Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2005-11-16 15:48:42 UTC |
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Update Date | 2022-11-30 19:02:44 UTC |
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HMDB ID | HMDB0000614 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | PS(16:0/16:0) |
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Description | PS(16:0/16:0) is a phosphatidylserine (PS or GPSer). It is a glycerophospholipid in which a phosphorylserine moiety occupies a glycerol substitution site. As is the case with diacylglycerols, glycerophosphoserines 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. PS(16:0/16:0), in particular, consists of two chain of palmitic acid at the C-1 and C-2 positions. Phosphatidylserine or 1,2-diacyl-sn-glycero-3-phospho-L-serine is distributed widely among animals, plants and microorganisms. It is usually less than 10% of the total phospholipids, the greatest concentration being in myelin from brain tissue. However, it may comprise 10 to 20 mol% of the total phospholipid in the plasma membrane and endoplasmic reticulum of the cell. Phosphatidylserine is an acidic (anionic) phospholipid with three ionizable groups, i.e. the phosphate moiety, the amino group and the carboxyl function. As with other acidic lipids, it exists in nature in salt form, but it has a high propensity to chelate to calcium via the charged oxygen atoms of both the carboxyl and phosphate moieties, modifying the conformation of the polar head group. This interaction may be of considerable relevance to the biological function of phosphatidylserine, especially during bone formation for example. As phosphatidylserine is located entirely on the inner monolayer surface of the plasma membrane (and of other cellular membranes) and it is the most abundant anionic phospholipids. Therefore phosphatidylseriine may make the largest contribution to interfacial effects in membranes involving non-specific electrostatic interactions. This normal distribution is disturbed during platelet activation and cellular apoptosis. In human plasma, 1-stearoyl-2-oleoyl and 1-stearoyl-2-arachidonoyl species predominate, but in brain (especially grey matter), retina and many other tissues 1-stearoyl-2-docosahexaenoyl species are very abundant. Indeed, the ratio of n-3 to n-6 fatty acids in brain phosphatidylserine is very much higher than in most other lipids.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. Phosphatidylserines typically carry a net charge of -1 at physiological pH. They mostly have palmitic or stearic acid on carbon 1 and a long chain unsaturated fatty acid (e.g. 18:2, 20:4 and 22:6) on carbon 2. PS biosynthesis involves an exchange reaction of serine for ethanolamine in PE. |
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Structure | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(=O)OC[C@H](N)C(O)=O)OC(=O)CCCCCCCCCCCCCCC InChI=1S/C38H74NO10P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-36(40)46-31-34(32-47-50(44,45)48-33-35(39)38(42)43)49-37(41)30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h34-35H,3-33,39H2,1-2H3,(H,42,43)(H,44,45)/t34-,35+/m1/s1 |
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Synonyms | Value | Source |
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1,2-Dipalmitoyl-sn-glycero-3-phosphoserine | ChEBI | 1,2-Dipalmitoylglycerophosphorylserine | ChEBI | Phosphatidylserine (16:0/16:0) | ChEBI | pSer(16:0/16:0) | ChEBI | PS(32:0) | HMDB | Phosphatidylserine(16:0/16:0) | HMDB | 1,2-Dipalmitoyl-rac-glycero-3-phosphoserine | HMDB | pSer(32:0) | HMDB | 1,2-Dihexadecanoyl-rac-glycero-3-phosphoserine | HMDB | Phosphatidylserine(32:0) | HMDB | DPPS | HMDB | Dipalmitoylphosphatidylserine | HMDB | 1,2-Dipalmitoyl-GPS | HMDB | 1,2-Dipalmitoyl-sn-3-glycerophosphoserine | HMDB | 1,2-Dipalmitoyl-sn-glycero-3-phosphatidylserine | HMDB | 1,2-Dipalmitoyl-sn-glycero-3-phospho-L-serine | HMDB | Dipalmitoyl-sn-glycerol-3-phosphorylserine | HMDB | L-alpha-Dipalmitoylphosphatidylserine | HMDB | L-Α-dipalmitoylphosphatidylserine | HMDB | PS(16:0/16:0) | Lipid Annotator, ChEBI |
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Chemical Formula | C38H74NO10P |
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Average Molecular Weight | 735.981 |
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Monoisotopic Molecular Weight | 735.505034585 |
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IUPAC Name | (2S)-2-amino-3-({[(2R)-2,3-bis(hexadecanoyloxy)propoxy](hydroxy)phosphoryl}oxy)propanoic acid |
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Traditional Name | dipalmitoyl phosphatidylserine |
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CAS Registry Number | 40290-42-4 |
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SMILES | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(=O)OC[C@H](N)C(O)=O)OC(=O)CCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C38H74NO10P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-36(40)46-31-34(32-47-50(44,45)48-33-35(39)38(42)43)49-37(41)30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h34-35H,3-33,39H2,1-2H3,(H,42,43)(H,44,45)/t34-,35+/m1/s1 |
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InChI Key | KLFKZIQAIPDJCW-GPOMZPHUSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as phosphatidylserines. These are glycerophosphoserines in which two fatty acids are bonded to the glycerol moiety through ester linkages. As is the case with diacylglycerols, phosphatidylserines 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 | Glycerophosphoserines |
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Direct Parent | Phosphatidylserines |
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Alternative Parents | |
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Substituents | - Diacyl-glycerol-3-phosphoserine
- Alpha-amino acid
- Alpha-amino acid or derivatives
- L-alpha-amino acid
- Tricarboxylic acid or derivatives
- Phosphoethanolamine
- Fatty acid ester
- Dialkyl phosphate
- Organic phosphoric acid derivative
- Phosphoric acid ester
- Alkyl phosphate
- Fatty acyl
- Amino acid
- Amino acid or derivatives
- Carboxylic acid ester
- Carboxylic acid derivative
- Carboxylic acid
- Primary aliphatic amine
- Organopnictogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Amine
- Carbonyl group
- Organic oxide
- Primary amine
- Hydrocarbon derivative
- Organonitrogen compound
- 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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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PS(16:0/16:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(OC[C@H](N)C(=O)O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4973.2 | Semi standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(OC[C@H](N)C(=O)O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4509.4 | Standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(OC[C@H](N)C(=O)O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 7220.9 | Standard polar | 33892256 | PS(16:0/16:0),2TMS,isomer #2 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 5117.3 | Semi standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #2 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4660.1 | Standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #2 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 6784.2 | Standard polar | 33892256 | PS(16:0/16:0),2TMS,isomer #3 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(OC[C@H](N[Si](C)(C)C)C(=O)O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 5171.7 | Semi standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #3 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(OC[C@H](N[Si](C)(C)C)C(=O)O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4665.2 | Standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #3 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(OC[C@H](N[Si](C)(C)C)C(=O)O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 6213.3 | Standard polar | 33892256 | PS(16:0/16:0),2TMS,isomer #4 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 5336.1 | Semi standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #4 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4746.8 | Standard non polar | 33892256 | PS(16:0/16:0),2TMS,isomer #4 | CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 6820.1 | Standard polar | 33892256 |
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Spectra |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - PS(16:0/16:0) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PS(16:0/16:0) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PS(16:0/16:0) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PS(16:0/16:0) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PS(16:0/16:0) GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PS(16:0/16:0) GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 10V, Positive-QTOF | splash10-0udj-0000393000-5d82d8d3c3cc3a8e1ef7 | 2016-09-19 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 10V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 20V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 40V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 10V, Positive-QTOF | splash10-0ab9-0000016900-6bb9b6bacde6d8b4611b | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 20V, Positive-QTOF | splash10-0a4i-0000002900-eaf2a2217a8f79f1c16c | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 40V, Positive-QTOF | splash10-0a4i-0090033100-708416ca737a3b1fee06 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 10V, Positive-QTOF | splash10-000i-0000010900-db7bc8c2e3b9dad9960c | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 20V, Positive-QTOF | splash10-0udr-0001391600-51c373de4449f596bd5c | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 40V, Positive-QTOF | splash10-0udi-0001391100-9a4a9ad709f158064e08 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 10V, Positive-QTOF | splash10-14i6-0000099900-38c346454df0c2d55b3a | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 20V, Positive-QTOF | splash10-0k96-0900099900-cf1ed9c46228bdf4f23f | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 40V, Positive-QTOF | splash10-0k96-0900099900-cf1ed9c46228bdf4f23f | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 10V, Negative-QTOF | splash10-001i-0000000900-402c44be8653ebc0c284 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 20V, Negative-QTOF | splash10-001i-0000001900-2b5ae18fbcabd46b8f69 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PS(16:0/16:0) 40V, Negative-QTOF | splash10-0535-0166109600-e8d10538897e7b62801e | 2021-09-24 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-22 | Wishart Lab | View Spectrum |
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Biological Properties |
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Cellular Locations | |
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Biospecimen Locations | Not Available |
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Tissue Locations | |
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Pathways | |
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Normal Concentrations |
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Abnormal Concentrations |
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Associated Disorders and Diseases |
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Disease References | None |
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Associated OMIM IDs | None |
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External Links |
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DrugBank ID | Not Available |
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Phenol Explorer Compound ID | Not Available |
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FooDB ID | FDB022144 |
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KNApSAcK ID | Not Available |
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Chemspider ID | 7826040 |
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KEGG Compound ID | Not Available |
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BioCyc ID | Not Available |
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BiGG ID | Not Available |
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Wikipedia Link | Not Available |
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METLIN ID | Not Available |
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PubChem Compound | 9547090 |
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PDB ID | Not Available |
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ChEBI ID | 84523 |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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MarkerDB ID | Not Available |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Hermetter, A.; Paltauf, F.; Hauser, H. Synthesis of diacyl and alkylacyl glycerophosphoserines. Chemistry and Physics of Lipids (1982), 30(1), 35-45. |
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Material Safety Data Sheet (MSDS) | Not Available |
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General References | - Thompson JA, Miles BS, Fennessey PV: Urinary organic acids quantitated by age groups in a healthy pediatric population. Clin Chem. 1977 Sep;23(9):1734-8. [PubMed:890917 ]
- Chen S: Partial characterization of the molecular species of phosphatidylserine from human plasma by high-performance liquid chromatography and fast atom bombardment mass spectrometry. J Chromatogr B Biomed Appl. 1994 Nov 4;661(1):1-5. [PubMed:7866537 ]
- Gao F, Tian X, Wen D, Liao J, Wang T, Liu H: Analysis of phospholipid species in rat peritoneal surface layer by liquid chromatography/electrospray ionization ion-trap mass spectrometry. Biochim Biophys Acta. 2006 Jul;1761(7):667-76. Epub 2006 Apr 24. [PubMed:16714143 ]
- Elshenawy S, Pinney SE, Stuart T, Doulias PT, Zura G, Parry S, Elovitz MA, Bennett MJ, Bansal A, Strauss JF 3rd, Ischiropoulos H, Simmons RA: The Metabolomic Signature of the Placenta in Spontaneous Preterm Birth. Int J Mol Sci. 2020 Feb 4;21(3). pii: ijms21031043. doi: 10.3390/ijms21031043. [PubMed:32033212 ]
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