| 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 08:56:49 UTC |
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| Update Date | 2022-11-30 19:26:42 UTC |
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| HMDB ID | HMDB0116658 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PG(i-12:0/a-21:0) |
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| Description | PG(i-12:0/a-21:0) is a phosphatidylglycerol - a glycerophospholipid in which a phosphoglycerol moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidylglycerols 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. PG(i-12:0/a-21:0), in particular, consists of one chain of isododecanoic acid at the C-1 position and one chain of anteisoheneicosanoic acid at the C-2 position. Phosphatidylglycerol 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 phosphatidylglycerol increases during fetal development. Phosphatidylglycerol may be present in animal tissues merely as a precursor for cardiolipin synthesis. |
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| Structure | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCCCC(C)C)OC(=O)CCCCCCCCCCCCCCCCC(C)CC InChI=1S/C39H77O10P/c1-5-35(4)27-23-19-14-12-10-8-6-7-9-11-13-15-21-25-29-39(43)49-37(33-48-50(44,45)47-31-36(41)30-40)32-46-38(42)28-24-20-17-16-18-22-26-34(2)3/h34-37,40-41H,5-33H2,1-4H3,(H,44,45)/t35?,36-,37+/m0/s1 |
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| Synonyms | | Value | Source |
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| 1-Isododecanoyl-2-anteisoheneicosanoyl-sn-glycero-3-phospho-(1'-glycerol) | HMDB | | 1-Isododecanoyl-2-anteisoheneicosanoyl-sn-glycero-3-phosphoglycerol | HMDB | | PG(33:0) | HMDB | | Phosphatidylglycerol(i-12:0/a-21:0) | HMDB | | Phosphatidylglycerol(33:0) | HMDB | | GPG(33:0) | HMDB | | GPG(I-12:0/A-21:0) | HMDB | | [(2S)-2,3-Dihydroxypropoxy][(2R)-2-[(18-methylicosanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy]phosphinate | HMDB | | PG(i-12:0/a-21:0) | SMPDB |
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| Chemical Formula | C39H77O10P |
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| Average Molecular Weight | 737.009 |
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| Monoisotopic Molecular Weight | 736.525435677 |
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| IUPAC Name | [(2S)-2,3-dihydroxypropoxy][(2R)-2-[(18-methylicosanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy]phosphinic acid |
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| Traditional Name | (2S)-2,3-dihydroxypropoxy((2R)-2-[(18-methylicosanoyl)oxy]-3-[(10-methylundecanoyl)oxy]propoxy)phosphinic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCCCC(C)C)OC(=O)CCCCCCCCCCCCCCCCC(C)CC |
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| InChI Identifier | InChI=1S/C39H77O10P/c1-5-35(4)27-23-19-14-12-10-8-6-7-9-11-13-15-21-25-29-39(43)49-37(33-48-50(44,45)47-31-36(41)30-40)32-46-38(42)28-24-20-17-16-18-22-26-34(2)3/h34-37,40-41H,5-33H2,1-4H3,(H,44,45)/t35?,36-,37+/m0/s1 |
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| InChI Key | WAENXZAYGVNXEC-AYZHLZKXSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phosphatidylglycerols. These are glycerophosphoglycerols in which two fatty acids are bonded to the 1-glycerol moiety through ester linkages. As is the case with diacylglycerols, phosphatidylglycerols can have many different combinations of fatty acids of varying lengths and saturation attached to the C-1 and C-2 positions. |
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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 | Glycerophosphoglycerols |
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| Direct Parent | Phosphatidylglycerols |
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| Alternative Parents | |
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| Substituents | - 1,2-diacylglycerophosphoglycerol
- Fatty acid ester
- Dialkyl phosphate
- Dicarboxylic acid or derivatives
- Organic phosphoric acid derivative
- Phosphoric acid ester
- Alkyl phosphate
- Fatty acyl
- 1,2-diol
- Carboxylic acid ester
- Secondary alcohol
- Carboxylic acid derivative
- Organic oxide
- Organooxygen compound
- Alcohol
- Organic oxygen compound
- Primary 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. | 10.92 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 28.8001 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 | 5098.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 359.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 334.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 187.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 985.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1620.4 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 | 1374.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 140.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2862.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1086.4 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 | 2815.2 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1133.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 694.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 401.5 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 505.2 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 | 8.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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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 - PG(i-12:0/a-21:0) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(i-12:0/a-21:0) 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 - PG(i-12:0/a-21:0) 10V, Positive-QTOF | splash10-06a0-5547551900-17e61dd7f62c322dd1a3 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 20V, Positive-QTOF | splash10-0ar0-9866253300-9a04834543fa268828e9 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 40V, Positive-QTOF | splash10-0a4i-9441021000-4f691d5d4afe0bcc9e2f | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 10V, Negative-QTOF | splash10-055k-0903200300-965f2cd640dfaebea4c3 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 20V, Negative-QTOF | splash10-0032-4901100000-d1ec1e0007ccf5e080f6 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 40V, Negative-QTOF | splash10-004i-9201000000-d20f09c2e6efd2bae1ae | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 10V, Negative-QTOF | splash10-000i-0000000900-180fdc6649ed3f676491 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 20V, Negative-QTOF | splash10-002s-0909320700-563de44612566e191df7 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(i-12:0/a-21:0) 40V, Negative-QTOF | splash10-002s-0907320600-44389085ce34af40d4b6 | 2021-09-23 | Wishart Lab | View Spectrum |
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| General References | - Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- Divecha N, Irvine RF: Phospholipid signaling. Cell. 1995 Jan 27;80(2):269-78. [PubMed:7834746 ]
- Cevc, Gregor (1993). Phospholipids Handbook. Marcel Dekker.
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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