RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0039163
RefMet nameCer 17:0;O3/17:0
Alternative nameCer(t17:0/17:0)
Systematic nameN-(heptadecanoyl)-4R-hydroxyheptadecasphinganine
SynonymsPubChem Synonyms
Sum CompositionCer 34:0;O3 View other entries in RefMet with this sum composition
Exact mass555.522659 (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
FormulaC34H69NO4View other entries in RefMet with this formula
Molecular descriptors
Molfile87824 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C34H69NO4/c1-3-5-7-9-11-13-15-16-17-19-21-23-25-27-29-33(38)35-31(30-36)34(39)32(37)28-26-24-22-20-18-14-12-10-8-6-4-2/h3
1-32,34,36-37,39H,3-30H2,1-2H3,(H,35,38)/t31-,32+,34-/m0/s1
InChIKeyNIDXINMPXWJQOC-MVIDNBQJSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H]([C@@H](CCCCCCCCCCCCC)O)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassCeramides
Sub ClassPhytoCer (Phytoceramides)
Distribution of Cer 17:0;O3/17:0 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 Cer 17:0;O3/17:0
External Links
Pubchem CID145714995
LIPID MAPSLMSP02039AJH
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 17:0;O3/17:0

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 17:0;O3/17:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 4
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