RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0045404
RefMet nameGalCer 48:0;O2;O
Alternative nameGalCer(d48:0(OH))
Sum CompositionGalCer 48:0;O3 View other entries in RefMet with this sum composition
Exact mass913.794584 (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
FormulaC54H107NO9View other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 48:0;O2;O 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 48:0;O2;O
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;O3/34:0GalCer 14:0;O3/34:0N-(tetratriacontanoyl)-1-beta-galactosyl-4R-hydroxytetradecasphinganine
GalCer 15:0;O3/33:0GalCer 15:0;O3/33:0N-(tritriacontanoyl)-1-beta-galactosyl-4R-hydroxypentadecasphinganine
GalCer 16:0;O3/32:0GalCer 16:0;O3/32:0N-(dotriacontanoyl)-1-beta-galactosyl-4R-hydroxyhexadecasphinganine
GalCer 17:0;O3/31:0GalCer 17:0;O3/31:0N-(hentriacontanoyl)-1-beta-galactosyl-4R-hydroxyheptadecasphinganine
GalCer 18:0;O3/30:0GalCer 18:0;O3/30:0N-(triacontanoyl)-1-beta-galactosyl-4R-hydroxysphinganine
GalCer 19:0;O3/29:0GalCer 19:0;O3/29:0N-(nonacosanoyl)-1-beta-galactosyl-4R-hydroxynonadecasphinganine
GalCer 20:0;O3/28:0GalCer 20:0;O3/28:0N-(octacosanoyl)-1-beta-galactosyl-4R-hydroxyeicosasphinganine
GalCer 21:0;O3/27:0GalCer 21:0;O3/27:0N-(heptacosanoyl)-1-beta-galactosyl-4R-hydroxyheneicosasphinganine
GalCer 22:0;O3/26:0GalCer 22:0;O3/26:0N-(hexacosanoyl)-1-beta-galactosyl-4R-hydroxydocosasphinganine

Table of KEGG reactions in human pathways involving GalCer 48:0;O2;O

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 48:0;O2;O

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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