CHEBI:142767 - α-Neu5Ac-(2→3)-β-D-Gal-(1→4)-β-D-Glc-yl group

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name α-Neu5Ac-(2→3)-β-D-Gal-(1→4)-β-D-Glc-yl group
ChEBI ID CHEBI:142767
ChEBI ASCII Name alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-yl group
Definition A β-D-glucosyl group derived from the trisaccharide N-acetyl-α-neuraminyl-(2→3)-β-D-galactosyl-(1→4)-β-D-glucose. Implied reactive epitope within ganglioside GM3.
Stars This entity has been manually annotated by the ChEBI Team.
Download Molfile XML SDF
Formula C23H38NO18
Net Charge 0
Average Mass 616.545
Monoisotopic Mass 616.20889
SMILES O([C@@H]1[C@H]([C@H](O[C@@H]2[C@H](O[C@@H](*)[C@@H]([C@H]2O)O)CO)O[C@@H]([C@@H]1O)CO)O)[C@]3(O[C@]([C@@H]([C@H](C3)O)NC(C)=O)([C@@H]([C@@H](CO)O)O)[H])C(O)=O
Roles Classification
Biological Role(s): epitope
The biological role played by a material entity when bound by a receptor of the adaptive immune system. Specific site on an antigen to which an antibody binds.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing α-Neu5Ac-(2→3)-β-D-Gal-(1→4)-β-D-Glc-yl group (CHEBI:142767) has role epitope (CHEBI:53000)
α-Neu5Ac-(2→3)-β-D-Gal-(1→4)-β-D-Glc-yl group (CHEBI:142767) is a β-D-glucosyl group (CHEBI:30697)
α-Neu5Ac-(2→3)-β-D-Gal-(1→4)-β-D-Glc-yl group (CHEBI:142767) is substituent group from N-acetyl-α-neuraminyl-(2→3)-β-D-galactosyl-(1→4)-β-D-glucose (CHEBI:59226)
Incoming α-N-acetylneuraminyl-(2→3)-β-D-galactosyl-(1→4)-β-D-glucosyl-(1↔1')-ceramide (CHEBI:15681) has part α-Neu5Ac-(2→3)-β-D-Gal-(1→4)-β-D-Glc-yl group (CHEBI:142767)
IUPAC Name
5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranonosyl-(2→3)-β-D-galactopyranosyl-(1→4)-β-D-glucopyranosyl
Synonyms Sources
3'-sialyllactosyl ChEBI
α-N-acetylneuraminyl-(2→3)-β-D-galactosyl-(1→4)-β-D-glucosyl ChEBI
α-Neu5Ac-(2→3)-β-D-Galp-(1→4)-β-D-Glcp-yl ChEBI
Neu5Acα2-3Galβ1-4Glcβ-yl ChEBI
Citation Waiting for Citations Type Source
7534889 PubMed citation Europe PMC
Last Modified
07 December 2018