RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0102709
RefMet namePA O-18:0/22:0
Alternative namePA(O-18:0/22:0)
Systematic name1-octadecyl-2-docosanoyl-sn-glycero-3-phosphate
SynonymsPubChem Synonyms
Sum CompositionPA O-40:0 View other entries in RefMet with this sum composition
Exact mass746.618943 (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
FormulaC43H87O7PView other entries in RefMet with this formula
Molecular descriptors
Molfile21064 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C43H87O7P/c1-3-5-7-9-11-13-15-17-19-21-22-23-24-26-28-30-32-34-36-38-43(44)50-42(41-49-51(45,46)47)40-48-39-37-35-33-31-2
9-27-25-20-18-16-14-12-10-8-6-4-2/h42H,3-41H2,1-2H3,(H2,45,46,47)/t42-/m1/s1
InChIKeyCURFQVPSGGTELP-HUESYALOSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCCCC)COP(=O)(O)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassGlycerophospholipids
Main ClassGlycerophosphates
Sub ClassO-PA (Ether Phosphatidic acids)
Distribution of PA O-18:0/22:0 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 PA O-18:0/22:0
External Links
Pubchem CID52929647
LIPID MAPSLMGP10020086
KEGG IDC05977
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 PA O-18:0/22:0

Rxn IDKEGG ReactionEnzyme
R04162 2-Acyl-1-alkyl-sn-glycero-3-phosphate + H2O <=> 1-Alkyl-2-acylglycerol + Orthophosphate1-Alkyl-2-acyl-sn-glycero-3-phosphate phosphohydrolase

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

Pathway IDHuman Pathway# of reactions
hsa00565 Ether lipid metabolism 1
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