CHEBI:87075 - O-(N-acetyl-α-D-galactosaminyl)-L-threonine residue

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ChEBI Name O-(N-acetyl-α-D-galactosaminyl)-L-threonine residue
ChEBI ID CHEBI:87075
ChEBI ASCII Name O-(N-acetyl-alpha-D-galactosaminyl)-L-threonine residue
Definition An L-α-amino acid residue derived from O-(N-acetyl-α-D-galactosaminyl)-L-threonine.
Stars This entity has been manually annotated by the ChEBI Team.
Submitter Kristian Axelsen
Secondary ChEBI IDs CHEBI:53605
Download Molfile XML SDF
Formula C12H20N2O7
Net Charge 0
Average Mass 304.297
Monoisotopic Mass 304.12705
SMILES C[C@H]([C@@H](C(*)=O)N*)O[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.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing O-(N-acetyl-α-D-galactosaminyl)-L-threonine residue (CHEBI:87075) has functional parent L-threonine residue (CHEBI:30013)
O-(N-acetyl-α-D-galactosaminyl)-L-threonine residue (CHEBI:87075) has role epitope (CHEBI:53000)
O-(N-acetyl-α-D-galactosaminyl)-L-threonine residue (CHEBI:87075) is a L-α-amino acid residue (CHEBI:83228)
O-(N-acetyl-α-D-galactosaminyl)-L-threonine residue (CHEBI:87075) is substituent group from O-(N-acetyl-α-D-galactosaminyl)-L-threonine (CHEBI:53609)
IUPAC Name
O-(2-acetamido-2-deoxy-α-D-galactopyranosyl)-L-threonine residue
Synonyms Sources
-[GalNAc(α1→O)]Thr- JCBN
GalNAc α 1-O-Thr ChEBI
N-acetyl-α-D-galactosaminyl-L-threonine residue UniProt
Tn antigen
Note: (2021-09-10) L-serine may replace L-threonine in the structure of Tn antigen.
 ChEBI
Manual Xref Database
AA0155 RESID
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Citations Waiting for Citations Types Sources
1997327 PubMed citation Europe PMC
8226812 PubMed citation Europe PMC
8948436 PubMed citation Europe PMC
9509302 PubMed citation Europe PMC
Last Modified
10 September 2021