EC 3.2.1.21 CAZY Family: GH1 From T. maritima,. In 3.2 M ammonium sulphate. Electrophoretically homogeneous (before BSA addition). Specific activity: 93 U/mg (40°C, pH 6.5, p-nitrophenyl β-glucoside). Contaminants: α-glucosidase < 0.0008%, α-amylase and amyloglucosidase < 0.001%. Stable at 4°C for > 4 years.