| 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 06:11:54 UTC |
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| Update Date | 2022-11-30 19:26:21 UTC |
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| HMDB ID | HMDB0115830 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(i-20:0/10:0) |
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| Description | PA(i-20:0/10:0) 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(i-20:0/10:0), in particular, consists of one chain of isoeicosanoic acid at the C-1 position and one chain of capric 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)CCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCC InChI=1S/C33H65O8P/c1-4-5-6-7-16-21-24-27-33(35)41-31(29-40-42(36,37)38)28-39-32(34)26-23-20-18-15-13-11-9-8-10-12-14-17-19-22-25-30(2)3/h30-31H,4-29H2,1-3H3,(H2,36,37,38)/t31-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Isoeicosanoyl-2-decanoyl-sn-glycero-3-phosphate | HMDB | | 1-Isoeicosanoyl-2-decanoyl-sn-phosphatidic acid | HMDB | | PA(30:0) | HMDB | | Phosphatidic acid(i-20:0/10:0) | HMDB | | Phosphatidic acid(30:0) | HMDB | | Phosphatidate(I-20:0/10:0) | HMDB | | Phosphatidate(30:0) | HMDB | | [(2R)-2-(Decanoyloxy)-3-[(18-methylnonadecanoyl)oxy]propoxy]phosphonate | HMDB | | PA(i-20:0/10:0) | SMPDB |
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| Chemical Formula | C33H65O8P |
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| Average Molecular Weight | 620.849 |
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| Monoisotopic Molecular Weight | 620.441706051 |
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| IUPAC Name | [(2R)-2-(decanoyloxy)-3-[(18-methylnonadecanoyl)oxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-(decanoyloxy)-3-[(18-methylnonadecanoyl)oxy]propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCC |
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| InChI Identifier | InChI=1S/C33H65O8P/c1-4-5-6-7-16-21-24-27-33(35)41-31(29-40-42(36,37)38)28-39-32(34)26-23-20-18-15-13-11-9-8-10-12-14-17-19-22-25-30(2)3/h30-31H,4-29H2,1-3H3,(H2,36,37,38)/t31-/m1/s1 |
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| InChI Key | VYBKHNPEGNCSAW-WJOKGBTCSA-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 | |
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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. | 10.98 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 28.265 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.29 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4331.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 453.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 313.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 193.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 845.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1453.4 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 | 1335.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 174.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2773.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 939.7 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 | 2461.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1061.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 622.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 577.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 638.4 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 | 8.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(i-20:0/10:0),1TMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 4268.7 | Semi standard non polar | 33892256 | | PA(i-20:0/10:0),1TMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 3808.6 | Standard non polar | 33892256 | | PA(i-20:0/10:0),1TMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 5269.9 | Standard polar | 33892256 | | PA(i-20:0/10:0),2TMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4266.9 | Semi standard non polar | 33892256 | | PA(i-20:0/10:0),2TMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 3839.2 | Standard non polar | 33892256 | | PA(i-20:0/10:0),2TMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4586.2 | Standard polar | 33892256 | | PA(i-20:0/10:0),1TBDMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4495.3 | Semi standard non polar | 33892256 | | PA(i-20:0/10:0),1TBDMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 3938.7 | Standard non polar | 33892256 | | PA(i-20:0/10:0),1TBDMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5269.9 | Standard polar | 33892256 | | PA(i-20:0/10:0),2TBDMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4750.5 | Semi standard non polar | 33892256 | | PA(i-20:0/10:0),2TBDMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4050.3 | Standard non polar | 33892256 | | PA(i-20:0/10:0),2TBDMS,isomer #1 | CCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4682.5 | 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(i-20:0/10:0) GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-13 | 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(i-20:0/10:0) 10V, Positive-QTOF | splash10-05fs-2954536000-2ebdba6ecc21fc78eb79 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 20V, Positive-QTOF | splash10-052b-5973210000-1c9e605e155685ce76fd | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 40V, Positive-QTOF | splash10-0ldi-9785050000-651a283fd226eb0e1bda | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 10V, Negative-QTOF | splash10-046v-7569405000-2cf47595113d3c4fbc4d | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 20V, Negative-QTOF | splash10-004i-9123000000-d9758dad54139e37807b | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 40V, Negative-QTOF | splash10-004i-9000000000-76d2c6c846a2cf083c5d | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 10V, Positive-QTOF | splash10-0006-0000009000-0fced86a21500373c9c1 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 20V, Positive-QTOF | splash10-0008-0000099000-69ae50cbbe469c0137f9 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 40V, Positive-QTOF | splash10-007w-0009946000-c895f4e0b3aa4a45b788 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 10V, Negative-QTOF | splash10-014i-0000009000-7034fdc92b1f97d5a103 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 20V, Negative-QTOF | splash10-082a-1509605000-4526914415dcc82c917c | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 40V, Negative-QTOF | splash10-03k9-1509201000-862d3c35f7963e82e7ae | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 10V, Positive-QTOF | splash10-0uk9-0000009000-70aa8e33cde77745a7a5 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 20V, Positive-QTOF | splash10-00di-0000059000-ead56966e85a342e7135 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-20:0/10:0) 40V, Positive-QTOF | splash10-05fs-0006693000-7529c54159fa3ab4e980 | 2021-09-24 | Wishart Lab | View Spectrum |
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