1.13.11.17	dialysis results in complete loss of activity	395578, 395579	
1.13.11.17	dialysis, 8 h, results in complete loss of activity	395576	
1.13.11.17	pH 7, 0.02 M sodium phosphate buffer, 0.1 mM EDTA, 6 h in the cold, slight loss of activity	395575