RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0013442
RefMet nameCer 20:0;O3/15:0
Alternative nameCer(t20:0/15:0)
Systematic nameN-(pentadecanoyl)-4R-hydroxyeicosasphinganine
SynonymsPubChem Synonyms
Sum CompositionCer 35:0;O3 View other entries in RefMet with this sum composition
Exact mass569.538309 (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
FormulaC35H71NO4View other entries in RefMet with this formula
Molecular descriptors
Molfile87906 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C35H71NO4/c1-3-5-7-9-11-13-15-17-18-19-21-23-25-27-29-33(38)35(40)32(31-37)36-34(39)30-28-26-24-22-20-16-14-12-10-8-6-4-2
/h32-33,35,37-38,40H,3-31H2,1-2H3,(H,36,39)/t32-,33+,35-/m0/s1
InChIKeyVIZNKZSNWGNXPM-UJNSZXMOSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCC[C@H]([C@H]([C@H](CO)NC(=O)CCCCCCCCCCCCCC)O)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassCeramides
Sub ClassPhytoCer (Phytoceramides)
Distribution of Cer 20:0;O3/15:0 in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
StudiesNMDR Studies reporting Cer 20:0;O3/15:0
External Links
Pubchem CID145715065
LIPID MAPSLMSP02039ARY
KEGG IDC12126
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 Cer 20:0;O3/15:0

Rxn IDKEGG ReactionEnzyme
R06517 Acyl-CoA + Sphinganine <=> CoA + Dihydroceramideacyl-CoA:sphingosine N-acyltransferase
R06518 Dihydroceramide + H2O <=> Fatty acid + SphinganineN-acylsphingosine amidohydrolase
R06519 Dihydroceramide + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> N-Acylsphingosine + 2 Ferricytochrome b5 + 2 H2Odihydroceramide,ferrocytochrome b5:oxygen oxidoreductase (4,5-dehydrogenating)
R06526 Dihydroceramide + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> Phytoceramide + 2 Ferricytochrome b5 + H2Odihydroceramide,ferrocytochrome b5:oxygen oxidoreductase (C4-hydroxylating)

Table of KEGG human pathways containing Cer 20:0;O3/15:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 4
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