Term Name:	beta-D-GalpNAc-(1->4)-alpha-D-GalpNAc
Synonyms:	2-acetamido-4-O-(2-acetamido-2-deoxy-beta-D-galactopyranosyl)-2-deoxy-alpha-D-galactopyranose, beta-D-2-acetamido-2-deoxy-galactopyranosyl-(1->4)-alpha-D-2-acetamido-2-deoxy-galactopyranose, beta-D-GalNAc-(1->4)-alpha-D-GalNAc, GalNAcbeta1-4GalNAcalpha
Definition:	An amino disaccharide consisting of N-acetyl-α-D-galactosamine having an N-acetyl-D-galactosaminyl residue attached at the 4-position via a β-linkage. Important epitope forming part of the O-polysaccharides of some Gram-negative bacteria.
Ontology:	ChEBI [CHEBI:59357]  ( EBI )