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 06:22:14 UTC |
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Update Date | 2022-11-30 19:26:23 UTC |
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HMDB ID | HMDB0115897 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(i-22:0/18:0) |
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Description | PA(i-22:0/18:0) 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-22:0/18:0), in particular, consists of one chain of isodocosanoic acid at the C-1 position and one chain of stearic 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)CCCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC InChI=1S/C43H85O8P/c1-4-5-6-7-8-9-10-11-14-19-22-25-28-31-34-37-43(45)51-41(39-50-52(46,47)48)38-49-42(44)36-33-30-27-24-21-18-16-13-12-15-17-20-23-26-29-32-35-40(2)3/h40-41H,4-39H2,1-3H3,(H2,46,47,48)/t41-/m1/s1 |
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Synonyms | Value | Source |
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1-isodocosanoyl-2-stearoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-isodocosanoyl-2-stearoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(i-22:0/18:0) | SMPDB | PA(40:0) | SMPDB, HMDB | Phosphatidic acid(i-22:0/18:0) | SMPDB, HMDB | Phosphatidic acid(40:0) | SMPDB, HMDB | Phosphatidate(i-22:0/18:0) | SMPDB, HMDB | Phosphatidate(40:0) | SMPDB, HMDB | [(2R)-3-[(20-Methylhenicosanoyl)oxy]-2-(octadecanoyloxy)propoxy]phosphonate | Generator, HMDB |
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Chemical Formula | C43H85O8P |
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Average Molecular Weight | 761.119 |
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Monoisotopic Molecular Weight | 760.598206695 |
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IUPAC Name | [(2R)-3-[(20-methylhenicosanoyl)oxy]-2-(octadecanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-3-[(20-methylhenicosanoyl)oxy]-2-(octadecanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C43H85O8P/c1-4-5-6-7-8-9-10-11-14-19-22-25-28-31-34-37-43(45)51-41(39-50-52(46,47)48)38-49-42(44)36-33-30-27-24-21-18-16-13-12-15-17-20-23-26-29-32-35-40(2)3/h40-41H,4-39H2,1-3H3,(H2,46,47,48)/t41-/m1/s1 |
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InChI Key | HSZAFILTGSKUGH-VQJSHJPSSA-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 | Not Available |
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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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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PA(i-22:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 5279.2 | Semi standard non polar | 33892256 | PA(i-22:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 4626.9 | Standard non polar | 33892256 | PA(i-22:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 6221.1 | Standard polar | 33892256 | PA(i-22:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5530.2 | Semi standard non polar | 33892256 | PA(i-22:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4740.3 | Standard non polar | 33892256 | PA(i-22:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 6171.2 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - PA(i-22:0/18:0) GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-13 | Wishart Lab | View Spectrum |
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-22:0/18:0) 10V, Positive-QTOF | splash10-044i-2196702700-fabb7c334289e63f570b | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 20V, Positive-QTOF | splash10-00tb-3295201100-a364f6acb9c7d7a59006 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 40V, Positive-QTOF | splash10-007t-2395002000-a047a6e1a018c89b1fa2 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 10V, Negative-QTOF | splash10-05ci-4039400300-611e0c1e93c62bc2aebb | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 20V, Negative-QTOF | splash10-004i-9014000000-b761c9c40757114db7e7 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 40V, Negative-QTOF | splash10-004i-9000000000-6eac417e6d84569677ce | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 10V, Negative-QTOF | splash10-0a4i-0000000900-b46100095c3d3e7fec21 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 20V, Negative-QTOF | splash10-05s0-0033900400-2485c1576eb6a7ca4414 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 40V, Negative-QTOF | splash10-0019-1169600100-833a499ff7cfd5f8cc09 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 10V, Positive-QTOF | splash10-001i-0000000900-4f5e0459a0492f4fda74 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 20V, Positive-QTOF | splash10-0020-0000009900-cac2493083ddc18c5cf0 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 40V, Positive-QTOF | splash10-02av-0000922400-142e6779566676a0f34c | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 10V, Positive-QTOF | splash10-01ox-0000000900-db61025fea7f5a1ae0db | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 20V, Positive-QTOF | splash10-03di-0000005900-3fb6995bc726a5888b8c | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/18:0) 40V, Positive-QTOF | splash10-03mi-0000906200-8edd893bf703fddd0b9c | 2021-09-25 | Wishart Lab | View Spectrum |
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