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 02:58:32 UTC |
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Update Date | 2022-11-30 19:25:57 UTC |
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HMDB ID | HMDB0114881 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(18:0/20:0) |
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Description | PA(18:0/20:0) 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(18:0/20:0), in particular, consists of one chain of stearic acid at the C-1 position and one chain of arachidic 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)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC InChI=1S/C41H81O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h39H,3-38H2,1-2H3,(H2,44,45,46)/t39-/m1/s1 |
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Synonyms | Value | Source |
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1-stearoyl-2-arachidoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-stearoyl-2-arachidoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(38:0) | SMPDB, HMDB | Phosphatidic acid(18:0/20:0) | SMPDB, HMDB | Phosphatidic acid(38:0) | SMPDB, HMDB | Phosphatidate(18:0/20:0) | SMPDB, HMDB | Phosphatidate(38:0) | SMPDB, HMDB | PA(18:0/20:0) | SMPDB |
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Chemical Formula | C41H81O8P |
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Average Molecular Weight | 733.065 |
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Monoisotopic Molecular Weight | 732.566906566 |
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IUPAC Name | [(2R)-2-(icosanoyloxy)-3-(octadecanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-2-(icosanoyloxy)-3-(octadecanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C41H81O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h39H,3-38H2,1-2H3,(H2,44,45,46)/t39-/m1/s1 |
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InChI Key | WSHAXIXHAXRXGT-LDLOPFEMSA-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 | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/24:0) (PathBank: SMP0018328)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:0) (PathBank: SMP0015944)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:1(11Z)) (PathBank: SMP0015945)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0015946)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/18:0) (PathBank: SMP0018326)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/22:0) (PathBank: SMP0018327)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/14:1(9Z)) (PathBank: SMP0018329)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/16:1(9Z)) (PathBank: SMP0018330)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/18:1(11Z)) (PathBank: SMP0018331)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/18:1(9Z)) (PathBank: SMP0018332)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:3(5Z,8Z,11Z)) (PathBank: SMP0018333)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/22:1(13Z)) (PathBank: SMP0018334)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/24:1(15Z)) (PathBank: SMP0018335)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/18:2(9Z,12Z)) (PathBank: SMP0018336)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/18:3(6Z,9Z,12Z)) (PathBank: SMP0018337)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/22:2(13Z,16Z)) (PathBank: SMP0018338)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/22:4(7Z,10Z,13Z,16Z)) (PathBank: SMP0018339)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0018340)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/18:3(9Z,12Z,15Z)) (PathBank: SMP0018341)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0018342)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0018343)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0018344)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0018345)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0018346)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:2(11Z,14Z)) (PathBank: SMP0032957)
- De Novo Triacylglycerol Biosynthesis TG(18:0/20:0/20:3(8Z,11Z,14Z)) (PathBank: SMP0032958)
- Phosphatidylcholine Biosynthesis PC(18:0/20:0) (PathBank: SMP0063836)
- Phosphatidylethanolamine Biosynthesis PE(18:0/20:0) (PathBank: SMP0071738)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:0) (PathBank: SMP0081482)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:1(11Z)) (PathBank: SMP0081483)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:1(13Z)) (PathBank: SMP0081484)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/22:0) (PathBank: SMP0081485)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/22:1(13Z)) (PathBank: SMP0081486)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(11Z)/20:1(11Z)) (PathBank: SMP0081487)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(11Z)/20:1(13Z)) (PathBank: SMP0081488)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(11Z)/22:0) (PathBank: SMP0081489)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(11Z)/22:1(13Z)) (PathBank: SMP0081490)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(13Z)/20:1(13Z)) (PathBank: SMP0081491)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(13Z)/22:0) (PathBank: SMP0081492)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(13Z)/22:1(13Z)) (PathBank: SMP0081493)
- Cardiolipin Biosynthesis CL(18:0/20:0/22:0/22:0) (PathBank: SMP0081494)
- Cardiolipin Biosynthesis CL(18:0/20:0/22:0/22:1(13Z)) (PathBank: SMP0081495)
- Cardiolipin Biosynthesis CL(18:0/20:0/22:1(13Z)/22:1(13Z)) (PathBank: SMP0081496)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:3(5Z,8Z,11Z)) (PathBank: SMP0084688)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:3(8Z,11Z,14Z)) (PathBank: SMP0084689)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0084690)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0084691)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:0/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0084693)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)) (PathBank: SMP0084694)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)) (PathBank: SMP0084695)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0084696)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0084697)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(5Z,8Z,11Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0084698)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(8Z,11Z,14Z)/20:3(8Z,11Z,14Z)) (PathBank: SMP0084699)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(8Z,11Z,14Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0084700)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(8Z,11Z,14Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0084701)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:3(8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0084702)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(5Z,8Z,11Z,14Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0084703)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(5Z,8Z,11Z,14Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0084704)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0084705)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(8Z,11Z,14Z,17Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0084706)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0084707)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:5(5Z,8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0084708)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(11Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0099280)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:1(11Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0099281)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(5Z,8Z,11Z,14Z)/22:0) (PathBank: SMP0099286)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(5Z,8Z,11Z,14Z)/22:1(13Z)) (PathBank: SMP0099287)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(8Z,11Z,14Z,17Z)/22:0) (PathBank: SMP0099289)
- Cardiolipin Biosynthesis CL(18:0/20:0/20:4(8Z,11Z,14Z,17Z)/22:1(13Z)) (PathBank: SMP0099290)
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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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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PA(18:0/20:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 5109.8 | Semi standard non polar | 33892256 | PA(18:0/20:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 4617.4 | Standard non polar | 33892256 | PA(18:0/20:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 6187.5 | Standard polar | 33892256 | PA(18:0/20:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5065.2 | Semi standard non polar | 33892256 | PA(18:0/20:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4615.6 | Standard non polar | 33892256 | PA(18:0/20:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5419.6 | Standard polar | 33892256 | PA(18:0/20:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5409.1 | Semi standard non polar | 33892256 | PA(18:0/20:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4721.8 | Standard non polar | 33892256 | PA(18:0/20:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 6131.3 | Standard polar | 33892256 |
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