| 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 04:19:08 UTC |
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| Update Date | 2022-11-30 19:26:08 UTC |
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| HMDB ID | HMDB0115308 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(22:2(13Z,16Z)/20:0) |
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| Description | PA(22:2(13Z,16Z)/20:0) 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(22:2(13Z,16Z)/20:0), in particular, consists of one chain of docosadienoic acid at the C-1 position and one chain of arachidic 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)CCCCCCCCCCC\C=C/C\C=C/CCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC InChI=1S/C45H85O8P/c1-3-5-7-9-11-13-15-17-19-21-22-24-25-27-29-31-33-35-37-39-44(46)51-41-43(42-52-54(48,49)50)53-45(47)40-38-36-34-32-30-28-26-23-20-18-16-14-12-10-8-6-4-2/h11,13,17,19,43H,3-10,12,14-16,18,20-42H2,1-2H3,(H2,48,49,50)/b13-11-,19-17-/t43-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Docosadienoyl-2-arachidoyl-sn-glycero-3-phosphate | HMDB | | 1-Docosadienoyl-2-arachidoyl-sn-phosphatidic acid | HMDB | | PA(22:2/20:0) | HMDB | | PA(22:2N6/20:0) | HMDB | | PA(22:2W6/20:0) | HMDB | | PA(42:2) | HMDB | | Phosphatidic acid(22:2(13Z,16Z)/20:0) | HMDB | | Phosphatidic acid(22:2/20:0) | HMDB | | Phosphatidic acid(22:2n6/20:0) | HMDB | | Phosphatidic acid(22:2W6/20:0) | HMDB | | Phosphatidic acid(42:2) | HMDB | | Phosphatidate(22:2(13Z,16Z)/20:0) | HMDB | | Phosphatidate(22:2/20:0) | HMDB | | Phosphatidate(22:2N6/20:0) | HMDB | | Phosphatidate(22:2W6/20:0) | HMDB | | Phosphatidate(42:2) | HMDB | | 1-docosadienoyl-2-arachidoyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-docosadienoyl-2-arachidoyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(22:2/20:0) | SMPDB, HMDB | | PA(22:2n6/20:0) | SMPDB, HMDB | | PA(22:2w6/20:0) | SMPDB, HMDB | | PA(42:2) | SMPDB, HMDB | | Phosphatidic acid(22:2(13Z,16Z)/20:0) | SMPDB, HMDB | | Phosphatidic acid(22:2/20:0) | SMPDB, HMDB | | Phosphatidic acid(22:2n6/20:0) | SMPDB, HMDB | | Phosphatidic acid(22:2w6/20:0) | SMPDB, HMDB | | Phosphatidic acid(42:2) | SMPDB, HMDB | | Phosphatidate(22:2(13Z,16Z)/20:0) | SMPDB, HMDB | | Phosphatidate(22:2/20:0) | SMPDB, HMDB | | Phosphatidate(22:2n6/20:0) | SMPDB, HMDB | | Phosphatidate(22:2w6/20:0) | SMPDB, HMDB | | PA(22:2(13Z,16Z)/20:0) | SMPDB |
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| Chemical Formula | C45H85O8P |
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| Average Molecular Weight | 785.141 |
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| Monoisotopic Molecular Weight | 784.598206695 |
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| IUPAC Name | [(2R)-3-[(13Z,16Z)-docosa-13,16-dienoyloxy]-2-(icosanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-[(13Z,16Z)-docosa-13,16-dienoyloxy]-2-(icosanoyloxy)propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCCCC\C=C/C\C=C/CCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC |
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| InChI Identifier | InChI=1S/C45H85O8P/c1-3-5-7-9-11-13-15-17-19-21-22-24-25-27-29-31-33-35-37-39-44(46)51-41-43(42-52-54(48,49)50)53-45(47)40-38-36-34-32-30-28-26-23-20-18-16-14-12-10-8-6-4-2/h11,13,17,19,43H,3-10,12,14-16,18,20-42H2,1-2H3,(H2,48,49,50)/b13-11-,19-17-/t43-/m1/s1 |
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| InChI Key | XMFHGPUADDWLIC-MTFJKWJPSA-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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| 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. | 8.14 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 41.5188 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.05 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5753.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 735.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 421.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 318.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1212.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 2067.1 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 | 1591.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 240.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 4182.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1247.5 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 | 3268.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1597.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 824.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 809.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 955.2 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 | 10.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(22:2(13Z,16Z)/20:0),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5585.5 | Semi standard non polar | 33892256 | | PA(22:2(13Z,16Z)/20:0),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 4896.5 | Standard non polar | 33892256 | | PA(22:2(13Z,16Z)/20:0),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 6298.2 | Standard polar | 33892256 | | PA(22:2(13Z,16Z)/20:0),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5810.9 | Semi standard non polar | 33892256 | | PA(22:2(13Z,16Z)/20:0),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 4972.1 | Standard non polar | 33892256 | | PA(22:2(13Z,16Z)/20:0),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 6274.6 | Standard polar | 33892256 |
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| 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(22:2(13Z,16Z)/20:0) 10V, Positive-QTOF | splash10-00kk-1169702600-9a6c7b48613f2581578c | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 20V, Positive-QTOF | splash10-00kb-3298402200-622a4011bbfd2fb15a9d | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 40V, Positive-QTOF | splash10-0ftf-1189002100-5ea0259db6d130c359c2 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 10V, Negative-QTOF | splash10-00nr-3019300200-5998eca535c526a2bbd2 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 20V, Negative-QTOF | splash10-004i-9015000000-f32d5747708ca80dc311 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 40V, Negative-QTOF | splash10-004i-9000000000-1340d6a5239405dce6eb | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 10V, Positive-QTOF | splash10-0a4i-0000000090-2905b791fe7035e82c84 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 20V, Positive-QTOF | splash10-0a4i-0000000990-aa0e9993ac69b7c8d8d2 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 40V, Positive-QTOF | splash10-0abj-0000920230-9fe6d30b62b1fdcb36bd | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 10V, Negative-QTOF | splash10-001i-0000000900-bba71d4ef7dbb1d8999e | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 20V, Negative-QTOF | splash10-0241-0006900400-19a532a4677108d90517 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 40V, Negative-QTOF | splash10-01p9-0009300000-cc2ca1891e0f8615cbe2 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 10V, Positive-QTOF | splash10-014r-0000000900-467aa2bab35433af3626 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 20V, Positive-QTOF | splash10-000i-0000005900-133fda139cc6cf424097 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:2(13Z,16Z)/20:0) 40V, Positive-QTOF | splash10-007a-0000906200-72e35978306446d06251 | 2021-09-24 | Wishart Lab | View Spectrum |
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| Pathways | |
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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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