RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0172896
RefMet namePI 16:1(9Z)/22:2(13Z,16Z)
Systematic name1-(9Z-hexadecenoyl)-2-(13Z,16Z-docosadienoyl)-sn-glycero-3-phosphoinositol
SynonymsPubChem Synonyms
Sum CompositionPI 16:23 View other entries in RefMet with this sum composition
Exact mass888.572783 (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
FormulaC47H85O13PView other entries in RefMet with this formula
Molecular descriptors
Molfile19007 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C47H85O13P/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-24-26-28-30-32-34-36-41(49)59-39(38-58-61(55,56)60-47-45(53)43(51)42(50)
44(52)46(47)54)37-57-40(48)35-33-31-29-27-25-23-16-14-12-10-8-6-4-2/h11,13-14,16-18,39,42-47,50-54H,3-10,12,15,19-38H2,1-2H3,(H,55
,56)/b13-11-,16-14-,18-17-/t39-,42-,43-,44+,45-,46-,47-/m1/s1
InChIKeyPZRHVMVZJBHIOK-CUHDPNOXSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCC/C=CC/C=CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=CCCCCCC)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 16:1(9Z)/22:2(13Z,16Z) 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 16:1(9Z)/22:2(13Z,16Z)
External Links
Pubchem CID52927645
LIPID MAPSLMGP06010192
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 16:1(9Z)/22:2(13Z,16Z)

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 16:1(9Z)/22:2(13Z,16Z)

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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