RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0009967
RefMet nameGalCer 20:0;O3/34:0
Alternative nameGalCer(t20:0/34:0)
Systematic nameN-(tetratriacontanoyl)-1-beta-galactosyl-4R-hydroxyeicosasphinganine
SynonymsPubChem Synonyms
Sum CompositionGalCer 54:0;O3 View other entries in RefMet with this sum composition
Exact mass997.888484 (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
FormulaC60H119NO9View other entries in RefMet with this formula
Molecular descriptors
Molfile89246 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C60H119NO9/c1-3-5-7-9-11-13-15-17-19-20-21-22-23-24-25-26-27-28-29-30-31-32-33-34-35-37-39-41-43-45-47-49-55(64)61-52(51-
69-60-59(68)58(67)57(66)54(50-62)70-60)56(65)53(63)48-46-44-42-40-38-36-18-16-14-12-10-8-6-4-2/h52-54,56-60,62-63,65-68H,3-51H2,1-
2H3,(H,61,64)/t52-,53+,54+,56-,57-,58-,59+,60+/m0/s1
InChIKeyXCZVIQLUGNYCCV-COKPAYQBSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H]([C@@H](CCCCCCCCCCCCCCCC)O)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;O3/34:0 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;O3/34:0
External Links
Pubchem CID145716299
LIPID MAPSLMSP05019FP3
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;O3/34:0

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;O3/34:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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