2.5.1.9	additional information	-	heavy enzyme is instable at elevated pH	637570	
2.5.1.9	4	8	0°C, stable for several h in presence of a suitable reducing agent	637561	
2.5.1.9	6	10	26°C, 18 h, stable	637575	
2.5.1.9	6.3	7.6	55°C, 18 h, stable	637575