RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0045605
RefMet nameGalCer 22:1;O2/20:0
Alternative nameGalCer(d22:1/20:0)
Systematic nameN-(eicosanoyl)-1-beta-galactosyl-4E-docosasphingenine
SynonymsPubChem Synonyms
Sum CompositionGalCer 42:1;O2 View other entries in RefMet with this sum composition
Exact mass811.690119 (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
FormulaC48H93NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile89022 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C48H93NO8/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-42(51)41(40-56-48-47(55)46(54)45(53)43(39-50)57-48)49-44(5
2)38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h35,37,41-43,45-48,50-51,53-55H,3-34,36,38-40H2,1-2H3,(H,49,52)/b37-35+/t41
-,42+,43+,45-,46-,47+,48+/m0/s1
InChIKeyUELCWMCLFHCBNN-HIIAJUEOSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCC/C=C/[C@H]([C@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)NC(=O)CCCCCCCCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 22:1;O2/20:0 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 GalCer 22:1;O2/20:0
External Links
Pubchem CID145716075
LIPID MAPSLMSP05019GEA
KEGG IDC02686
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 GalCer 22:1;O2/20:0

Rxn IDKEGG ReactionEnzyme
R01500 UDP-alpha-D-galactose + N-Acylsphingosine <=> UDP + GalactosylceramideUDP-alpha-D-galactose:N-acylsphingosine D-galactosyltransferase
R03617 Galactosylceramide + H2O <=> D-Galactose + N-AcylsphingosineD-galactosyl-N-acylsphingosine galactohydrolase
R04017 3'-Phosphoadenylyl sulfate + Galactosylceramide <=> Adenosine 3',5'-bisphosphate + Sulfatide3'-Phosphoadenylylsulfate:galactosylceramide 3'-sulfotransferase
R04018 Galactosylceramide + N-Acetylneuraminate <=> GM4 + H2OAcylneuraminyl hydrolase
R04019 Digalactosylceramide + H2O <=> Galactosylceramide + D-GalactoseDigalactosylceramide galactohydrolase
R04856 Sulfatide + H2O <=> Galactosylceramide + SulfateSulfatide sulfohydrolase

Table of KEGG human pathways containing GalCer 22:1;O2/20:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
  logo