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 06:23:55 UTC |
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Update Date | 2022-11-30 19:26:23 UTC |
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HMDB ID | HMDB0115906 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(i-22:0/a-21:0) |
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Description | PA(i-22:0/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(i-22:0/a-21:0), in particular, consists of one chain of isodocosanoic 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)CCCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC(C)CC InChI=1S/C46H91O8P/c1-5-43(4)37-33-29-25-21-17-13-10-11-15-19-23-27-31-35-39-46(48)54-44(41-53-55(49,50)51)40-52-45(47)38-34-30-26-22-18-14-9-7-6-8-12-16-20-24-28-32-36-42(2)3/h42-44H,5-41H2,1-4H3,(H2,49,50,51)/t43?,44-/m1/s1 |
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Synonyms | Value | Source |
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1-isodocosanoyl-2-anteisoheneicosanoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-isodocosanoyl-2-anteisoheneicosanoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(i-22:0/a-21:0) | SMPDB | PA(43:0) | SMPDB, HMDB | Phosphatidic acid(i-22:0/a-21:0) | SMPDB, HMDB | Phosphatidic acid(43:0) | SMPDB, HMDB | Phosphatidate(i-22:0/a-21:0) | SMPDB, HMDB | Phosphatidate(43:0) | SMPDB, HMDB | [(2R)-3-[(20-Methylhenicosanoyl)oxy]-2-[(18-methylicosanoyl)oxy]propoxy]phosphonate | Generator, HMDB |
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Chemical Formula | C46H91O8P |
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Average Molecular Weight | 803.2 |
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Monoisotopic Molecular Weight | 802.645156888 |
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IUPAC Name | [(2R)-3-[(20-methylhenicosanoyl)oxy]-2-[(18-methylicosanoyl)oxy]propoxy]phosphonic acid |
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Traditional Name | (2R)-3-[(20-methylhenicosanoyl)oxy]-2-[(18-methylicosanoyl)oxy]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(C)CC |
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InChI Identifier | InChI=1S/C46H91O8P/c1-5-43(4)37-33-29-25-21-17-13-10-11-15-19-23-27-31-35-39-46(48)54-44(41-53-55(49,50)51)40-52-45(47)38-34-30-26-22-18-14-9-7-6-8-12-16-20-24-28-32-36-42(2)3/h42-44H,5-41H2,1-4H3,(H2,49,50,51)/t43?,44-/m1/s1 |
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InChI Key | WHTMNNMGOKXJEX-JXDVSCHGSA-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 IndicesUnderivatizedDerivatized |
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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-22:0/a-21:0) 10V, Positive-QTOF | splash10-0pk9-1019500420-75bb47ea22c44ba83977 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 20V, Positive-QTOF | splash10-05aj-3149200300-8b243baa9d8259f8d530 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 40V, Positive-QTOF | splash10-05o1-4498001100-324e7fb9a964626d58ab | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 10V, Negative-QTOF | splash10-004r-3009200020-612998ea57539230158d | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 20V, Negative-QTOF | splash10-004i-9005000000-c54d1e6935f9b1c22359 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 40V, Negative-QTOF | splash10-004i-9000000000-028dbc7821590035853d | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 10V, Positive-QTOF | splash10-004i-0000000090-160772466d0069769798 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 20V, Positive-QTOF | splash10-004i-0000000990-52e5ce6ca7e837b76dbb | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 40V, Positive-QTOF | splash10-004s-0000960350-7f4910965ff036febb0f | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 10V, Negative-QTOF | splash10-0udi-0000000090-992c24b659e4219d1628 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 20V, Negative-QTOF | splash10-0fb9-0006900040-acb37f6f5103cffe99f2 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 40V, Negative-QTOF | splash10-004r-0009300000-14b3c52746c0568702ff | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 10V, Positive-QTOF | splash10-0f79-0000000950-a2d457409b0a29df58c2 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 20V, Positive-QTOF | splash10-0zfr-0000000790-1d8f1ce67cba24b91894 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-22:0/a-21:0) 40V, Positive-QTOF | splash10-0bvi-0000900710-8498dffeaf757c5f8b84 | 2021-09-23 | Wishart Lab | View Spectrum |
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