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