3.5.4.5	irreversible denaturation after 30 min at 72°C	657220	
3.5.4.5	irreversible denaturation at 72°C after 30 min	657220	
3.5.4.5	unstable in air, even in the frozen state, stabilization achieved under anaerobic conditions	209652	
3.5.4.5	very unstable	209656