RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0173934
RefMet namePI 13:0/18:4(6Z,9Z,12Z,15Z)
Systematic name1-tridecanoyl-2-(6Z,9Z,12Z,15Z-octadecatetraenoyl)-sn-glycero-3-phosphoinositol
SynonymsPubChem Synonyms
Sum CompositionPI 31:4 View other entries in RefMet with this sum composition
Exact mass788.447583 (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
FormulaC40H69O13PView other entries in RefMet with this formula
Molecular descriptors
Molfile18864 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C40H69O13P/c1-3-5-7-9-11-13-15-16-17-18-19-21-23-25-27-29-34(42)52-32(30-50-33(41)28-26-24-22-20-14-12-10-8-6-4-2)31-51-5
4(48,49)53-40-38(46)36(44)35(43)37(45)39(40)47/h5,7,11,13,16-17,19,21,32,35-40,43-47H,3-4,6,8-10,12,14-15,18,20,22-31H2,1-2H3,(H,4
8,49)/b7-5-,13-11-,17-16-,21-19-/t32-,35-,36-,37+,38-,39-,40-/m1/s1
InChIKeyVZMQKTBHMFCQFB-PXKQQOOQSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCC/C=CC/C=CC/C=CC/C=CCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCC)COP(=O)(O)O[C@@H]1C([C@@H](C(C(C1O)O)O)O)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassGlycerophospholipids
Main ClassGlycerophosphoinositols
Sub ClassPI (Phosphatidylinositols)
Distribution of PI 13:0/18:4(6Z,9Z,12Z,15Z) 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 PI 13:0/18:4(6Z,9Z,12Z,15Z)
External Links
Pubchem CID52927502
LIPID MAPSLMGP06010049
KEGG IDC01194
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 PI 13:0/18:4(6Z,9Z,12Z,15Z)

Rxn IDKEGG ReactionEnzyme
R01802 CDP-diacylglycerol + myo-Inositol <=> CMP + 1-Phosphatidyl-D-myo-inositolCDP-diacylglycerol:myo-inositol 3-phosphatidyltransferase
R03332 1-Phosphatidyl-D-myo-inositol + H2O <=> Inositol 1-phosphate + 1,2-Diacyl-sn-glycerol1-Phosphatidyl-D-myo-inositol inositolphosphohydrolase
R03361 ATP + 1-Phosphatidyl-D-myo-inositol <=> ADP + 1-Phosphatidyl-1D-myo-inositol 4-phosphateATP:1-Phosphatidyl-1D-myo-inositol 4-phosphotransferase
R03362 ATP + 1-Phosphatidyl-D-myo-inositol <=> ADP + 1-Phosphatidyl-1D-myo-inositol 3-phosphateATP:1-phosphatidyl-1D-myo-inositol 3-phosphotransferase
R03363 1-Phosphatidyl-1D-myo-inositol 3-phosphate + H2O <=> 1-Phosphatidyl-D-myo-inositol + Orthophosphate1-Phosphatidyl-1D-myo-inositol 3-phosphate 3-phosphohydrolase
R05916 UDP-N-acetyl-D-glucosamine + 1-Phosphatidyl-D-myo-inositol <=> UDP + G00143UDP-N-acetyl-D-glucosamine + 1-Phosphatidyl-D-myo-inositol <=> UDP + G00143
R09034 Acyl-CoA + 1-Acylglycerophosphoinositol <=> CoA + 1-Phosphatidyl-D-myo-inositolacyl-CoA:1-acyl-sn-glycero-3-phosphoinositol O-acyltransferase
R10951 ATP + 1-Phosphatidyl-D-myo-inositol <=> ADP + 1-Phosphatidyl-1D-myo-inositol 5-phosphateATP:1-phosphatidyl-1D-myo-inositol 5-phosphotransferase
R11680 1-Phosphatidyl-1D-myo-inositol 4-phosphate + H2O <=> 1-Phosphatidyl-D-myo-inositol + Orthophosphate1-Phosphatidyl-1D-myo-inositol 4-phosphate + H2O <=> 1-Phosphatidyl-D-myo-inositol + Orthophosphate

Table of KEGG human pathways containing PI 13:0/18:4(6Z,9Z,12Z,15Z)

Pathway IDHuman Pathway# of reactions
hsa04070 Phosphatidylinositol signaling system 7
hsa00562 Inositol phosphate metabolism 5
hsa00564 Glycerophospholipid metabolism 2
hsa00563 Glycosylphosphatidylinositol (GPI)-anchor biosynthesis 1
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