3.4.24.77 additional information - Ca2+ plays an essential role in thermostability, but is not directly involved in the catalytic activity 137322 3.4.24.77 15 80 calcium ion increases the activity by about 10% at the optimum temperature 667309 3.4.24.77 30 - during 30 min of various temperatures the enzyme is stable until 30°C, but progressively lost its activity at higher temperature 667346 3.4.24.77 30 40 the enzyme retains 90% of activity at 30°C and 40°C after 1 h incubation 668436 3.4.24.77 60 - stable at 60°C for 120 min 667342