RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0039225
RefMet nameLacCer 18:1;O2/28:0
Alternative nameLacCer(d18:1/28:0)
Systematic nameN-(octacosanoyl)-1-beta-lactosyl-4E-sphingenine
SynonymsPubChem Synonyms
Sum CompositionLacCer 46:1;O2 View other entries in RefMet with this sum composition
Exact mass1029.805544 (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
FormulaC58H111NO13View other entries in RefMet with this formula
Molecular descriptors
Molfile90364 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C58H111NO13/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-27-28-30-32-34-36-38-40-42-50(63)59-46(47(62)41-39-37-35-33
-31-29-16-14-12-10-8-6-4-2)45-69-57-55(68)53(66)56(49(44-61)71-57)72-58-54(67)52(65)51(64)48(43-60)70-58/h39,41,46-49,51-58,60-62,
64-68H,3-38,40,42-45H2,1-2H3,(H,59,63)/b41-39+/t46-,47+,48+,49+,51-,52-,53+,54+,55+,56+,57+,58-/m0/s1
InChIKeyYGCFOTNEKWOJIQ-QFBJBAABSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=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/CCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHex2Cer (Dihexosyl ceramides)
Distribution of LacCer 18:1;O2/28:0 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 LacCer 18:1;O2/28:0
External Links
Pubchem CID145717308
LIPID MAPSLMSP05019HWB
KEGG IDC01290
Structural annotation level
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving LacCer 18:1;O2/28:0

Rxn IDKEGG ReactionEnzyme
R03354 Glucosylceramide + UDP-alpha-D-galactose <=> Lactosylceramide + UDPUDP-alpha-D-galactose:beta-D-glucosyl-(1<->1)-ceramide 4-beta-D-galactosyltransferase
R03355 Lactosylceramide + H2O <=> Glucosylceramide + D-Galactosebeta-D-Galactosyl-1,4-beta-D-glucosylceramide galactohydrolase
R05937 CMP-N-acetylneuraminate + Lactosylceramide <=> CMP + GM3CMP-N-acetylneuraminate + Lactosylceramide <=> CMP + GM3
R05938 UDP-N-acetyl-D-galactosamine + Lactosylceramide <=> UDP + GA2UDP-N-acetyl-D-galactosamine + Lactosylceramide <=> UDP + GA2
R05971 UDP-N-acetyl-D-glucosamine + Lactosylceramide <=> UDP + Lc3CerUDP-N-acetyl-D-glucosamine + Lactosylceramide <=> UDP + Lc3Cer
R12960 3'-Phosphoadenylyl sulfate + Lactosylceramide <=> Adenosine 3',5'-bisphosphate + Lactosylceramide sulfate3'-phosphoadenylyl-sulfate:lactosylceramide 3'-sulfotransferase
R12961 Lactosylceramide sulfate + H2O <=> Lactosylceramide + Sulfatelactosylceramide-sulfate sulfohydrolase

Table of KEGG human pathways containing LacCer 18:1;O2/28:0

Pathway IDHuman 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
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