3.5.1.41 acetylated chitin polymer + H2O - 3.5.1.41 acetylated chitosan oligosaccharide + H2O - 3.5.1.41 acetylated chitosan polymer + H2O - 3.5.1.41 chitin + H2O - 3.5.1.41 chitin + H2O natural crystalline chitin is a very poor substrate for the enzyme 3.5.1.41 chitin + H2O catalyzes hydrolysis of the acetamido groups of N-acetylglucosamine of chitin in fungal cell walls 3.5.1.41 chitin + H2O chitosan is necessary for cell wall integrity in Cryptococcus neoformans 3.5.1.41 chitin + H2O plain chitin is a poor substrate, but glycolated, reprecipitated or depolymerized chitins are good ones 3.5.1.41 colloidal chitin + H2O - 3.5.1.41 glycol chitin + H2O the chitin deacetylase activity from Flammulina velutipes is determined as around 13fold higher on substrate of chitosan than glycol chitin