52 



X 

 H 

 H 

 > 

 H 

 H 

 U 



< 



20 



40 



60 



80 



TEMPERATURE (°C) 



Fig. 3-3. Temperature optimum for activity of 

 prephenate aminotransferase in C. sorokiniana. _ The 

 temperatures range used was from 20°C to 80°C for 5 min. 



