[3)-beta-D-Galp-(1->3)-alpha-D-Galp-(1->]n-[3)-beta-D-Galf-(1->3)-alpha-D-Galp-(1->]n
[3)-beta-d-galp-(1->3)-alpha-d-galp-(1->]n-[3)-beta-d-galf-(1->3)-alpha-d-galp-(1->]n
A polysaccharide derivative that is the O-antigen polysaccharide from <em>Klebsiella pneumoniae</em>, the repeating unit of which consists of alternating disaccharides of β-<small>D</small>-galactopyranosyl-(1→3)-α-<small>D</small>-galactopyranose and β-<small>D</small>-galactofuranosyl-(1→3)-α-<small>D</small>-galactopyranose.