| 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 05:28:28 UTC |
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| Update Date | 2022-11-30 19:26:18 UTC |
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| HMDB ID | HMDB0115668 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(22:0/i-12:0) |
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| Description | PA(22:0/i-12:0) 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(22:0/i-12:0), in particular, consists of one chain of behenic acid at the C-1 position and one chain of isododecanoic 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)(COP(O)(O)=O)OC(=O)CCCCCCCCC(C)C InChI=1S/C37H73O8P/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-24-27-30-36(38)43-32-35(33-44-46(40,41)42)45-37(39)31-28-25-22-21-23-26-29-34(2)3/h34-35H,4-33H2,1-3H3,(H2,40,41,42)/t35-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Behenoyl-2-isododecanoyl-sn-glycero-3-phosphate | HMDB | | 1-Behenoyl-2-isododecanoyl-sn-phosphatidic acid | HMDB | | PA(34:0) | HMDB | | Phosphatidic acid(22:0/i-12:0) | HMDB | | Phosphatidic acid(34:0) | HMDB | | Phosphatidate(22:0/I-12:0) | HMDB | | Phosphatidate(34:0) | HMDB | | [(2R)-3-(Docosanoyloxy)-2-[(10-methylundecanoyl)oxy]propoxy]phosphonate | HMDB | | PA(22:0/i-12:0) | SMPDB |
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| Chemical Formula | C37H73O8P |
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| Average Molecular Weight | 676.957 |
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| Monoisotopic Molecular Weight | 676.504306309 |
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| IUPAC Name | [(2R)-3-(docosanoyloxy)-2-[(10-methylundecanoyl)oxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-(docosanoyloxy)-2-[(10-methylundecanoyl)oxy]propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCC(C)C |
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| InChI Identifier | InChI=1S/C37H73O8P/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-24-27-30-36(38)43-32-35(33-44-46(40,41)42)45-37(39)31-28-25-22-21-23-26-29-34(2)3/h34-35H,4-33H2,1-3H3,(H2,40,41,42)/t35-/m1/s1 |
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| InChI Key | VDUQNUWEBAOOJX-PGUFJCEWSA-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. | 10.7 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 32.8475 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.29 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4833.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 580.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 355.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 227.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 947.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1653.6 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 | 1514.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 175.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3226.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1037.1 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 | 2753.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1239.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 692.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 698.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 742.0 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 | 9.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(22:0/i-12:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCC(C)C | 4665.0 | Semi standard non polar | 33892256 | | PA(22:0/i-12:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCC(C)C | 4136.2 | Standard non polar | 33892256 | | PA(22:0/i-12:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCC(C)C | 5668.7 | Standard polar | 33892256 | | PA(22:0/i-12:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCC(C)C | 4653.2 | Semi standard non polar | 33892256 | | PA(22:0/i-12:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCC(C)C | 4164.5 | Standard non polar | 33892256 | | PA(22:0/i-12:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCC(C)C | 4949.2 | Standard polar | 33892256 | | PA(22:0/i-12:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCC(C)C | 4899.8 | Semi standard non polar | 33892256 | | PA(22:0/i-12:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCC(C)C | 4259.1 | Standard non polar | 33892256 | | PA(22:0/i-12:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCC(C)C | 5634.0 | 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(22:0/i-12:0) 10V, Positive-QTOF | splash10-004i-2729527000-ef76c49b165bd683c2e8 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 20V, Positive-QTOF | splash10-008a-5937201000-00fbfac2c58ca310f064 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 40V, Positive-QTOF | splash10-0532-7967041000-07a1c7a07f70638af106 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 10V, Negative-QTOF | splash10-004r-4309202000-cbefa225c2fbe48efd12 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 20V, Negative-QTOF | splash10-004i-9104000000-b22677b6f9343f943a67 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 40V, Negative-QTOF | splash10-004i-9000000000-9961d10b9b6ad8b45dcc | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 10V, Negative-QTOF | splash10-004i-0000009000-70ee80b755cdf52afbc6 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 20V, Negative-QTOF | splash10-004r-1509605000-959b9e8e64a64ac295f7 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 40V, Negative-QTOF | splash10-000j-1509201000-d4aa476066217bd21bd8 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 10V, Positive-QTOF | splash10-0a6r-0000009000-7e0999ffc52b0364062b | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 20V, Positive-QTOF | splash10-004i-0000059000-74a8587c7290e14c68dd | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 40V, Positive-QTOF | splash10-004i-0006693000-e06979e0d06edf1553ef | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 10V, Positive-QTOF | splash10-0002-0000009000-72505f865a777aa569e9 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 20V, Positive-QTOF | splash10-0udk-0000009000-1655ebf774f16e4bfcd2 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(22:0/i-12:0) 40V, Positive-QTOF | splash10-0002-0007439000-3a849d9d22e834324b69 | 2021-09-22 | Wishart Lab | View Spectrum |
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