RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0039558
RefMet nameGalCer 21:0;O2/11:0
Alternative nameGalCer(d21:0/11:0)
Systematic nameN-(undecanoyl)-1-beta-galactosyl-heneicosasphinganine
SynonymsPubChem Synonyms
Sum CompositionGalCer 32:0;O2 View other entries in RefMet with this sum composition
Exact mass673.549269 (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
FormulaC38H75NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile88923 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C38H75NO8/c1-3-5-7-9-11-13-14-15-16-17-18-19-20-21-23-25-27-32(41)31(39-34(42)28-26-24-22-12-10-8-6-4-2)30-46-38-37(45)36
(44)35(43)33(29-40)47-38/h31-33,35-38,40-41,43-45H,3-30H2,1-2H3,(H,39,42)/t31-,32+,33+,35-,36-,37+,38+/m0/s1
InChIKeyPMDTWXPTZPEPAE-KRWABTKZSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCC[C@H]([C@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)NC(=O)CCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 21:0;O2/11:0 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 21:0;O2/11:0
External Links
Pubchem CID145715976
LIPID MAPSLMSP05019FW7
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 21:0;O2/11:0

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 21:0;O2/11:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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