RefMet Compound Details

RefMet ID	RM0138768
RefMet name	SM 18:1;O2/26:1
Alternative name	SM(d18:1/26:1)
Systematic name	N-(17Z-hexacosenoyl)-sphing-4-enine-1-phosphocholine
SMILES	C[N+](C)(C)CCOP([O-])(=O)OC[C@@H](NC(=O)CCCCCCCCCCCCCCC/C=C\CCCCCCCC)[C@@H](O)/C=C/CCCCCCCCCCCCC   Run Tanimoto similarity search (with similarity coefficient >=0.6)
Sum Composition	SM 44:2;O2	View other entries in RefMet with this sum composition
Exact mass	840.708426 (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	C49H97N2O6P	View other entries in RefMet with this formula
Super Class	Sphingolipids
Main Class	Phosphosphingolipids
Sub Class	SM (Sphingomyelins)
ChEBI ID	84476
Annotation level	3   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving SM 18:1;O2/26:1

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

Table of KEGG human pathways containing SM 18:1;O2/26:1

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