2.7.1.63 dialysed enzyme preparations are largely inactive, Mg2+ restores activity 641744 2.7.1.63 dialysis against distilled water for 10 h leads to decreased activity 641743 2.7.1.63 enzyme immobilized on corn stover is stable for one months at pH 8.5, 30°C 641744 2.7.1.63 KCl, 0.3 M, stabilizes 641743