3.2.1.6 endo-1,3(4)-beta-glucanase crystalline style - 3.2.1.39 glucan endo-1,3-beta-D-glucosidase crystalline style - 3.2.1.75 glucan endo-1,6-beta-glucosidase crystalline style - 4.2.2.3 mannuronate-specific alginate lyase crystalline style -