RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0120852
RefMet nameSM 48:0;O2
Alternative nameSM(d48:0)
Sum CompositionSM 48:0;O2 View other entries in RefMet with this sum composition
Exact mass900.802326 (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
FormulaC53H109N2O6PView other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassPhosphosphingolipids
Sub ClassSM (Sphingomyelins)
Distribution of SM 48:0;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 48:0;O2
External Links
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 14:0;O2/34:0SM 14:0;O2/34:0N-(tetratriacontanoyl)-tetradecasphinganine-1-phosphocholine
SM 15:0;O2/33:0SM 15:0;O2/33:0N-(tritriacontanoyl)-pentadecasphinganine-1-phosphocholine
SM 16:0;O2/32:0SM 16:0;O2/32:0N-(dotriacontanoyl)-hexadecasphinganine-1-phosphocholine
SM 17:0;O2/31:0SM 17:0;O2/31:0N-(hentriacontanoyl)-heptadecasphinganine-1-phosphocholine
SM 18:0;O2/30:0SM 18:0;O2/30:0N-(triacontanoyl)-sphinganine-1-phosphocholine
SM 19:0;O2/29:0SM 19:0;O2/29:0N-(nonacosanoyl)-nonadecasphinganine-1-phosphocholine
SM 20:0;O2/28:0SM 20:0;O2/28:0N-(octacosanoyl)-eicosasphinganine-1-phosphocholine
SM 21:0;O2/27:0SM 21:0;O2/27:0N-(heptacosanoyl)-heneicosasphinganine-1-phosphocholine
SM 22:0;O2/26:0SM 22:0;O2/26:0N-(hexacosanoyl)-docosasphinganine-1-phosphocholine

Table of KEGG reactions in human pathways involving SM 48:0;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 48:0;O2

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