| 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 05:47:41 UTC |
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| Update Date | 2022-11-30 19:26:20 UTC |
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| HMDB ID | HMDB0115770 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(a-25:0/i-19:0) |
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| Description | PA(a-25:0/i-19:0) 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/i-19:0), in particular, consists of one chain of anteisopentacosanoic acid at the C-1 position and one chain of isononadecanoic 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)CCCCCCCCCCCCCCCC(C)C InChI=1S/C47H93O8P/c1-5-44(4)38-34-30-26-22-18-14-10-8-6-7-9-11-15-19-23-27-31-35-39-46(48)53-41-45(42-54-56(50,51)52)55-47(49)40-36-32-28-24-20-16-12-13-17-21-25-29-33-37-43(2)3/h43-45H,5-42H2,1-4H3,(H2,50,51,52)/t44?,45-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Anteisopentacosanoyl-2-isononadecanoyl-sn-glycero-3-phosphate | HMDB | | 1-Anteisopentacosanoyl-2-isononadecanoyl-sn-phosphatidic acid | HMDB | | PA(44:0) | HMDB | | Phosphatidic acid(a-25:0/i-19:0) | HMDB | | Phosphatidic acid(44:0) | HMDB | | Phosphatidate(A-25:0/I-19:0) | HMDB | | Phosphatidate(44:0) | HMDB | | [(2R)-2-[(17-Methyloctadecanoyl)oxy]-3-[(22-methyltetracosanoyl)oxy]propoxy]phosphonate | HMDB | | PA(a-25:0/i-19:0) | SMPDB |
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| Chemical Formula | C47H93O8P |
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| Average Molecular Weight | 817.227 |
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| Monoisotopic Molecular Weight | 816.660806953 |
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| IUPAC Name | [(2R)-2-[(17-methyloctadecanoyl)oxy]-3-[(22-methyltetracosanoyl)oxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-[(17-methyloctadecanoyl)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)CCCCCCCCCCCCCCCC(C)C |
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| InChI Identifier | InChI=1S/C47H93O8P/c1-5-44(4)38-34-30-26-22-18-14-10-8-6-7-9-11-15-19-23-27-31-35-39-46(48)53-41-45(42-54-56(50,51)52)55-47(49)40-36-32-28-24-20-16-12-13-17-21-25-29-33-37-43(2)3/h43-45H,5-42H2,1-4H3,(H2,50,51,52)/t44?,45-/m1/s1 |
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| InChI Key | DRMQABJTBIBCIX-BWSSJUFOSA-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. | 8.61 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 44.3719 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.31 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 6040.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 928.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 469.2 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 342.8 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1202.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 2204.1 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 | 1970.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 153.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 4312.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1306.7 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 | 3542.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1650.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 877.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 922.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 976.8 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 | 10.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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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(a-25:0/i-19:0) 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(a-25:0/i-19:0) 10V, Positive-QTOF | splash10-014i-2197450640-2329b2179bc55a47ec6b | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 20V, Positive-QTOF | splash10-015j-5398420500-83f82147b41b38792d83 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 40V, Positive-QTOF | splash10-000i-5489600600-d74d21e2ac13366ade75 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 10V, Negative-QTOF | splash10-02wa-4039030030-1a8b8a0a79872a107c4e | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 20V, Negative-QTOF | splash10-004i-9005000000-15e3225c28c2eeb8d254 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 40V, Negative-QTOF | splash10-004i-9000000000-10675f43af0bfeb4c6c0 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 10V, Positive-QTOF | splash10-000i-0000000090-6116c7702369a7227134 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 20V, Positive-QTOF | splash10-000o-0000000990-e7cff36bc3608f84bf69 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 40V, Positive-QTOF | splash10-0a4x-0000990460-72897779946cae739346 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 10V, Negative-QTOF | splash10-014i-0000000090-6f3b76d74565ae136159 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 20V, Negative-QTOF | splash10-0159-1155690070-3dcd892198dbcff80ef5 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 40V, Negative-QTOF | splash10-001j-1169330010-6c9f761a4b59e38c2539 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 10V, Positive-QTOF | splash10-00kb-0000000950-8fb0bcb0bb21940492e0 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 20V, Positive-QTOF | splash10-014i-0000000790-ded9457df5489a442b58 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-25:0/i-19:0) 40V, Positive-QTOF | splash10-014i-0000550910-574a2dc88270c5628b8c | 2021-09-25 | Wishart Lab | View Spectrum |
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