RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0120313
RefMet nameCer 46:1;O2
Alternative nameCer(d46:1)
Sum CompositionCer 46:1;O2 View other entries in RefMet with this sum composition
Exact mass705.699894 (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
FormulaC46H91NO3View other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassCeramides
Sub ClassCer (Ceramides)
Distribution of Cer 46:1;O2 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 46:1;O2
External Links
KEGG IDC00422
Structural annotation level
Annotation level4   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)
Abbrev# of StudiesRefmet name(exact structures)Systematic name
Cer 20:1;O2/26:017Cer 20:1;O2/26:0N-(hexacosanoyl)-4E-eicosasphingenine
Cer 18:1;O2/28:04Cer 18:1;O2/28:0N-(octacosanoyl)-4E-sphingenine
Cer 22:1;O2/24:01Cer 22:1;O2/24:0N-(tetracosanoyl)-4E-docosasphingenine
Cer 14:1;O2/32:0Cer 14:1;O2/32:0N-(dotriacontanoyl)-4E-tetradecasphingenine
Cer 15:1;O2/31:0Cer 15:1;O2/31:0N-(hentriacontanoyl)-4E-pentadecasphingenine
Cer 16:1;O2/30:0Cer 16:1;O2/30:0N-(triacontanoyl)-4E-hexadecasphingenine
Cer 17:1;O2/29:0Cer 17:1;O2/29:0N-(nonacosanoyl)-4E-heptadecasphingenine
Cer 19:1;O2/27:0Cer 19:1;O2/27:0N-(heptacosanoyl)-4E-nonadecasphingenine
Cer 21:1;O2/25:0Cer 21:1;O2/25:0N-(pentacosanoyl)-4E-heneicosasphingenine

Table of KEGG reactions in human pathways involving Cer 46:1;O2

Rxn IDKEGG ReactionEnzyme
R01350 Glycerol + Fatty acid <=> TriacylglycerolGlycerol acylhydrolase
R02250 Triacylglycerol + H2O <=> 1,2-Diacyl-sn-glycerol + Fatty acidtriacylglycerol acylhydrolase
R02251 Triacylglycerol + CoA <=> 1,2-Diacyl-sn-glycerol + Acyl-CoAacyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
R05333 Phospholipid + 1,2-Diacyl-sn-glycerol <=> Lysophospholipid + TriacylglycerolPhospholipid:1,2-diacyl-sn-glycerol O-acyltransferase

Table of KEGG human pathways containing Cer 46:1;O2

Pathway IDHuman Pathway# of reactions
hsa00561 Glycerolipid metabolism 3
hsa01100 Metabolic pathways 1
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