RefMet Compound Details

MW structure87431 (View MW Metabolite Database details)
RefMet nameCer 17:1;O2/16:0
Alternative nameCer(d17:1/16:0)
Systematic nameN-(hexadecanoyl)-4E-heptadecasphingenine
SMILESCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H](/C=C/CCCCCCCCCCCC)O   Run Tanimoto similarity search (with similarity coefficient >=0.6)
Sum CompositionCer 33:1;O2 View other entries in RefMet with this sum composition
Exact mass523.496444 (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
FormulaC33H65NO3View other entries in RefMet with this formula
InChIInChI=1S/C33H65NO3/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-33(37)34-31(30-35)32(36)28-26-24-22-20-18-16-14-12-10-8-6-4-2/h26,28,3
1-32,35-36H,3-25,27,29-30H2,1-2H3,(H,34,37)/b28-26+/t31-,32+/m0/s1
InChIKeyKXVLPPCAUYSNGY-STSAHMJASA-NView other enantiomers/diastereomers of this metabolite in RefMet
Super ClassSphingolipids
Main ClassCeramides
Sub ClassCer (Ceramides)
Pubchem CID10256256
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving Cer 17:1;O2/16:0

Rxn IDKEGG ReactionEnzyme
R08969 N-Acylsphingosine + Phosphatidylcholine <=> Sphingomyelin + 1,2-Diacyl-sn-glycerolceramide:phosphatidylcholine cholinephosphotransferase
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
R06522 Ceramide 1-phosphate + H2O <=> N-Acylsphingosine + Orthophosphate3-sn-phosphatidate phosphohydrolase
R01495 ATP + N-Acylsphingosine <=> ADP + Ceramide 1-phosphateATP:ceramide 1-phosphotransferase
R06519 Dihydroceramide + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> N-Acylsphingosine + 2 Ferricytochrome b5 + 2 H2Odihydroceramide,ferrocytochrome b5:oxygen oxidoreductase (4,5-dehydrogenating)
R01891 CDP-choline + N-Acylsphingosine <=> CMP + SphingomyelinCDP-choline:N-acylsphingosine cholinephosphotransferase
R01497 UDP-glucose + N-Acylsphingosine <=> UDP + GlucosylceramideUDP-glucose:N-acylsphingosine D-glucosyltransferase
R01494 N-Acylsphingosine + H2O <=> Fatty acid + SphingosineN-Acylsphingosine amidohydrolase
R01496 Acyl-CoA + Sphingosine <=> CoA + N-Acylsphingosineacyl-CoA:sphingosine N-acyltransferase
R01498 Glucosylceramide + H2O <=> D-Glucose + N-AcylsphingosineD-Glucosyl-N-acylsphingosine glucohydrolase
R02541 Sphingomyelin + H2O <=> N-Acylsphingosine + Choline phosphateSphingomyelin cholinephosphohydrolase

Table of KEGG human pathways containing Cer 17:1;O2/16:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 11
hsa01100 Metabolic pathways 1
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