RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0158618
RefMet nameGalCer 15:0;O3/16:0
Alternative nameGalCer(t15:0/16:0)
Systematic nameN-(hexadecanoyl)-1-beta-galactosyl-4R-hydroxypentadecasphinganine
SynonymsPubChem Synonyms
Sum CompositionGalCer 31:0;O3 View other entries in RefMet with this sum composition
Exact mass675.528534 (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
FormulaC37H73NO9View other entries in RefMet with this formula
Molecular descriptors
Molfile89078 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C37H73NO9/c1-3-5-7-9-11-13-14-15-16-18-20-22-24-26-32(41)38-29(28-46-37-36(45)35(44)34(43)31(27-39)47-37)33(42)30(40)25-2
3-21-19-17-12-10-8-6-4-2/h29-31,33-37,39-40,42-45H,3-28H2,1-2H3,(H,38,41)/t29-,30+,31+,33-,34-,35-,36+,37+/m0/s1
InChIKeyKCKIMZMMOGHWHV-JETZNKLUSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)[C@@H]([C@@H](CCCCCCCCCCC)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 15:0;O3/16:0 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 15:0;O3/16:0
External Links
Pubchem CID145716131
LIPID MAPSLMSP05019DVM
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 15:0;O3/16:0

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 15:0;O3/16:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 6
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