RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0060144
RefMet nameSM 43:2;O2
Alternative nameSM(d43:2)
Sum CompositionSM 43:2;O2 View other entries in RefMet with this sum composition
Exact mass826.692776 (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
FormulaC48H95N2O6PView other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassPhosphosphingolipids
Sub ClassSM (Sphingomyelins)
Distribution of SM 43:2;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 SM 43:2;O2
External Links
ChEBI ID190237
KEGG IDC00550
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
SM 18:2;O2/25:09SM 18:2;O2/25:0N-(pentacosanoyl)-4E,14Z-sphingadienine-1-phosphocholine
SM 17:1;O2/26:1N-(17Z-hexacosenoyl)-heptadecasphing-4-enine-1-phosphocholine
SM 19:1;O2/24:1N-(15Z-tetracosenoyl)-nonadecasphing-4-enine-1-phosphocholine

Table of KEGG reactions in human pathways involving SM 43:2;O2

Rxn IDKEGG ReactionEnzyme
R01891 CDP-choline + N-Acylsphingosine <=> CMP + SphingomyelinCDP-choline:N-acylsphingosine cholinephosphotransferase
R02541 Sphingomyelin + H2O <=> N-Acylsphingosine + Choline phosphateSphingomyelin cholinephosphohydrolase
R08969 N-Acylsphingosine + Phosphatidylcholine <=> Sphingomyelin + 1,2-Diacyl-sn-glycerolceramide:phosphatidylcholine cholinephosphotransferase

Table of KEGG human pathways containing SM 43:2;O2

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 2
hsa01100 Metabolic pathways 1
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