RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0036387
RefMet nameGalCer 22:0;O3/23:0
Alternative nameGalCer(t22:0/23:0)
Systematic nameN-(tricosanoyl)-1-beta-galactosyl-4R-hydroxydocosasphinganine
SynonymsPubChem Synonyms
Sum CompositionGalCer 45:0;O3 View other entries in RefMet with this sum composition
Exact mass871.747634 (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
FormulaC51H101NO9View other entries in RefMet with this formula
Molecular descriptors
Molfile89295 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C51H101NO9/c1-3-5-7-9-11-13-15-17-19-21-22-23-24-26-28-30-32-34-36-38-40-46(55)52-43(42-60-51-50(59)49(58)48(57)45(41-53)
61-51)47(56)44(54)39-37-35-33-31-29-27-25-20-18-16-14-12-10-8-6-4-2/h43-45,47-51,53-54,56-59H,3-42H2,1-2H3,(H,52,55)/t43-,44+,45+,
47-,48-,49-,50+,51+/m0/s1
InChIKeyDNUCVHVXLGMMEG-WENBKPOMSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H]([C@@H](CCCCCCCCCCCCCCCCCC)O)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 22:0;O3/23:0 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 22:0;O3/23:0
External Links
Pubchem CID145716348
LIPID MAPSLMSP05019GCO
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 22:0;O3/23:0

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 22:0;O3/23:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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