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 06:18:56 UTC |
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Update Date | 2022-11-30 19:26:22 UTC |
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HMDB ID | HMDB0115874 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(i-21:0/a-15:0) |
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Description | PA(i-21:0/a-15:0) 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-21:0/a-15:0), in particular, consists of one chain of isoheneicosanoic acid at the C-1 position and one chain of anteisopentadecanoic 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)CCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCCCC(C)CC InChI=1S/C39H77O8P/c1-5-36(4)30-26-22-18-15-16-20-24-28-32-39(41)47-37(34-46-48(42,43)44)33-45-38(40)31-27-23-19-14-12-10-8-6-7-9-11-13-17-21-25-29-35(2)3/h35-37H,5-34H2,1-4H3,(H2,42,43,44)/t36?,37-/m1/s1 |
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Synonyms | Value | Source |
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1-Isoheneicosanoyl-2-anteisopentadecanoyl-sn-glycero-3-phosphate | HMDB | 1-Isoheneicosanoyl-2-anteisopentadecanoyl-sn-phosphatidic acid | HMDB | PA(36:0) | HMDB | Phosphatidic acid(i-21:0/a-15:0) | HMDB | Phosphatidic acid(36:0) | HMDB | Phosphatidate(I-21:0/A-15:0) | HMDB | Phosphatidate(36:0) | HMDB | [(2R)-3-[(19-Methylicosanoyl)oxy]-2-[(12-methyltetradecanoyl)oxy]propoxy]phosphonate | HMDB | PA(i-21:0/a-15:0) | SMPDB |
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Chemical Formula | C39H77O8P |
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Average Molecular Weight | 705.011 |
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Monoisotopic Molecular Weight | 704.535606437 |
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IUPAC Name | [(2R)-3-[(19-methylicosanoyl)oxy]-2-[(12-methyltetradecanoyl)oxy]propoxy]phosphonic acid |
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Traditional Name | (2R)-3-[(19-methylicosanoyl)oxy]-2-[(12-methyltetradecanoyl)oxy]propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCCCC(C)CC |
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InChI Identifier | InChI=1S/C39H77O8P/c1-5-36(4)30-26-22-18-15-16-20-24-28-32-39(41)47-37(34-46-48(42,43)44)33-45-38(40)31-27-23-19-14-12-10-8-6-7-9-11-13-17-21-25-29-35(2)3/h35-37H,5-34H2,1-4H3,(H2,42,43,44)/t36?,37-/m1/s1 |
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InChI Key | SMQOAZQJKWQPBK-SLKOVYPGSA-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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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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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PA(i-21:0/a-15:0),1TMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 4844.1 | Semi standard non polar | 33892256 | PA(i-21:0/a-15:0),1TMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 4202.7 | Standard non polar | 33892256 | PA(i-21:0/a-15:0),1TMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 5715.2 | Standard polar | 33892256 | PA(i-21:0/a-15:0),2TMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4834.6 | Semi standard non polar | 33892256 | PA(i-21:0/a-15:0),2TMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4211.5 | Standard non polar | 33892256 | PA(i-21:0/a-15:0),2TMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5031.2 | Standard polar | 33892256 | PA(i-21:0/a-15:0),1TBDMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5062.8 | Semi standard non polar | 33892256 | PA(i-21:0/a-15:0),1TBDMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4330.1 | Standard non polar | 33892256 | PA(i-21:0/a-15:0),1TBDMS,isomer #1 | CCC(C)CCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5684.1 | Standard polar | 33892256 |
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| MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 10V, Positive-QTOF | splash10-0a6r-2289505400-2101de3c2323962a7697 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 20V, Positive-QTOF | splash10-05ot-5796204000-8b39772bafc344c2768e | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 40V, Positive-QTOF | splash10-05o0-5955012000-cbffe55ec0696954316a | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 10V, Negative-QTOF | splash10-004i-4039200200-cb9f2b3115a1c2e6ad82 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 20V, Negative-QTOF | splash10-004i-9014000000-38246271354a450aa78d | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 40V, Negative-QTOF | splash10-004i-9000000000-a7ed90996760874027a9 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 10V, Positive-QTOF | splash10-004i-0000000900-b3d01b3daf9f2fb77903 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 20V, Positive-QTOF | splash10-004i-0000009900-29f19734b913ec00174d | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 40V, Positive-QTOF | splash10-0fbi-0000922400-9170b2fec16740136522 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 10V, Positive-QTOF | splash10-052r-0000009500-062fd41b472d2b3aeb9d | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 20V, Positive-QTOF | splash10-0a4i-0000007900-1d377e3c669921a51cd5 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 40V, Positive-QTOF | splash10-0bvi-0005509100-a37dcaab1dff75bcb657 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 10V, Negative-QTOF | splash10-0udi-0000000900-f85c523bc6724d7e0669 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 20V, Negative-QTOF | splash10-0h00-1139600500-8224b87fddf38565af1a | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/a-15:0) 40V, Negative-QTOF | splash10-004i-1149200100-90c655af6ff7ed843767 | 2021-09-25 | Wishart Lab | View Spectrum |
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