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| Identification |
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| YMDB ID | YMDB01192 |
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| Name | PE(12:0/16:0) |
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| Species | Saccharomyces cerevisiae |
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| Strain | Brewer's yeast |
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| Description | PE(12:0/16:0) is a phosphatidylethanolamine. It is a glycerophospholipid in which a phosphorylethanolamine moiety occupies a glycerol substitution site. As is the case with diacylglycerols, glycerophosphoethanolamines can have many different combinations of fatty acids of varying lengths and saturation attached to the C-1 and C-2 atoms. PE(12:0/16:0), in particular, consists of one dodecanoyl chain to the C-1 atom, and one hexadecanoyl to the C-2 atom. 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. PEs are neutral zwitterions 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. PE synthesis can occur via two pathways. The first requires that ethanolamine be activated by phosphorylation and then coupled to CDP. The ethanolamine is then transferred from CDP-ethanolamine to phosphatidic acid to yield PE. The second involves the decarboxylation of PS. |
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| Structure | |
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| Synonyms | - (3-Phosphatidyl)-ethanolamine
- (3-Phosphatidyl)ethanolamine
- 1-Acyl-2-acyl-sn-glycero-3-phosphoethanolamine
- 1-dodecanoyl-2-palmitoyl-sn-glycero-3-phosphoethanolamine
- 1,2-diacyl-sn-glycero-3-phosphoethanolamine
- 1,2-dipalmitoyl-rac-glycero-3-phosphoethanolamine
- Cephalin
- GPEtn(12:0/16:0)
- GPEtn(28:0)
- GPEtn(32:0)
- O-(1-beta-Acyl-2-acyl-sn-glycero-3-phospho)ethanolamine
- PE(12:0/16:0)
- PE(28:0)
- Phophatidylethanolamine(12:0/16:0)
- Phophatidylethanolamine(16:0/16:0)
- Phophatidylethanolamine(28:0)
- Phophatidylethanolamine(32:0)
- Phosphatidylethanolamine
- phosphatidylethanolamines
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| CAS number | Not Available |
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| Weight | Average: 635.864
Monoisotopic: 635.452605087 |
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| InChI Key | YKDBGQOZWNUZGY-WJOKGBTCSA-N |
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| InChI | InChI=1S/C33H66NO8P/c1-3-5-7-9-11-13-14-15-16-18-20-22-24-26-33(36)42-31(30-41-43(37,38)40-28-27-34)29-39-32(35)25-23-21-19-17-12-10-8-6-4-2/h31H,3-30,34H2,1-2H3,(H,37,38)/t31-/m1/s1 |
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| IUPAC Name | (2-aminoethoxy)[(2R)-3-(dodecanoyloxy)-2-(hexadecanoyloxy)propoxy]phosphinic acid |
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| Traditional IUPAC Name | 2-aminoethoxy((2R)-3-(dodecanoyloxy)-2-(hexadecanoyloxy)propoxy)phosphinic acid |
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| Chemical Formula | C33H66NO8P |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCCCC)(COP(O)(=O)OCCN)OC(=O)CCCCCCCCCCCCCCC |
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| Chemical Taxonomy |
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| Description | belongs to the class of organic compounds known as phosphatidylethanolamines. These are glycerophosphoetahnolamines in which two fatty acids are bonded to the 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 | Glycerophosphoethanolamines |
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| Direct Parent | Phosphatidylethanolamines |
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| Alternative Parents | |
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| Substituents | - Diacylglycero-3-phosphoethanolamine
- Phosphoethanolamine
- Fatty acid ester
- Dialkyl phosphate
- Dicarboxylic acid or derivatives
- Organic phosphoric acid derivative
- Phosphoric acid ester
- Alkyl phosphate
- Fatty acyl
- Amino acid or derivatives
- Carboxylic acid ester
- Carboxylic acid derivative
- Organopnictogen compound
- Organic oxygen compound
- Organooxygen compound
- Organonitrogen compound
- Amine
- Primary aliphatic amine
- Organic nitrogen compound
- Primary amine
- Carbonyl group
- Organic oxide
- Hydrocarbon derivative
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Solid |
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| Charge | 0 |
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| Melting point | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Water Solubility | Not Available | PhysProp | | LogP | Not Available | PhysProp |
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| Predicted Properties | |
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| Biological Properties |
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| Cellular Locations | - Endoplasmic reticulum
- Mitochondria
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| Organoleptic Properties | Not Available |
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| SMPDB Pathways | | Phosphatidylcholine biosynthesis PC(12:0/16:0) | PW002808 |    |
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| KEGG Pathways | Not Available |
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| SMPDB Reactions | |
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| KEGG Reactions | Not Available |
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| Concentrations |
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| Intracellular Concentrations | | Intracellular Concentration | Substrate | Growth Conditions | Strain | Citation |
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| 32500 ± 6000 umol/L | SD media with 2% raffinose | 24 oC | BY4741 | PMID: 19174513 | | Conversion Details Here |
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| Extracellular Concentrations | Not Available |
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| Spectra |
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| Spectra | |
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| References |
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| References: | - Ejsing, C. S., Sampaio, J. L., Surendranath, V., Duchoslav, E., Ekroos, K., Klemm, R. W., Simons, K., Shevchenko, A. (2009). "Global analysis of the yeast lipidome by quantitative shotgun mass spectrometry." Proc Natl Acad Sci U S A 106:2136-2141.19174513
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| Synthesis Reference: | Not Available |
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| External Links: | | Resource | Link |
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| CHEBI ID | Not Available | | HMDB ID | Not Available | | Pubchem Compound ID | 52924955 | | Kegg ID | Not Available | | ChemSpider ID | Not Available | | FOODB ID | Not Available | | Wikipedia ID | Not Available | | BioCyc ID | Not Available |
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