A. haemolyticus strain 57 O-specific polysaccharide
A. haemolyticus strain 61 O-specific polysaccharide
A polysaccharide derivative composed of a backbone of linear trisaccharide-derivative repeating units that are joined to each other via beta-(1->3)-linkages. An antigen, it is the O-polysaccharide of the lipopolysaccharide from Acinetobacter haemolyticus strain 61.