EC 3.2.1.20 CAZY Family: GH13 Recombinant from Bacillus stearothermophilus. In 3.2 M ammonium sulphate. Specific activity: ~ 280 U/mg (60oC, pH 6.5 on p-nitrophenyl-α-D-glucopyranoside); ~ 135 U/mg (40oC, pH 6.5 on p-nitrophenyl-α-D-glucopyranoside). Action on other substrates: Blocked p-nitrophenol maltoheptaoside < 0.0001 % Stability: > 4 years at 4oC.