RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0057194
RefMet namePI 38:5
Alternative namePI(38:5)
Sum CompositionPI 38:5 View other entries in RefMet with this sum composition
Exact mass884.541483 (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
FormulaC47H81O13PView other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassGlycerophospholipids
Main ClassGlycerophosphoinositols
Sub ClassPI (Phosphatidylinositols)
Distribution of PI 38:5 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 38:5
External Links
ChEBI ID138566
KEGG IDC01194
Structural annotation level
Annotation level4   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)
Abbrev# of StudiesRefmet name(exact structures)Systematic name
PI 16:1_22:41PI 16:1(9Z)/22:4(7Z,10Z,13Z,16Z)1-(9Z-hexadecenoyl)-2-(7Z,10Z,13Z,16Z-docosatetraenoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:4_20:11PI 20:1(11Z)/18:4(6Z,9Z,12Z,15Z)1-(11Z-eicosenoyl)-2-(6Z,9Z,12Z,15Z-octadecatetraenoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:2_20:31PI 20:3(8Z,11Z,14Z)/18:2(9Z,12Z)1-(8Z,11Z,14Z-eicosatrienoyl)-2-(9Z,12Z-octadecadienoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:0_20:51-octadecanoyl-2-(5Z,8Z,11Z,14Z,17Z-eicosapentaenoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:1_20:4PI 18:1(9Z)/20:4(5Z,8Z,11Z,14Z)1-(9Z-octadecenoyl)-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:2_20:31-(9Z,12Z-octadecadienoyl)-2-(8Z,11Z,14Z-eicosatrienoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:3_20:21-(6Z,9Z,12Z-octadecatrienoyl)-2-(11Z,14Z-eicosadienoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:3_20:21-(9Z,12Z,15Z-octadecatrienoyl)-2-(11Z,14Z-eicosadienoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:4_20:11-(6Z,9Z,12Z,15Z-octadecatetraenoyl)-2-(11Z-eicosenoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:3_20:21-(11Z,14Z-eicosadienoyl)-2-(6Z,9Z,12Z-octadecatrienoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:3_20:21-(11Z,14Z-eicosadienoyl)-2-(9Z,12Z,15Z-octadecatrienoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:1_20:41-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-2-(9Z-octadecenoyl)-glycero-3-phospho-(1'-myo-inositol)
PI 18:0_20:51-(5Z,8Z,11Z,14Z,17Z-eicosapentaenoyl)-2-octadecanoyl-glycero-3-phospho-(1'-myo-inositol)
PI 16:1_22:41-(7Z,10Z,13Z,16Z-docosatetraenoyl)-2-(9Z-hexadecenoyl)-glycero-3-phospho-(1'-myo-inositol)

Table of KEGG reactions in human pathways involving PI 38:5

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 38:5

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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