RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0044567
RefMet nameGalCer 26:0;O3
Alternative nameGalCer(t26:0)
Sum CompositionGalCer 26:0;O3 View other entries in RefMet with this sum composition
Exact mass605.450284 (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
FormulaC32H63NO9View other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 26:0;O3 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 26:0;O3
External Links
KEGG IDC02686
Structural annotation level
Annotation level4   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)
Abbrev# of StudiesRefmet name(exact structures)Systematic name
GalCer 14:0;O3/12:0GalCer 14:0;O3/12:0N-(dodecanoyl)-1-beta-galactosyl-4R-hydroxytetradecasphinganine
GalCer 15:0;O3/11:0GalCer 15:0;O3/11:0N-(undecanoyl)-1-beta-galactosyl-4R-hydroxypentadecasphinganine
GalCer 16:0;O3/10:0GalCer 16:0;O3/10:0N-(decanoyl)-1-beta-galactosyl-4R-hydroxyhexadecasphinganine

Table of KEGG reactions in human pathways involving GalCer 26:0;O3

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 26:0;O3

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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