RefMet Compound Details

MW structure87674 (View MW Metabolite Database details)
RefMet nameCer 22:0;O2/17:0
Alternative nameCer(d22:0/17:0)
Systematic nameN-(heptadecanoyl)-docosasphinganine
SMILESCCCCCCCCCCCCCCCCCCC[C@H]([C@H](CO)NC(=O)CCCCCCCCCCCCCCCC)O   Run Tanimoto similarity search (with similarity coefficient >=0.6)
Sum CompositionCer 39:0;O2 View other entries in RefMet with this sum composition
Exact mass609.605994 (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
FormulaC39H79NO3View other entries in RefMet with this formula
InChIInChI=1S/C39H79NO3/c1-3-5-7-9-11-13-15-17-19-20-21-22-24-26-28-30-32-34-38(42)37(36-41)40-39(43)35-33-31-29-27-25-23-18-16-14-12-1
0-8-6-4-2/h37-38,41-42H,3-36H2,1-2H3,(H,40,43)/t37-,38+/m0/s1
InChIKeyRCMIRWXHYFNLKV-QPPIDDCLSA-NView other enantiomers/diastereomers of this metabolite in RefMet
Super ClassSphingolipids
Main ClassCeramides
Sub ClassDHCer (Dihydroceramides)
Pubchem CID134763214
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving Cer 22:0;O2/17:0

Rxn IDKEGG ReactionEnzyme
R06517 Acyl-CoA + Sphinganine <=> CoA + Dihydroceramideacyl-CoA:sphingosine N-acyltransferase
R06526 Dihydroceramide + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> Phytoceramide + 2 Ferricytochrome b5 + H2Odihydroceramide,ferrocytochrome b5:oxygen oxidoreductase (C4-hydroxylating)
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)

Table of KEGG human pathways containing Cer 22:0;O2/17:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 4
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