3.1.1.41 dialysis against water causes 50% loss of activity 3.1.1.41 immobilized enzyme is very stable and exhibited only a slight decrease in activity upon repeated use 3.1.1.41 immobilized enzyme, the specific activity after the 20th use is the same as the activity prior to the first use 3.1.1.41 unstable after deglycosylation with endoglycosidase H