N-acetyl-alpha-D-galactosaminyl group (CHEBI:88142)

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ChEBI Name	N-acetyl-α-D-galactosaminyl group

ChEBI ID	CHEBI:88142

ChEBI ASCII Name	N-acetyl-alpha-D-galactosaminyl group

Definition	The glycosyl group obtained by removing the hydroxy group from the hemiacetal function of N-acetyl-α-D-galactosamine. A proposed epitope of blood group A antigen.

Stars	This entity has been manually annotated by the ChEBI Team.

Download	Molfile XML SDF

Formula

C8H14NO5

Net Charge

Average Mass

204.201

Monoisotopic Mass

204.08720

SMILES

[C@H]1([C@@H]([C@H]([C@H]([C@H](O1)CO)O)O)NC(=O)C)*

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.

ChEBI Ontology
Outgoing	N-acetyl-α-D-galactosaminyl group (CHEBI:88142) has role epitope (CHEBI:53000) N-acetyl-α-D-galactosaminyl group (CHEBI:88142) is a N-acetyl-D-galactosaminyl group (CHEBI:21507) N-acetyl-α-D-galactosaminyl group (CHEBI:88142) is substituent group from N-acetyl-α-D-galactosamine (CHEBI:40356)

Incoming	α-L-Fuc-(1→2)-[α-D-GalNAc-(1→3)]-β-D-Gal-(1→3)-β-D-GlcNAc-(1→3)-α-D-Gal-yl group (CHEBI:140186) has part N-acetyl-α-D-galactosaminyl group (CHEBI:88142)

IUPAC Name

2-acetamido-2-deoxy-α-D-galactopyranosyl

Synonyms	Sources
2-acetamido-2-deoxy-α-D-galactopyranosyl group	CBN
α-GalNAc-R	ChEBI
N-acetyl-β-D-galactosaminyl-R	ChEBI
N-acetyl-D-galactosaminyl-R	ChEBI
terminal α-linked GalNAc	ChEBI

Last Modified

31 March 2021