RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0044987
RefMet nameGalCer 21:1;O2/38:0
Alternative nameGalCer(d21:1/38:0)
Systematic nameN-(octatriacontanoyl)-1-beta-galactosyl-4E-heneicosasphingenine
SynonymsPubChem Synonyms
Sum CompositionGalCer 59:1;O2 View other entries in RefMet with this sum composition
Exact mass1049.956169 (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
FormulaC65H127NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile88980 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C65H127NO8/c1-3-5-7-9-11-13-15-17-19-21-22-23-24-25-26-27-28-29-30-31-32-33-34-35-36-37-38-39-41-43-45-47-49-51-53-55-61(
69)66-58(57-73-65-64(72)63(71)62(70)60(56-67)74-65)59(68)54-52-50-48-46-44-42-40-20-18-16-14-12-10-8-6-4-2/h52,54,58-60,62-65,67-6
8,70-72H,3-51,53,55-57H2,1-2H3,(H,66,69)/b54-52+/t58-,59+,60+,62-,63-,64+,65+/m0/s1
InChIKeyZSVAQLMOVWFUQE-AKRQJYKPSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H](/C=C/CCCCCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 21:1;O2/38:0 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 21:1;O2/38:0
External Links
Pubchem CID145716033
LIPID MAPSLMSP05019F31
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 21:1;O2/38:0

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 21:1;O2/38:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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