si_0174 Polysaccharide_deacetylases Peptidoglycan N-acetylglucosamine deacetylase (EC 3.5.1.-) si_0174 Polysaccharide_deacetylases Polysaccharide deacetylase si_0174 Polysaccharide_deacetylases Polysaccharide intercellular adhesin (PIA) biosynthesis deacetylase IcaB (EC 3.-.-.-)