RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0160119
RefMet nameGalCer 18:1;O2/28:0
Alternative nameGalCer(d18:1/28:0)
Systematic nameN-(octacosanoyl)-1-beta-galactosyl-4E-sphingenine
SynonymsPubChem Synonyms
Sum CompositionGalCer 46:1;O2 View other entries in RefMet with this sum composition
Exact mass867.752719 (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
FormulaC52H101NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile88790 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C52H101NO8/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-27-28-30-32-34-36-38-40-42-48(56)53-45(44-60-52-51(59)50(58)
49(57)47(43-54)61-52)46(55)41-39-37-35-33-31-29-16-14-12-10-8-6-4-2/h39,41,45-47,49-52,54-55,57-59H,3-38,40,42-44H2,1-2H3,(H,53,56
)/b41-39+/t45-,46+,47+,49-,50-,51+,52+/m0/s1
InChIKeyGXFXXGUXPWPCLG-JYSGJSLESA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](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;O2/28:0 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;O2/28:0
External Links
Pubchem CID145715843
LIPID MAPSLMSP05019E2V
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;O2/28:0

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;O2/28:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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