| 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 08:26:24 UTC |
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| Update Date | 2022-11-30 19:26:39 UTC |
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| HMDB ID | HMDB0116540 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PGP(i-12:0/i-16:0) |
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| Description | PGP(i-12:0/i-16:0) is a phosphatidylglycerophosphate (PGP). It is a glycerophospholipid in which a phosphoglycerol moiety occupies a glycerol substitution site followed by another phosphate moiety. Phosphatidylglycerolphosphate is present at a level of 1-2% in most animal tissues, but it can be the second most abundant phospholipid in lung surfactant (up to 11% of the total). It is well established that the concentration of phosphatidylglycerolphosphate increases during fetal development. Phosphatidylglycerolphosphate may be present in animal tissues merely as a precursor for cardiolipin synthesis. As is the case with diacylglycerols, phosphatidylglycerophosphates can have many different combinations of fatty acids of varying lengths and saturation attached to the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PGP(i-12:0/i-16:0), in particular, consists of one chain of isododecanoic acid at the C-1 position and one chain of isohexadecanoic acid at the C-2 position. They are synthesized by the addition of glycerol 3-phosphate to a CDP-diacylglycerol. In turn, PGPs are dephosphorylated to phosphatidylglycerols (PGs). While most phospholipids have a saturated fatty acid on C-1 and an unsaturated fatty acid on C-2 of the glycerol backbone, the fatty acid distribution at the C-1 and C-2 positions of glycerol within phospholipids is continually in flux, owing to phospholipid degradation and the continuous phospholipid remodeling that occurs while these molecules are in membranes. |
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| Structure | [H][C@](O)(COP(O)(O)=O)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCCCC(C)C)OC(=O)CCCCCCCCCCCCC(C)C InChI=1S/C34H68O13P2/c1-29(2)21-17-13-9-7-5-6-8-10-16-20-24-34(37)47-32(27-43-33(36)23-19-15-12-11-14-18-22-30(3)4)28-46-49(41,42)45-26-31(35)25-44-48(38,39)40/h29-32,35H,5-28H2,1-4H3,(H,41,42)(H2,38,39,40)/t31-,32+/m0/s1 |
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| Synonyms | | Value | Source |
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| 1-Isododecanoyl-2-isohexadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol-3'-phosphate) | HMDB | | PGP(28:0) | HMDB | | 3-sn-Phosphatidyl-1'-sn-glycerol 3'-phosphoric acid | HMDB | | [(2S)-2-Hydroxy-3-({hydroxy[(2R)-2-[(14-methylpentadecanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy]phosphoryl}oxy)propoxy]phosphonate | HMDB | | PGP(i-12:0/i-16:0) | SMPDB |
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| Chemical Formula | C34H68O13P2 |
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| Average Molecular Weight | 746.853 |
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| Monoisotopic Molecular Weight | 746.413516246 |
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| IUPAC Name | [(2S)-2-hydroxy-3-({hydroxy[(2R)-2-[(14-methylpentadecanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy]phosphoryl}oxy)propoxy]phosphonic acid |
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| Traditional Name | (2S)-2-hydroxy-3-{[hydroxy((2R)-2-[(14-methylpentadecanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy)phosphoryl]oxy}propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@](O)(COP(O)(O)=O)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCCCC(C)C)OC(=O)CCCCCCCCCCCCC(C)C |
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| InChI Identifier | InChI=1S/C34H68O13P2/c1-29(2)21-17-13-9-7-5-6-8-10-16-20-24-34(37)47-32(27-43-33(36)23-19-15-12-11-14-18-22-30(3)4)28-46-49(41,42)45-26-31(35)25-44-48(38,39)40/h29-32,35H,5-28H2,1-4H3,(H,41,42)(H2,38,39,40)/t31-,32+/m0/s1 |
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| InChI Key | RPDZJOQSFPDVLW-AJQTZOPKSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phosphatidylglycerophosphates. These are glycerophosphoglycerophosphates in which two fatty acids are bonded to the 1-glycerol moiety 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 | Glycerophosphoglycerophosphates |
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| Direct Parent | Phosphatidylglycerophosphates |
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| Alternative Parents | |
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| Substituents | - Diacylglycerophosphoglycerophosphate
- Sn-glycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Dialkyl phosphate
- Dicarboxylic acid or derivatives
- Organic phosphoric acid derivative
- Phosphoric acid ester
- Alkyl phosphate
- Fatty acyl
- Secondary alcohol
- Carboxylic acid ester
- Carboxylic acid derivative
- Organooxygen compound
- Organic oxide
- Organic oxygen compound
- Alcohol
- Carbonyl group
- Hydrocarbon derivative
- 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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| 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. Predicted by Afia on May 17, 2022. | 10.57 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 19.4239 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.03 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3861.8 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 162.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 269.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 168.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 668.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1137.2 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 | 1061.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 254.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1856.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 906.2 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 | 1887.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 769.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 557.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 169.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 208.7 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 | 37.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PGP(i-12:0/i-16:0),2TMS,isomer #1 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(OC[C@H](COP(=O)(O)O)O[Si](C)(C)C)O[Si](C)(C)C | 4990.2 | Semi standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #1 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(OC[C@H](COP(=O)(O)O)O[Si](C)(C)C)O[Si](C)(C)C | 4120.3 | Standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #1 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(OC[C@H](COP(=O)(O)O)O[Si](C)(C)C)O[Si](C)(C)C | 6519.7 | Standard polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #2 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)O[Si](C)(C)C | 5020.6 | Semi standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #2 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)O[Si](C)(C)C | 4135.6 | Standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #2 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)O[Si](C)(C)C | 6612.4 | Standard polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #3 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(OC[C@@H](O)COP(=O)(O)O[Si](C)(C)C)O[Si](C)(C)C | 5017.1 | Semi standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #3 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(OC[C@@H](O)COP(=O)(O)O[Si](C)(C)C)O[Si](C)(C)C | 4153.2 | Standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #3 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(OC[C@@H](O)COP(=O)(O)O[Si](C)(C)C)O[Si](C)(C)C | 6162.5 | Standard polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #4 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(O)OC[C@@H](O)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5025.8 | Semi standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #4 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(O)OC[C@@H](O)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4153.5 | Standard non polar | 33892256 | | PGP(i-12:0/i-16:0),2TMS,isomer #4 | CC(C)CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC(C)C)COP(=O)(O)OC[C@@H](O)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 6267.7 | Standard polar | 33892256 |
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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 - PGP(i-12:0/i-16:0) GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-16:0) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-16:0) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-16:0) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-16:0) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-16:0) GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PGP(i-12:0/i-16:0) GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | 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 - PGP(i-12:0/i-16:0) 10V, Positive-QTOF | splash10-054k-1781422900-eaec4c0f98bcf26f9f8d | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 20V, Positive-QTOF | splash10-055k-4970222200-f51e7e10574107613b0a | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 40V, Positive-QTOF | splash10-0a4i-9870502000-f2230284d6ad98a833dd | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 10V, Negative-QTOF | splash10-0032-4950120300-d097165b3a429b585483 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 20V, Negative-QTOF | splash10-004j-9420000000-805390e54a52032814b1 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 40V, Negative-QTOF | splash10-004i-9000000000-8f6e4b5e9bbbaab6fd5e | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 10V, Negative-QTOF | splash10-0002-0010000900-5310ece049448c9238fe | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 20V, Negative-QTOF | splash10-0002-4291231800-3d40878c3de9cb3ee274 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 40V, Negative-QTOF | splash10-0fi1-5093540100-ef61cc262fb62d8cc610 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 10V, Positive-QTOF | splash10-0002-1100504900-598e38f868dd6a7a9e3d | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 20V, Positive-QTOF | splash10-052b-2501689000-f02160ee9693bd0ecde2 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PGP(i-12:0/i-16:0) 40V, Positive-QTOF | splash10-0udj-9586600000-49c2e80dfe97f1ff94a7 | 2021-09-22 | Wishart Lab | View Spectrum |
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