RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0097815
RefMet nameLPE 20:4
Alternative nameLPE(20:4)
Sum CompositionLPE 20:4 View other entries in RefMet with this sum composition
Exact mass501.285542 (neutral)
Calculate m/z:   
View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
FormulaC25H44NO7PView other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassGlycerophospholipids
Main ClassGlycerophosphoethanolamines
Sub ClassLPE (Lysophosphatidylethanolamines)
Distribution of LPE 20:4 in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
PlatformPlatform (MS/NMR) used for detection
ChromatographyChromatography methods used for detection
StudiesNMDR Studies reporting LPE 20:4
External Links
ChEBI ID64569
KEGG IDC04438
Structural annotation level
Annotation level3   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)
Abbrev# of StudiesRefmet name(exact structures)Systematic name
LPE 20:411LPE 20:4(5Z,8Z,11Z,14Z)/0:01-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphoethanolamine
LPE 20:4(2-aminoethoxy)[(2R)-3-hydroxy-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyloxy]propoxy]phosphinic acid
LPE 20:4(2-aminoethoxy)[(2R)-3-hydroxy-2-[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyloxy]propoxy]phosphinic acid
LPE 20:4(2-aminoethoxy)[(2R)-2-hydroxy-3-[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyloxy]propoxy]phosphinic acid

Table of KEGG reactions in human pathways involving LPE 20:4

Rxn IDKEGG ReactionEnzyme
R02053 Phosphatidylethanolamine + H2O <=> 1-Acyl-sn-glycero-3-phosphoethanolamine + Fatty acidphosphatidylethanolamine 2-acylhydrolase
R03416 1-Acyl-sn-glycero-3-phosphoethanolamine + H2O <=> Fatty acid + sn-Glycero-3-phosphoethanolamine1-Acyl-sn-glycero-3-phosphoethanolamine aldehydohydrolase
R04480 Phosphatidylethanolamine + CoA <=> 1-Acyl-sn-glycero-3-phosphoethanolamine + Acyl-CoAAcyl-CoA:1-acyl-sn-glycero-3-phosphoethanolamine O-acyltransferase

Table of KEGG human pathways containing LPE 20:4

Pathway IDHuman Pathway# of reactions
hsa00564 Glycerophospholipid metabolism 3
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