CHEBI:61793 - α-Neu5Ac-(2→3)-β-D-Gal-(1→3)-[α-L-Fuc-(1→4)]-D-GlcNAc

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ChEBI Name α-Neu5Ac-(2→3)-β-D-Gal-(1→3)-[α-L-Fuc-(1→4)]-D-GlcNAc
ChEBI ID CHEBI:61793
ChEBI ASCII Name alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-D-GlcNAc
Definition A branched amino tetrasaccharide consisting of a sialyl residue, linked (2→3) to a galactosyl residue that in turn is linked (1→3) to a glucosaminyl residue, which is also carrying a fucosyl residue at the 4-position.
Stars This entity has been manually annotated by the ChEBI Team.
Submitter Bijay
Secondary ChEBI IDs CHEBI:140914
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Formula C31H52N2O23
Net Charge 0
Average Mass 820.74420
Monoisotopic Mass 820.29609
InChI InChI=1S/C31H52N2O23/c1-8-17(41)20(44)21(45)28(50-8)53-23-14(7-36)51-27(47)16(33-10(3)38)25(23)54-29-22(46)26(19(43)13(6-35)52-29)56-31(30(48)49)4-11(39)15(32-9(2)37)24(55-31)18(42)12(40)5-34/h8,11-29,34-36,39-47H,4-7H2,1-3H3,(H,32,37)(H,33,38)(H,48,49)/t8-,11-,12+,13+,14+,15+,16+,17+,18+,19-,20+,21-,22+,23+,24+,25+,26-,27?,28-,29-,31-/m0/s1
InChIKey XBSNXOHQOTUENA-KRAHZTDDSA-N
SMILES [H][C@]1(O[C@@](C[C@H](O)[C@H]1NC(C)=O)(O[C@H]1[C@@H](O)[C@@H](CO)O[C@@H](O[C@@H]2[C@@H](NC(C)=O)C(O)O[C@H](CO)[C@H]2O[C@@H]2O[C@@H](C)[C@@H](O)[C@@H](O)[C@@H]2O)[C@@H]1O)C(O)=O)[C@H](O)[C@H](O)CO
Roles Classification
Biological Role(s): tumour antigen
An antigenic substance produced in tumour cells, which triggers an immune response in the host.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing α-Neu5Ac-(2→3)-β-D-Gal-(1→3)-[α-L-Fuc-(1→4)]-D-GlcNAc (CHEBI:61793) has role tumour antigen (CHEBI:144829)
α-Neu5Ac-(2→3)-β-D-Gal-(1→3)-[α-L-Fuc-(1→4)]-D-GlcNAc (CHEBI:61793) is a amino tetrasaccharide (CHEBI:59412)
α-Neu5Ac-(2→3)-β-D-Gal-(1→3)-[α-L-Fuc-(1→4)]-D-GlcNAc (CHEBI:61793) is a glucosamine oligosaccharide (CHEBI:22485)
Incoming α-Neu5Ac-(2→3)-β-D-Gal-(1→3)-[α-L-Fuc-(1→4)]-β-D-GlcNAc (CHEBI:62681) is a α-Neu5Ac-(2→3)-β-D-Gal-(1→3)-[α-L-Fuc-(1→4)]-D-GlcNAc (CHEBI:61793)
IUPAC Name
5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranonosyl-(2→3)-β-D-galactopyranosyl-(1→3)-[6-deoxy-α-L-galactopyranosyl-(1→4)]-2-acetamido-2-deoxy-D-glucopyranose
Synonyms Sources
(Gal)1 (GlcNAc)1 (LFuc)1 (Neu5Ac)1 KEGG GLYCAN
CA19-9 KEGG GLYCAN
CA19-9 antigen SUBMITTER
carbohydrate antigen 19-9 ChEBI
NeuAcα2,3Galβ1-3[Fucα1-4]GlcNAc ChEBI
R-alpha-D-Gal-beta1,3-alpha-D-GlcNAc-(alpha1,4-Fuc)-beta1,3-D-Gal-alpha2,3-Neu5Ac SUBMITTER
sialyl Lewis A ChEBI
sialyl Lewis a antigen KEGG GLYCAN
sialyl-LewisA ChEBI
sLeA SUBMITTER
WURCS=2.0/4,4,3/[a2122h-1x_1-5_2*NCC/3=O][a2112h-1b_1-5][Aad21122h-2a_2-6_5*NCC/3=O][a1221m-1a_1-5]/1-2-3-4/a3-b1_a4-d1_b3-c2 GlyTouCan
Manual Xrefs Databases
CA19-9 Wikipedia
G00257 KEGG GLYCAN
G81971FM GlyTouCan
G81971FM GlyGen
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Citations Waiting for Citations Types Sources
15697247 PubMed citation Europe PMC
16133831 PubMed citation Europe PMC
Last Modified
11 September 2023