RefMet Compound Details

MW structure	93589 (View MW Metabolite Database details)
RefMet name	SM 21:1;O2/18:0
Alternative name	SM(d21:1/18:0)
Systematic name	N-(octadecanoyl)-4E-heneicosasphingenine-1-phosphocholine
SMILES	CCCCCCCCCCCCCCCC/C=C/[C@H]([C@H](COP(=O)([O-])OCC[N+](C)(C)C)NC(=O)CCCCCCCCCCCCCCCCC)O   Run Tanimoto similarity search (with similarity coefficient >=0.6)
Sum Composition	SM 39:1;O2	View other entries in RefMet with this sum composition
Exact mass	772.645826 (neutral)	Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M+2K-H]+ [M+Na]+ [M+2Na]2+ [M+2Na-H]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M.CH3]+ [M+Ag]+ [M+H+CH3OH]+ [M+H+CH3CN]+ [M+H+2CH3CN]+ [M+Na+CH3CN]+ [M.NaFormate+H]+ [M.NH4Formate+H]+ [M.TMSi]+ [M.tBuDMSi]+ [M+H-Hexose]+ [M+H-EtnP]+ [M+H-SerP]+ [M-H]- [M-H-H2O]- [M-CH3]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+Na-2H]- [M+K-2H]- [M.Formate]- [M.NaFormate-H]- [M.NH4Formate-H]- [M.F]- [M-H-Ser]- [M.HF2]- M(neutral)    View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
Formula	C44H89N2O6P	View other entries in RefMet with this formula
InChI	InChI=1S/C44H89N2O6P/c1-6-8-10-12-14-16-18-20-22-24-25-27-29-31-33-35-37-43(47)42(41-52-53(49,50)51-40-39-46(3,4)5)45-44(48)38-36- 34-32-30-28-26-23-21-19-17-15-13-11-9-7-2/h35,37,42-43,47H,6-34,36,38-41H2,1-5H3,(H-,45,48,49,50)/b37-35+/t42-,43+/m0/s1
InChIKey	OLYLELWRGIGSML-QVDCKBILSA-N	View other enantiomers/diastereomers of this metabolite in RefMet
Super Class	Sphingolipids
Main Class	Phosphosphingolipids
Sub Class	SM (Sphingomyelins)
Pubchem CID	134755613
Annotation level	1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving SM 21:1;O2/18:0

Rxn ID	KEGG Reaction	Enzyme
R08969	N-Acylsphingosine + Phosphatidylcholine <=> Sphingomyelin + 1,2-Diacyl-sn-glycerol	ceramide:phosphatidylcholine cholinephosphotransferase
R01891	CDP-choline + N-Acylsphingosine <=> CMP + Sphingomyelin	CDP-choline:N-acylsphingosine cholinephosphotransferase
R02541	Sphingomyelin + H2O <=> N-Acylsphingosine + Choline phosphate	Sphingomyelin cholinephosphohydrolase

Table of KEGG human pathways containing SM 21:1;O2/18:0

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