RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0066472
RefMet nameGalCer 20:0;O2/35:0
Alternative nameGalCer(d20:0/35:0)
Systematic nameN-(pentatriacontanoyl)-1-beta-galactosyl-eicosasphinganine
SynonymsPubChem Synonyms
Sum CompositionGalCer 55:0;O2 View other entries in RefMet with this sum composition
Exact mass995.909219 (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
FormulaC61H121NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile88887 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C61H121NO8/c1-3-5-7-9-11-13-15-17-19-20-21-22-23-24-25-26-27-28-29-30-31-32-33-34-35-37-39-41-43-45-47-49-51-57(65)62-54(
53-69-61-60(68)59(67)58(66)56(52-63)70-61)55(64)50-48-46-44-42-40-38-36-18-16-14-12-10-8-6-4-2/h54-56,58-61,63-64,66-68H,3-53H2,1-
2H3,(H,62,65)/t54-,55+,56+,58-,59-,60+,61+/m0/s1
InChIKeyKOXLJEMJBCVQCT-MOEONRNOSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H](CCCCCCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 20:0;O2/35:0 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 20:0;O2/35:0
External Links
Pubchem CID145715940
LIPID MAPSLMSP05019FNT
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 20:0;O2/35:0

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 20:0;O2/35:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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