RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0097541
RefMet namePA O-18:0/4:0
Alternative namePA(O-18:0/4:0)
Systematic name1-octadecyl-2-butyryl-sn-glycero-3-phosphate
SynonymsPubChem Synonyms
Sum CompositionPA O-22:0 View other entries in RefMet with this sum composition
Exact mass494.337243 (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
FormulaC25H51O7PView other entries in RefMet with this formula
Molecular descriptors
Molfile90803 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C25H51O7P/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-21-30-22-24(23-31-33(27,28)29)32-25(26)20-4-2/h24H,3-23H2,1-2H3,(H
2,27,28,29)/t24-/m1/s1
InChIKeyBRAYTKHHXKLFMD-XMMPIXPASA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCOC[C@H](COP(=O)(O)O)OC(=O)CCC
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-18:0/4:0 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-18:0/4:0
External Links
Pubchem CID145717703
LIPID MAPSLMGP20079EVZ
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-18:0/4:0

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-18:0/4:0

Pathway IDHuman Pathway# of reactions
hsa00565 Ether lipid metabolism 1
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