| 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 02:59:01 UTC |
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| Update Date | 2022-11-30 19:25:57 UTC |
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| HMDB ID | HMDB0114884 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(18:0/20:4(5Z,8Z,11Z,14Z)) |
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| Description | PA(18:0/20:4(5Z,8Z,11Z,14Z)) 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(18:0/20:4(5Z,8Z,11Z,14Z)), in particular, consists of one chain of stearic acid at the C-1 position and one chain of arachidonic 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)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC InChI=1S/C41H73O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h11,13,17,19,22,24,28,30,39H,3-10,12,14-16,18,20-21,23,25-27,29,31-38H2,1-2H3,(H2,44,45,46)/b13-11-,19-17-,24-22-,30-28-/t39-/m1/s1 |
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| Synonyms | | Value | Source |
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| (2R)-1-(Phosphonooxy)-3-(stearoyloxy)propan-2-yl (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate | ChEBI | | 1-Octadecanoyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphate | ChEBI | | 1-Octadecanoyl-2-(5Z,8Z,11Z,14Z)-icosatetraenoyl-sn-glycero-3-phosphate | ChEBI | | 1-Octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphate | ChEBI | | PA(18:0/20:4) | ChEBI | | (2R)-1-(Phosphonooxy)-3-(stearoyloxy)propan-2-yl (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoic acid | Generator | | 1-Octadecanoyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoric acid | Generator | | 1-Octadecanoyl-2-(5Z,8Z,11Z,14Z)-icosatetraenoyl-sn-glycero-3-phosphoric acid | Generator | | 1-Octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphoric acid | Generator | | 1-Stearoyl-2-arachidonoyl-sn-glycero-3-phosphate | HMDB | | 1-Stearoyl-2-arachidonoyl-sn-phosphatidic acid | HMDB | | PA(18:0/20:4N6) | HMDB | | PA(18:0/20:4W6) | HMDB | | PA(38:4) | HMDB | | Phosphatidic acid(18:0/20:4(5Z,8Z,11Z,14Z)) | HMDB | | Phosphatidic acid(18:0/20:4) | HMDB | | Phosphatidic acid(18:0/20:4n6) | HMDB | | Phosphatidic acid(18:0/20:4W6) | HMDB | | Phosphatidic acid(38:4) | HMDB | | Phosphatidate(18:0/20:4(5Z,8Z,11Z,14Z)) | HMDB | | Phosphatidate(18:0/20:4) | HMDB | | Phosphatidate(18:0/20:4N6) | HMDB | | Phosphatidate(18:0/20:4W6) | HMDB | | Phosphatidate(38:4) | HMDB | | 1-stearoyl-2-arachidonoyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-stearoyl-2-arachidonoyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(18:0/20:4) | SMPDB, ChEBI | | PA(18:0/20:4n6) | SMPDB, HMDB | | PA(18:0/20:4w6) | SMPDB, HMDB | | PA(38:4) | SMPDB, HMDB | | Phosphatidic acid(18:0/20:4(5Z,8Z,11Z,14Z)) | SMPDB, HMDB | | Phosphatidic acid(18:0/20:4) | SMPDB, HMDB | | Phosphatidic acid(18:0/20:4n6) | SMPDB, HMDB | | Phosphatidic acid(18:0/20:4w6) | SMPDB, HMDB | | Phosphatidic acid(38:4) | SMPDB, HMDB | | Phosphatidate(18:0/20:4(5Z,8Z,11Z,14Z)) | SMPDB, HMDB | | Phosphatidate(18:0/20:4) | SMPDB, HMDB | | Phosphatidate(18:0/20:4n6) | SMPDB, HMDB | | Phosphatidate(18:0/20:4w6) | SMPDB, HMDB | | PA(18:0/20:4(5Z,8Z,11Z,14Z)) | SMPDB |
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| Chemical Formula | C41H73O8P |
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| Average Molecular Weight | 725.001 |
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| Monoisotopic Molecular Weight | 724.504306309 |
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| IUPAC Name | [(2R)-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyloxy]-3-(octadecanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyloxy]-3-(octadecanoyloxy)propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC |
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| InChI Identifier | InChI=1S/C41H73O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h11,13,17,19,22,24,28,30,39H,3-10,12,14-16,18,20-21,23,25-27,29,31-38H2,1-2H3,(H2,44,45,46)/b13-11-,19-17-,24-22-,30-28-/t39-/m1/s1 |
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| InChI Key | AXJKOPKPNZMCIN-GSEBOFAUSA-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 | |
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| Ontology |
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| Not Available | 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. | 7.38 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 36.7362 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.94 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5258.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 556.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 354.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 292.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1157.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1923.4 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 | 1272.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 226.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3716.0 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1196.5 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 | 2940.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1416.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 756.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 535.5 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 854.0 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 | 10.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:0/20:4(5Z,8Z,11Z,14Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 5138.5 | Semi standard non polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 4553.4 | Standard non polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 5786.5 | Standard polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5100.5 | Semi standard non polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4524.5 | Standard non polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5048.7 | Standard polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5357.3 | Semi standard non polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4652.0 | Standard non polar | 33892256 | | PA(18:0/20:4(5Z,8Z,11Z,14Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5763.7 | 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(18:0/20:4(5Z,8Z,11Z,14Z)) 10V, Positive-QTOF | splash10-05r9-1092602400-f8b29d1ae6e2bfc95be3 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 20V, Positive-QTOF | splash10-00mt-2192202000-dbad10ca36fc95fb11a0 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 40V, Positive-QTOF | splash10-002v-1093003000-afc035a7322d6437c690 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 10V, Negative-QTOF | splash10-01e9-4092300200-65fd861c6943dc4084b6 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 20V, Negative-QTOF | splash10-004i-9050000000-a0fa8880c82b19de0d3a | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 40V, Negative-QTOF | splash10-004i-9000000000-d85794a2676d9ec6966d | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 10V, Negative-QTOF | splash10-00di-0000000900-503da6078c6f482f0a70 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 20V, Negative-QTOF | splash10-0gpr-0033900400-cf0a53755be6d6c64c59 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 40V, Negative-QTOF | splash10-0f89-1196600100-6796750ce45a015222f7 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 10V, Positive-QTOF | splash10-0a6r-0000000900-f25618a4673f1c76e672 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 20V, Positive-QTOF | splash10-004i-0000005900-4871ac345f15ca0d32cd | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 40V, Positive-QTOF | splash10-00bc-0000906200-7294ef93ca5f69f9e4aa | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 10V, Positive-QTOF | splash10-0002-0000000900-c7217cc8b4fecc83cb81 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 20V, Positive-QTOF | splash10-0002-0000009900-9aeab714e87e1529316e | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/20:4(5Z,8Z,11Z,14Z)) 40V, Positive-QTOF | splash10-01ow-0000902300-995101269d842928660d | 2021-09-25 | Wishart Lab | View Spectrum |
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