| 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 04:54:35 UTC |
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| Update Date | 2022-11-30 19:26:14 UTC |
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| HMDB ID | HMDB0115516 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(18:1(11Z)/20:2(11Z,14Z)) |
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| Description | PA(18:1(11Z)/20:2(11Z,14Z)) 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(18:1(11Z)/20:2(11Z,14Z)), in particular, consists of one chain of cis-vaccenic acid at the C-1 position and one chain of eicosadienoic 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)CCCCCCCCC\C=C/CCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCC\C=C/C\C=C/CCCCC InChI=1S/C41H75O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h11,13-14,16-17,19,39H,3-10,12,15,18,20-38H2,1-2H3,(H2,44,45,46)/b13-11-,16-14-,19-17-/t39-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-cis-Vaccenoyl-2-eicosadienoyl-sn-glycero-3-phosphate | HMDB | | 1-cis-Vaccenoyl-2-eicosadienoyl-sn-phosphatidic acid | HMDB | | PA(18:1/20:2) | HMDB | | PA(18:1N7/20:2N6) | HMDB | | PA(18:1W7/20:2W6) | HMDB | | PA(38:3) | HMDB | | Phosphatidic acid(18:1(11Z)/20:2(11Z,14Z)) | HMDB | | Phosphatidic acid(18:1/20:2) | HMDB | | Phosphatidic acid(18:1n7/20:2n6) | HMDB | | Phosphatidic acid(18:1W7/20:2W6) | HMDB | | Phosphatidic acid(38:3) | HMDB | | Phosphatidate(18:1(11Z)/20:2(11Z,14Z)) | HMDB | | Phosphatidate(18:1/20:2) | HMDB | | Phosphatidate(18:1N7/20:2N6) | HMDB | | Phosphatidate(18:1W7/20:2W6) | HMDB | | Phosphatidate(38:3) | HMDB | | [(2R)-2-[(11Z,14Z)-Icosa-11,14-dienoyloxy]-3-[(11Z)-octadec-11-enoyloxy]propoxy]phosphonate | HMDB | | PA(18:1(11Z)/20:2(11Z,14Z)) | SMPDB |
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| Chemical Formula | C41H75O8P |
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| Average Molecular Weight | 727.017 |
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| Monoisotopic Molecular Weight | 726.519956373 |
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| IUPAC Name | [(2R)-2-[(11Z,14Z)-icosa-11,14-dienoyloxy]-3-[(11Z)-octadec-11-enoyloxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-[(11Z,14Z)-icosa-11,14-dienoyloxy]-3-[(11Z)-octadec-11-enoyloxy]propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCC\C=C/CCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCC\C=C/C\C=C/CCCCC |
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| InChI Identifier | InChI=1S/C41H75O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h11,13-14,16-17,19,39H,3-10,12,15,18,20-38H2,1-2H3,(H2,44,45,46)/b13-11-,16-14-,19-17-/t39-/m1/s1 |
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| InChI Key | IPVPTXDSRYFGNH-CPLBAJMFSA-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 | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/20:2(11Z,14Z)) (PathBank: SMP0066253)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0066256)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/22:2(13Z,16Z)) (PathBank: SMP0066261)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/24:1(15Z)) (PathBank: SMP0066267)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/20:3(8Z,11Z,14Z)) (PathBank: SMP0090277)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0066257)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0066258)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/22:1(13Z)) (PathBank: SMP0066260)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/22:4(7Z,10Z,13Z,16Z)) (PathBank: SMP0066262)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/22:0) (PathBank: SMP0075012)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0090286)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0090287)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/24:0) (PathBank: SMP0090288)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/20:3(5Z,8Z,11Z)) (PathBank: SMP0066254)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0066263)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/18:1(11Z)) (PathBank: SMP0033067)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/18:1(9Z)) (PathBank: SMP0033068)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/18:2(9Z,12Z)) (PathBank: SMP0033069)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/18:3(6Z,9Z,12Z)) (PathBank: SMP0033070)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/18:3(9Z,12Z,15Z)) (PathBank: SMP0033071)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0033072)
- De Novo Triacylglycerol Biosynthesis TG(18:1(11Z)/20:2(11Z,14Z)/20:1(11Z)) (PathBank: SMP0033073)
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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. | 8.12 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 36.3225 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.99 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5280.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 557.4 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 362.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 272.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1131.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1878.5 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 | 1302.0 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 253.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3714.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1168.5 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 | 2904.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1392.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 747.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 584.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 875.6 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 | 10.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:1(11Z)/20:2(11Z,14Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O)O[Si](C)(C)C | 5148.3 | Semi standard non polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O)O[Si](C)(C)C | 4520.6 | Standard non polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O)O[Si](C)(C)C | 5758.0 | Standard polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5100.3 | Semi standard non polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4487.8 | Standard non polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4998.2 | Standard polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5378.8 | Semi standard non polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4611.4 | Standard non polar | 33892256 | | PA(18:1(11Z)/20:2(11Z,14Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5739.4 | 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(18:1(11Z)/20:2(11Z,14Z)) 10V, Positive-QTOF | splash10-0694-1092602400-9d2bfb892188fe9e95ab | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 20V, Positive-QTOF | splash10-00ke-2192202000-26af2e730f41b01fe695 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 40V, Positive-QTOF | splash10-0072-1094003000-87089904ed41c910c276 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 10V, Negative-QTOF | splash10-01u0-4092300200-7b78e45c132be45f1ed3 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 20V, Negative-QTOF | splash10-004i-9050000000-0d177ad53f182a639db6 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 40V, Negative-QTOF | splash10-004i-9000000000-8648d01095cfa5d9f2fe | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 10V, Positive-QTOF | splash10-0002-0000000900-7b0df16deb61c6842248 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 20V, Positive-QTOF | splash10-0udk-0000009900-c1f02a3b0e87ccabcf93 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 40V, Positive-QTOF | splash10-0ktn-0000902300-30e9291760424f47e633 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 10V, Negative-QTOF | splash10-004i-0000000900-880b430b6be90fb7c879 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 20V, Negative-QTOF | splash10-05ru-0033900400-b9c61e1c051d41106b94 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 40V, Negative-QTOF | splash10-053r-1196600100-096275bb7fe27fd2812e | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 10V, Positive-QTOF | splash10-0a6r-0000000900-691560b7d6d5a73cf455 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 20V, Positive-QTOF | splash10-004i-0000005900-0420dac6d97cae3fc18b | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:1(11Z)/20:2(11Z,14Z)) 40V, Positive-QTOF | splash10-00os-0000906200-a2980fda22bd1cb30c68 | 2021-09-25 | Wishart Lab | View Spectrum |
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