RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0038349
RefMet nameLacCer 14:1;O2/12:0
Alternative nameLacCer(d14:1/12:0)
Systematic nameN-(dodecanoyl)-1-beta-lactosyl-4E-tetradecasphingenine
SynonymsPubChem Synonyms
Sum CompositionLacCer 26:1;O2 View other entries in RefMet with this sum composition
Exact mass749.492544 (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
FormulaC38H71NO13View other entries in RefMet with this formula
Molecular descriptors
Molfile90124 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C38H71NO13/c1-3-5-7-9-11-13-15-17-19-21-27(42)26(39-30(43)22-20-18-16-14-12-10-8-6-4-2)25-49-37-35(48)33(46)36(29(24-41)5
1-37)52-38-34(47)32(45)31(44)28(23-40)50-38/h19,21,26-29,31-38,40-42,44-48H,3-18,20,22-25H2,1-2H3,(H,39,43)/b21-19+/t26-,27+,28+,2
9+,31-,32-,33+,34+,35+,36+,37+,38-/m0/s1
InChIKeyXEOJIOGXFKLJFT-OIWOJGJISA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCC/C=C/[C@H]([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)NC(=O)CCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassGlycosphingolipids
Sub ClassHex2Cer (Dihexosyl ceramides)
Distribution of LacCer 14:1;O2/12:0 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 14:1;O2/12:0
External Links
Pubchem CID145717069
LIPID MAPSLMSP05019GML
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 14:1;O2/12:0

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 14:1;O2/12:0

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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