EC 3.2.1.8 CAZY Family: GH10 Recombinant. Catalytic domain of Xyn10B from Cellvibrio mixtus. In 3.2 M ammonium sulphate. Specific activity: ~ 25 U/mg (40oC, pH 6.5 on wheat arabinoxylan); ~ 45 U/mg (50oC, pH 6.5 on wheat arabinoxylan) Action on other substrates: CM-cellulose 4M < 0.001 %; Barley β-glucan ~ 0.04 % Store at 4°C.