RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0138883
RefMet nameGalCer 18:1;O2/26:0
Alternative nameGalCer(d18:1/26:0)
Systematic nameGalbeta-Cer(d18:1/26:0)
SynonymsPubChem Synonyms
Sum CompositionGalCer 44:1;O2 View other entries in RefMet with this sum composition
Exact mass839.721419 (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
FormulaC50H97NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile31163 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C50H97NO8/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-28-30-32-34-36-38-40-46(54)51-43(42-58-50-49(57)48(56)47(55)4
5(41-52)59-50)44(53)39-37-35-33-31-29-27-16-14-12-10-8-6-4-2/h37,39,43-45,47-50,52-53,55-57H,3-36,38,40-42H2,1-2H3,(H,51,54)/b39-3
7+/t43-,44+,45?,47-,48-,49?,50+/m0/s1
InChIKeyDOIOUJPHIXRQFM-JHCBZXGBSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C([C@H]([C@H](C(CO)O1)O)O)O)[C@@H](/C=C/CCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 18:1;O2/26:0 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 18:1;O2/26:0
External Links
Pubchem CID44260153
LIPID MAPSLMSP0501AC06
ChEBI ID84749
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 18:1;O2/26:0

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 18:1;O2/26:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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