Term Name:	Group A carbohydrate
Synonyms:	[3)-alpha-rhamnopyranosyl-(1->2)-[N-acetyl-beta-D-glucopyranosaminyl-(1->3)]-alpha-rhamnopyranosyl-(1->]n, [3)-alpha-Rhap-(1->2)-[beta-D-GlcpNAc-(1->3)]-alpha-Rhap-(1->]n
Definition:	A polysaccharide composed of a [3)-α-Rhap-(1→2)-α-Rhap-(1→]n rhamnose polysaccharide backbone with a β-D-GlcpNAc side-chain modification on every α-1,2-linked rhamnose. A bacterial peptidoglycan-anchored surface rhamnose polysaccharide that is essential for growth of Streptococcus pyogenes and contributes to its ability to infect the human host.
Ontology:	ChEBI [CHEBI:195212]  ( EBI )