RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0039157
RefMet nameLacCer 19:1;O2/34:0
Alternative nameLacCer(d19:1/34:0)
Systematic nameN-(tetratriacontanoyl)-1-beta-lactosyl-4E-nonadecasphingenine
SynonymsPubChem Synonyms
Sum CompositionLacCer 53:1;O2 View other entries in RefMet with this sum composition
Exact mass1127.915094 (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
FormulaC65H125NO13View other entries in RefMet with this formula
Molecular descriptors
Molfile90430 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C65H125NO13/c1-3-5-7-9-11-13-15-17-19-20-21-22-23-24-25-26-27-28-29-30-31-32-33-34-35-37-39-41-43-45-47-49-57(70)66-53(54
(69)48-46-44-42-40-38-36-18-16-14-12-10-8-6-4-2)52-76-64-62(75)60(73)63(56(51-68)78-64)79-65-61(74)59(72)58(71)55(50-67)77-65/h46,
48,53-56,58-65,67-69,71-75H,3-45,47,49-52H2,1-2H3,(H,66,70)/b48-46+/t53-,54+,55+,56+,58-,59-,60+,61+,62+,63+,64+,65-/m0/s1
InChIKeyYWORWNQEPYFDBI-KNRUFQOZSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=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/CCCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHex2Cer (Dihexosyl ceramides)
Distribution of LacCer 19:1;O2/34:0 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 19:1;O2/34:0
External Links
Pubchem CID145717374
LIPID MAPSLMSP05019H70
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 19:1;O2/34:0

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 19:1;O2/34:0

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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