Fig. 5
Thermal profiles of BCAI without addition of metallic ions (a) and in the presence of 0.5 mM Mn2+ (b). The residual activities were determined at 60 °C (■), 70 °C (●), 80 °C (▲) and 90 °C (▼). The activity of a standard reaction at 60 °C and 0 min was defined as 100 %