| 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 03:27:45 UTC |
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| Update Date | 2022-11-30 19:26:01 UTC |
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| HMDB ID | HMDB0115052 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(18:4(6Z,9Z,12Z,15Z)/24:0) |
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| Description | PA(18:4(6Z,9Z,12Z,15Z)/24:0) 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(18:4(6Z,9Z,12Z,15Z)/24:0), in particular, consists of one chain of stearidonic acid at the C-1 position and one chain of lignoceric 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)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC InChI=1S/C45H81O8P/c1-3-5-7-9-11-13-15-17-19-20-21-22-23-24-26-28-30-32-34-36-38-40-45(47)53-43(42-52-54(48,49)50)41-51-44(46)39-37-35-33-31-29-27-25-18-16-14-12-10-8-6-4-2/h6,8,12,14,18,25,29,31,43H,3-5,7,9-11,13,15-17,19-24,26-28,30,32-42H2,1-2H3,(H2,48,49,50)/b8-6-,14-12-,25-18-,31-29-/t43-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Stearidonoyl-2-lignoceroyl-sn-glycero-3-phosphate | HMDB | | 1-Stearidonoyl-2-lignoceroyl-sn-phosphatidic acid | HMDB | | PA(18:4/24:0) | HMDB | | PA(18:4N3/24:0) | HMDB | | PA(18:4W3/24:0) | HMDB | | PA(42:4) | HMDB | | Phosphatidic acid(18:4(6Z,9Z,12Z,15Z)/24:0) | HMDB | | Phosphatidic acid(18:4/24:0) | HMDB | | Phosphatidic acid(18:4n3/24:0) | HMDB | | Phosphatidic acid(18:4W3/24:0) | HMDB | | Phosphatidic acid(42:4) | HMDB | | Phosphatidate(18:4(6Z,9Z,12Z,15Z)/24:0) | HMDB | | Phosphatidate(18:4/24:0) | HMDB | | Phosphatidate(18:4N3/24:0) | HMDB | | Phosphatidate(18:4W3/24:0) | HMDB | | Phosphatidate(42:4) | HMDB | | [(2R)-3-[(6Z,9Z,12Z,15Z)-Octadeca-6,9,12,15-tetraenoyloxy]-2-(tetracosanoyloxy)propoxy]phosphonate | HMDB | | 1-stearidonoyl-2-lignoceroyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-stearidonoyl-2-lignoceroyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(18:4/24:0) | SMPDB, HMDB | | PA(18:4n3/24:0) | SMPDB, HMDB | | PA(18:4w3/24:0) | SMPDB, HMDB | | PA(42:4) | SMPDB, HMDB | | Phosphatidic acid(18:4(6Z,9Z,12Z,15Z)/24:0) | SMPDB, HMDB | | Phosphatidic acid(18:4/24:0) | SMPDB, HMDB | | Phosphatidic acid(18:4n3/24:0) | SMPDB, HMDB | | Phosphatidic acid(18:4w3/24:0) | SMPDB, HMDB | | Phosphatidic acid(42:4) | SMPDB, HMDB | | Phosphatidate(18:4(6Z,9Z,12Z,15Z)/24:0) | SMPDB, HMDB | | Phosphatidate(18:4/24:0) | SMPDB, HMDB | | Phosphatidate(18:4n3/24:0) | SMPDB, HMDB | | Phosphatidate(18:4w3/24:0) | SMPDB, HMDB | | PA(18:4(6Z,9Z,12Z,15Z)/24:0) | SMPDB |
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| Chemical Formula | C45H81O8P |
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| Average Molecular Weight | 781.109 |
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| Monoisotopic Molecular Weight | 780.566906566 |
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| IUPAC Name | [(2R)-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]-2-(tetracosanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]-2-(tetracosanoyloxy)propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC |
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| InChI Identifier | InChI=1S/C45H81O8P/c1-3-5-7-9-11-13-15-17-19-20-21-22-23-24-26-28-30-32-34-36-38-40-45(47)53-43(42-52-54(48,49)50)41-51-44(46)39-37-35-33-31-29-27-25-18-16-14-12-10-8-6-4-2/h6,8,12,14,18,25,29,31,43H,3-5,7,9-11,13,15-17,19-24,26-28,30,32-42H2,1-2H3,(H2,48,49,50)/b8-6-,14-12-,25-18-,31-29-/t43-/m1/s1 |
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| InChI Key | FSLWOMBUVMAIFR-AQQNMTSUSA-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 | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/24:0/24:1(15Z)) (PathBank: SMP0091454)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/24:0/24:0) (PathBank: SMP0076179)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/24:0/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0025798)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/24:0/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0025799)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/24:0/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0025800)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/24:0/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025801)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/24:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025802)
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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. | 6.93 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 40.7516 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.0 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5683.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 651.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 393.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 325.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1251.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 2077.1 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 | 1422.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 218.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 4105.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1280.7 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 | 3186.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1574.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 817.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 625.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 912.8 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 | 11.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:4(6Z,9Z,12Z,15Z)/24:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC | 5564.3 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/24:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC | 4878.4 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/24:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC | 6167.2 | Standard polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/24:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC | 5785.1 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/24:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC | 4967.1 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/24:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCCCCCC | 6140.1 | Standard polar | 33892256 |
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| 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(18:4(6Z,9Z,12Z,15Z)/24:0) 10V, Positive-QTOF | splash10-0lz9-1169532700-1ea18809595389de61db | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 20V, Positive-QTOF | splash10-0r01-2149211100-b65d405c9e6c0cdb1160 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 40V, Positive-QTOF | splash10-05o0-1049101100-b3e3d69ac3e863cc95ce | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 10V, Negative-QTOF | splash10-004i-4093300300-4230adfca69df6b736bb | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 20V, Negative-QTOF | splash10-004i-9051000000-bc72966f80d75b079026 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 40V, Negative-QTOF | splash10-004i-9000000000-ccca55294a7711b179c8 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 10V, Negative-QTOF | splash10-004i-0000000900-d82318e0eebb3edd5000 | 2021-09-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 20V, Negative-QTOF | splash10-004i-1155960700-fd997248811ec1b1a15b | 2021-09-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 40V, Negative-QTOF | splash10-004i-1196330100-181897b73c8727ebec51 | 2021-09-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 10V, Positive-QTOF | splash10-0udi-0000000090-faa9cdcdef13f4e1a75e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 20V, Positive-QTOF | splash10-14i0-0000000990-d2c675cb4645a7eae1fa | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 40V, Positive-QTOF | splash10-0ug0-0000990460-a7e7f86a8a283c95ffef | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 10V, Positive-QTOF | splash10-03e9-0000000900-5758e0ff0c13618a7b94 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 20V, Positive-QTOF | splash10-001i-0000005900-9de5ca1c3a2ad9c8465f | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/24:0) 40V, Positive-QTOF | splash10-06si-0000669300-66f27dd8bc53a58e1050 | 2021-09-25 | Wishart Lab | View Spectrum |
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| Pathways | |
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