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 05:45:17 UTC |
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Update Date | 2022-11-30 19:26:20 UTC |
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HMDB ID | HMDB0115761 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(a-25:0/a-21:0) |
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Description | PA(a-25:0/a-21:0) 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(a-25:0/a-21:0), in particular, consists of one chain of anteisopentacosanoic acid at the C-1 position and one chain of anteisoheneicosanoic 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)CCCCCCCCCCCCCCCCCCCCC(C)CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC(C)CC InChI=1S/C49H97O8P/c1-5-45(3)39-35-31-27-23-19-15-11-9-7-8-10-12-17-21-25-29-33-37-41-48(50)55-43-47(44-56-58(52,53)54)57-49(51)42-38-34-30-26-22-18-14-13-16-20-24-28-32-36-40-46(4)6-2/h45-47H,5-44H2,1-4H3,(H2,52,53,54)/t45?,46?,47-/m1/s1 |
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Synonyms | Value | Source |
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1-Anteisopentacosanoyl-2-anteisoheneicosanoyl-sn-glycero-3-phosphate | HMDB | 1-Anteisopentacosanoyl-2-anteisoheneicosanoyl-sn-phosphatidic acid | HMDB | PA(46:0) | HMDB | Phosphatidic acid(a-25:0/a-21:0) | HMDB | Phosphatidic acid(46:0) | HMDB | Phosphatidate(A-25:0/A-21:0) | HMDB | Phosphatidate(46:0) | HMDB | [(2R)-2-[(18-Methylicosanoyl)oxy]-3-[(22-methyltetracosanoyl)oxy]propoxy]phosphonate | HMDB | PA(a-25:0/a-21:0) | SMPDB |
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Chemical Formula | C49H97O8P |
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Average Molecular Weight | 845.281 |
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Monoisotopic Molecular Weight | 844.692107081 |
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IUPAC Name | [(2R)-2-[(18-methylicosanoyl)oxy]-3-[(22-methyltetracosanoyl)oxy]propoxy]phosphonic acid |
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Traditional Name | (2R)-2-[(18-methylicosanoyl)oxy]-3-[(22-methyltetracosanoyl)oxy]propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC(C)CC |
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InChI Identifier | InChI=1S/C49H97O8P/c1-5-45(3)39-35-31-27-23-19-15-11-9-7-8-10-12-17-21-25-29-33-37-41-48(50)55-43-47(44-56-58(52,53)54)57-49(51)42-38-34-30-26-22-18-14-13-16-20-24-28-32-36-40-46(4)6-2/h45-47H,5-44H2,1-4H3,(H2,52,53,54)/t45?,46?,47-/m1/s1 |
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InChI Key | RIRQHRVNZUPJGR-UYKUTXPZSA-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 Kovats Retention IndicesUnderivatized |
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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(a-25:0/a-21:0) 10V, Positive-QTOF | splash10-05ot-1009230250-f387dc505342c38f0edf | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 20V, Positive-QTOF | splash10-066s-3119320310-dc13c900ab867c7cc9bb | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 40V, Positive-QTOF | splash10-05tr-4119501600-966c5e2e32aaabd13818 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 10V, Negative-QTOF | splash10-01u0-3009020020-9ddfd386d50855541151 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 20V, Negative-QTOF | splash10-004i-9006000000-1909bb46d1c11fc1ed2e | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 40V, Negative-QTOF | splash10-004i-9000000000-c1380aeba9b4379d672b | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 10V, Negative-QTOF | splash10-0006-0000000090-5abd5a5f2f1ad84db267 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 20V, Negative-QTOF | splash10-02ec-1109570060-35a1ba23fd55e176284a | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 40V, Negative-QTOF | splash10-0059-0009110000-ded314427cf3b953e29b | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 10V, Positive-QTOF | splash10-014i-0000000090-edae6edd0d62f4334fbb | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 20V, Positive-QTOF | splash10-014i-0000000990-a5386eafc2bb9325a66c | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 40V, Positive-QTOF | splash10-014u-0000390340-470de425ed977e137083 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 10V, Positive-QTOF | splash10-004j-0000000090-993fcf8a16215b564acc | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 20V, Positive-QTOF | splash10-0002-0000000590-e8f2c6cbf5d195400324 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/a-21:0) 40V, Positive-QTOF | splash10-0292-0000660930-af3eaf285ca19c7d31ac | 2021-09-25 | Wishart Lab | View Spectrum |
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