RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0055998
RefMet namePE O-22:0/18:0
Alternative namePE(O-22:0/18:0)
Systematic name1-docosyl-2-octadecanoyl-sn-glycero-3-phosphoethanolamine
SynonymsPubChem Synonyms
Sum CompositionPE O-40:0 View other entries in RefMet with this sum composition
Exact mass789.661142 (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
FormulaC45H92NO7PView other entries in RefMet with this formula
Molecular descriptors
Molfile91324 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C45H92NO7P/c1-3-5-7-9-11-13-15-17-19-20-21-22-23-25-27-29-31-33-35-37-40-50-42-44(43-52-54(48,49)51-41-39-46)53-45(47)38-
36-34-32-30-28-26-24-18-16-14-12-10-8-6-4-2/h44H,3-43,46H2,1-2H3,(H,48,49)/t44-/m1/s1
InChIKeyZBZAFGXQVMBOCQ-USYZEHPZSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCOC[C@H](COP(=O)(O)OCCN)OC(=O)CCCCCCCCCCCCCCCCC
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassGlycerophospholipids
Main ClassGlycerophosphoethanolamines
Sub ClassO-PE (Ether Phosphatidylethanolamines)
Distribution of PE O-22:0/18:0 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 PE O-22:0/18:0
External Links
Pubchem CID145718289
LIPID MAPSLMGP02029A4N
KEGG IDC04475
Structural annotation level
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving PE O-22:0/18:0

Rxn IDKEGG ReactionEnzyme
R04571 1-Alkyl-2-acylglycerophosphoethanolamine + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> O-1-Alk-1-enyl-2-acyl-sn-glycero-3-phosphoethanolamine + 2 Ferricytochrome b5 + 2 H2Oplasmanylethanolamine,ferrocytochrome b5:oxygen oxidoreductase (plasmenylethanolamine-forming)
R06364 CDP-ethanolamine + 1-Alkyl-2-acylglycerol <=> CMP + 1-Alkyl-2-acylglycerophosphoethanolamineCDPethanolamine:1-alkyl-2-acylglycerol ethanolaminephosphotransferase

Table of KEGG human pathways containing PE O-22:0/18:0

Pathway IDHuman Pathway# of reactions
hsa00565 Ether lipid metabolism 2
hsa01100 Metabolic pathways 1
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