RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0038758
RefMet name	LacCer 22:1;O2/33:0
Alternative name	LacCer(d22:1/33:0)
Systematic name	N-(tritriacontanoyl)-1-beta-lactosyl-4E-docosasphingenine
Synonyms	PubChem Synonyms
Sum Composition	LacCer 55:1;O2	View other entries in RefMet with this sum composition
Exact mass	1155.946394 (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	C67H129NO13	View other entries in RefMet with this formula
Molecular descriptors
Molfile	90609 (Download molfile/View MW Metabolite Database details)
InChI	InChI=1S/C67H129NO13/c1-3-5-7-9-11-13-15-17-19-21-22-23-24-25-26-27-28-29-30-31-32-33-35-37-39-41-43-45-47-49-51-59(72)68-55(56(71 )50-48-46-44-42-40-38-36-34-20-18-16-14-12-10-8-6-4-2)54-78-66-64(77)62(75)65(58(53-70)80-66)81-67-63(76)61(74)60(73)57(52-69)79-6 7/h48,50,55-58,60-67,69-71,73-77H,3-47,49,51-54H2,1-2H3,(H,68,72)/b50-48+/t55-,56+,57+,58+,60-,61-,62+,63+,64+,65+,66+,67-/m0/s1
InChIKey	PLZHKDOHPRDZKE-VPFJSIJASA-N	View other enantiomers/diastereomers of this metabolite in RefMet
SMILES	CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1C(C([C@@H]([C@@H](CO)O1)O[C@H]1C(C([C@H]([C@@H](CO)O1)O)O)O)O)O)[C@@H](/C=C/CCCCCCCCCCCCCCCCC)O Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super Class	Sphingolipids
Main Class	Glycosphingolipids
Sub Class	Hex2Cer (Dihexosyl ceramides)
Distribution of LacCer 22:1;O2/33:0 in NMDR studies
Species	Plot Species distribution
Sample source	Plot Sample source(tissue) distribution
Platform	Platform (MS/NMR) used for detection
Chromatography	Chromatography methods used for detection
Studies	NMDR Studies reporting LacCer 22:1;O2/33:0
External Links
Pubchem CID	145717553
LIPID MAPS	LMSP05019IZN
KEGG ID	C01290
Structural annotation level
Annotation level	1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving LacCer 22:1;O2/33:0

Rxn ID	KEGG Reaction	Enzyme
R03354	Glucosylceramide + UDP-alpha-D-galactose <=> Lactosylceramide + UDP	UDP-alpha-D-galactose:beta-D-glucosyl-(1<->1)-ceramide 4-beta-D-galactosyltransferase
R03355	Lactosylceramide + H2O <=> Glucosylceramide + D-Galactose	beta-D-Galactosyl-1,4-beta-D-glucosylceramide galactohydrolase
R05937	CMP-N-acetylneuraminate + Lactosylceramide <=> CMP + GM3	CMP-N-acetylneuraminate + Lactosylceramide <=> CMP + GM3
R05938	UDP-N-acetyl-D-galactosamine + Lactosylceramide <=> UDP + GA2	UDP-N-acetyl-D-galactosamine + Lactosylceramide <=> UDP + GA2
R05971	UDP-N-acetyl-D-glucosamine + Lactosylceramide <=> UDP + Lc3Cer	UDP-N-acetyl-D-glucosamine + Lactosylceramide <=> UDP + Lc3Cer
R12960	3'-Phosphoadenylyl sulfate + Lactosylceramide <=> Adenosine 3',5'-bisphosphate + Lactosylceramide sulfate	3'-phosphoadenylyl-sulfate:lactosylceramide 3'-sulfotransferase
R12961	Lactosylceramide sulfate + H2O <=> Lactosylceramide + Sulfate	lactosylceramide-sulfate sulfohydrolase

Table of KEGG human pathways containing LacCer 22:1;O2/33:0

Pathway ID	Human Pathway	# of reactions
hsa00600	Sphingolipid metabolism	4
hsa00604	Glycosphingolipid biosynthesis - ganglio series	2
hsa01100	Metabolic pathways	2
hsa00601	Glycosphingolipid biosynthesis - lacto and neolacto series	1