RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0047439
RefMet nameGalCer 15:0;O3/20:0
Alternative nameGalCer(t15:0/20:0)
Systematic nameN-(eicosanoyl)-1-beta-galactosyl-4R-hydroxypentadecasphinganine
SynonymsPubChem Synonyms
Sum CompositionGalCer 35:0;O3 View other entries in RefMet with this sum composition
Exact mass731.591134 (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
FormulaC41H81NO9View other entries in RefMet with this formula
Molecular descriptors
Molfile89082 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C41H81NO9/c1-3-5-7-9-11-13-14-15-16-17-18-19-20-22-24-26-28-30-36(45)42-33(32-50-41-40(49)39(48)38(47)35(31-43)51-41)37(4
6)34(44)29-27-25-23-21-12-10-8-6-4-2/h33-35,37-41,43-44,46-49H,3-32H2,1-2H3,(H,42,45)/t33-,34+,35+,37-,38-,39-,40+,41+/m0/s1
InChIKeyAQUWQHFAJMWPDX-BNCULXJYSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H]([C@@H](CCCCCCCCCCC)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 15:0;O3/20:0 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 15:0;O3/20:0
External Links
Pubchem CID145716135
LIPID MAPSLMSP05019DWD
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 15:0;O3/20:0

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 15:0;O3/20:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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