Term Name:	O-(3-O-D-galactosyl-N-acetyl-beta-D-galactosaminyl)-L-serine
Synonyms:	(2S)-3-(2-acetamido-2-deoxy-3-O-D-galactopyranosyl-beta-D-galactopyranosyloxy)-2-aminopropanoic acid, (2S)-3-[D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-galactopyranosyloxy]-2-aminopropanoic acid, D-Galactosyl-3-(N-acetyl-beta-D-galactosaminyl)-L-serine, T antigen
Definition:	A derivative of L-serine having a 3-O-D-galactosyl-N-acetyl-β-D-galactosaminyl moiety attached to the side-chain oxygen.
Ontology:	ChEBI [CHEBI:16981]  ( EBI )