RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0044825
RefMet nameGalCer 16:0;O2/27:0
Alternative nameGalCer(d16:0/27:0)
Systematic nameN-(heptacosanoyl)-1-beta-galactosyl-hexadecasphinganine
SynonymsPubChem Synonyms
Sum CompositionGalCer 43:0;O2 View other entries in RefMet with this sum composition
Exact mass827.721419 (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
FormulaC49H97NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile88653 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C49H97NO8/c1-3-5-7-9-11-13-15-16-17-18-19-20-21-22-23-24-25-26-27-29-31-33-35-37-39-45(53)50-42(41-57-49-48(56)47(55)46(5
4)44(40-51)58-49)43(52)38-36-34-32-30-28-14-12-10-8-6-4-2/h42-44,46-49,51-52,54-56H,3-41H2,1-2H3,(H,50,53)/t42-,43+,44+,46-,47-,48
+,49+/m0/s1
InChIKeyRJBHXEYITUAPIU-SKAKJBCUSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H](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 16:0;O2/27:0 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 16:0;O2/27:0
External Links
Pubchem CID145715707
LIPID MAPSLMSP05019D8V
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 16:0;O2/27:0

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 16:0;O2/27:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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