycerophospholipid in which a phosphate moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidic acids can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PA(16:0/16:0), in particular, consists of one chain of palmitic acid at the C-1 position and one chain of palmitic acid at the C-2 position. Phosphatidic acids are quite rare but are extremely important as intermediates in the biosynthesis of triacylglycerols and phospholipids. |
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| Structure | [H][C@@](COC(=O)CCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCC InChI=1S/C19H37O8P/c1-3-5-7-9-11-13-18(20)25-15-17(16-26-28(22,23)24)27-19(21)14-12-10-8-6-4-2/h17H,3-16H2,1-2H3,(H2,22,23,24)/t17-/m1/s1 |
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| Synonyms | | Value | Source |
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| (2R)-2,3-Bis(octanoyloxy)propyl hydrogen phosphate | ChEBI | | 1,2-Dicapryloyl-sn-glycero-3-phosphate | ChEBI | | 1,2-Dioctanoyl-sn-glycero-3-phosphatidic acid | ChEBI | | Dioctanoylphosphatidic acid | ChEBI | | PA(16:0) | ChEBI | | (2R)-2,3-Bis(octanoyloxy)propyl hydrogen phosphoric acid | Generator | | 1,2-Dicapryloyl-sn-glycero-3-phosphoric acid | Generator | | 1,2-Dioctanoyl-sn-glycero-3-phosphatidate | Generator | | Dioctanoylphosphatidate | Generator | | 1-Capryloyl-2-capryloyl-sn-glycero-3-phosphate | HMDB | | 1-Capryloyl-2-capryloyl-sn-phosphatidic acid | HMDB | | Phosphatidic acid(8:0/8:0) | HMDB | | Phosphatidic acid(16:0) | HMDB | | Phosphatidate(8:0/8:0) | HMDB | | Phosphatidate(16:0) | HMDB | | DiC8pa | HMDB | | 1-capryloyl-2-capryloyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-capryloyl-2-capryloyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(16:0) | SMPDB, ChEBI | | Phosphatidic acid(8:0/8:0) | SMPDB, HMDB | | Phosphatidic acid(16:0) | SMPDB, HMDB | | Phosphatidate(8:0/8:0) | SMPDB, HMDB | | PA(8:0/8:0) | SMPDB |
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| Chemical Formula | C19H37O8P |
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| Average Molecular Weight | 424.471 |
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| Monoisotopic Molecular Weight | 424.222605149 |
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| IUPAC Name | [(2R)-2,3-bis(octanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-2,3-bis(octanoyloxy)propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCC |
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| InChI Identifier | InChI=1S/C19H37O8P/c1-3-5-7-9-11-13-18(20)25-15-17(16-26-28(22,23)24)27-19(21)14-12-10-8-6-4-2/h17H,3-16H2,1-2H3,(H2,22,23,24)/t17-/m1/s1 |
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| InChI Key | XYSBQYUENLDGMI-QGZVFWFLSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 1,2-diacylglycerol-3-phosphates. These are glycerol-3-phosphates in which the glycerol moiety is bonded to two aliphatic chains 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 | Glycerophosphates |
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| Direct Parent | 1,2-diacylglycerol-3-phosphates |
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| Alternative Parents | |
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| Substituents | - 1,2-diacylglycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Dicarboxylic acid or derivatives
- Fatty acyl
- Alkyl phosphate
- Phosphoric acid ester
- Organic phosphoric acid derivative
- Carboxylic acid ester
- Carboxylic acid derivative
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Organooxygen compound
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | |
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| Role | 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. | 10.06 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 14.3743 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.43 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2595.8 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 215.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 202.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 170.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 416.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 745.9 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 | 757.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 263.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1348.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 588.3 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 | 1438.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 496.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 402.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 281.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 272.7 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 | 94.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(8:0/8:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC | 2899.5 | Semi standard non polar | 33892256 | | PA(8:0/8:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC | 2687.6 | Standard non polar | 33892256 | | PA(8:0/8:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC | 3958.2 | Standard polar | 33892256 | | PA(8:0/8:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC | 2946.1 | Semi standard non polar | 33892256 | | PA(8:0/8:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC | 2749.1 | Standard non polar | 33892256 | | PA(8:0/8:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC | 3403.4 | Standard polar | 33892256 | | PA(8:0/8:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC | 3150.7 | Semi standard non polar | 33892256 | | PA(8:0/8:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC | 2863.5 | Standard non polar | 33892256 | | PA(8:0/8:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC | 4019.1 | Standard polar | 33892256 | | PA(8:0/8:0),2TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC | 3450.6 | Semi standard non polar | 33892256 | | PA(8:0/8:0),2TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC | 3016.5 | Standard non polar | 33892256 | | PA(8:0/8:0),2TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC | 3557.4 | Standard polar | 33892256 |
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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 - PA(8:0/8:0) GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | 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 - PA(8:0/8:0) 10V, Positive-QTOF | splash10-004i-2982600000-8363a82a0fcf968daefb | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 20V, Positive-QTOF | splash10-003b-6952000000-04275a2d089ef16b6a0c | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 40V, Positive-QTOF | splash10-0f9l-7941000000-7897b3d3861f3263467f | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 10V, Negative-QTOF | splash10-004i-4940300000-51d28b235cf2acb9b0fd | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 20V, Negative-QTOF | splash10-004i-9400000000-0cea4b834e9e6527db16 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 40V, Negative-QTOF | splash10-004i-9000000000-ae2d1a392d4c601b89cb | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 10V, Positive-QTOF | splash10-0002-0000900000-83861f4bdc4573966bb8 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 20V, Positive-QTOF | splash10-0002-0009900000-70ff72750740766f2ff8 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 40V, Positive-QTOF | splash10-0f6t-0009400000-c5af336c881f6f839538 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 10V, Positive-QTOF | splash10-0a6r-0000900000-8a1ad3af29b2312f7e8e | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 20V, Positive-QTOF | splash10-004i-0005900000-f6b7fe6dc78dbc38af25 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 40V, Positive-QTOF | splash10-0059-0069300000-6f5b25f4f7f707867c84 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 10V, Negative-QTOF | splash10-00di-0000900000-b67b347553223a7556c8 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 20V, Negative-QTOF | splash10-00fu-1770900000-e9fc6fbc349046b80854 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/8:0) 40V, Negative-QTOF | splash10-0006-1920100000-bd84110b6ee6a0b98554 | 2021-09-24 | Wishart Lab | View Spectrum |
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| General References | - Moritz A, De Graan PN, Gispen WH, Wirtz KW: Phosphatidic acid is a specific activator of phosphatidylinositol-4-phosphate kinase. J Biol Chem. 1992 Apr 15;267(11):7207-10. [PubMed:1313792 ]
- 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 ]
- Moolenaar WH, Kruijer W, Tilly BC, Verlaan I, Bierman AJ, de Laat SW: Growth factor-like action of phosphatidic acid. Nature. 1986 Sep 11-17;323(6084):171-3. [PubMed:3748188 ]
- Yang CY, Frohman MA: Mitochondria: signaling with phosphatidic acid. Int J Biochem Cell Biol. 2012 Aug;44(8):1346-50. doi: 10.1016/j.biocel.2012.05.006. Epub 2012 May 15. [PubMed:22609101 ]
- 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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