ss00508 COG2152 COG2152 predicted glycoside hydrolase ss00508 COG1649 COG1649 predicted glycoside hydrolase ss00508 COG1306 COG1306 predicted glycoside hydrolase ss00508 CE4 Carbohydrate Esterase Family 4 ss00508 CE4a Polysaccharide deacetylase ss00508 CE4b Polysaccharide intercellular adhesin (PIA) biosynthesis deacetylase IcaB (EC 3.-.-.-) ss00508 CE4c Peptidoglycan N-acetylglucosamine deacetylase (EC 3.5.1.-)