[3)-beta-D-Galp-(1->4)-[alpha-D-Glcp-(1->3)]-beta-D-Manp-(1->4)-beta-D-Glcp-(1->]n
[3)-beta-d-galp-(1->4)-[alpha-d-glcp-(1->3)]-beta-d-manp-(1->4)-beta-d-glcp-(1->]n
A polysaccharide derivative that is the K2 capsular polysaccharide from <em>Klebsiella pneumoniae</em>, the repeating unit of which consists of a linear trisaccharide of <small>D</small>-galactose,  <small>D</small>-mannose and <small>D</small>-glucose residues with a side group of a further <small>D</small>-glucose residue.