RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0134150
RefMet nameSM 32:1;O2
Alternative nameSM(d32:1)
Sum CompositionSM 32:1;O2 View other entries in RefMet with this sum composition
Exact mass674.536276 (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
FormulaC37H75N2O6PView other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassPhosphosphingolipids
Sub ClassSM (Sphingomyelins)
Distribution of SM 32:1;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 SM 32:1;O2
External Links
ChEBI ID190214
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 18:1;O2/14:0108SM 18:1;O2/14:0N-(tetradecanoyl)-sphing-4-enine-1-phosphocholine
SM 16:1;O2/16:016SM 16:1;O2/16:0N-(hexadecanoyl)-hexadecasphing-4-enine-1-phosphocholine
SM 14:1;O2/18:02SM 14:1;O2/18:0N-(octadecanoyl)-4E-tetradecasphingenine-1-phosphocholine
SM 19:1;O2/13:01SM 19:1;O2/13:0N-(tridecanoyl)-4E-nonadecasphingenine-1-phosphocholine
SM 20:1;O2/12:01SM 20:1;O2/12:0N-(dodecanoyl)-4E-eicosasphingenine-1-phosphocholine
SM 15:1;O2/17:0SM 15:1;O2/17:0N-(heptadecanoyl)-4E-pentadecasphingenine-1-phosphocholine
SM 17:1;O2/15:0SM 17:1;O2/15:0N-(pentadecanoyl)-4E-heptadecasphingenine-1-phosphocholine
SM 21:1;O2/11:0SM 21:1;O2/11:0N-(undecanoyl)-4E-heneicosasphingenine-1-phosphocholine
SM 22:1;O2/10:0SM 22:1;O2/10:0N-(decanoyl)-4E-docosasphingenine-1-phosphocholine

Table of KEGG reactions in human pathways involving SM 32:1;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 32:1;O2

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