RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0048225
RefMet nameGalCer 22:1;O2/25:0
Alternative nameGalCer(d22:1/25:0)
Systematic nameN-(pentacosanoyl)-1-beta-galactosyl-4E-docosasphingenine
SynonymsPubChem Synonyms
Sum CompositionGalCer 47:1;O2 View other entries in RefMet with this sum composition
Exact mass881.768369 (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
FormulaC53H103NO8View other entries in RefMet with this formula
Molecular descriptors
Molfile89027 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C53H103NO8/c1-3-5-7-9-11-13-15-17-19-21-22-23-24-25-27-29-31-33-35-37-39-41-43-49(57)54-46(45-61-53-52(60)51(59)50(58)48(
44-55)62-53)47(56)42-40-38-36-34-32-30-28-26-20-18-16-14-12-10-8-6-4-2/h40,42,46-48,50-53,55-56,58-60H,3-39,41,43-45H2,1-2H3,(H,54
,57)/b42-40+/t46-,47+,48+,50-,51-,52+,53+/m0/s1
InChIKeyJIHWEWRJZVKDGX-MUJGQCAUSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H](/C=C/CCCCCCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHexCer (Hexosyl ceramides)
Distribution of GalCer 22:1;O2/25:0 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 22:1;O2/25:0
External Links
Pubchem CID145716080
LIPID MAPSLMSP05019GE3
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 22:1;O2/25:0

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 22:1;O2/25:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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