3.4.22.2 3.8 4.5 conditions for in vitro activation of the refolded propapain to mature papain are determined, the highest rates of activation are observed between pH 3.8 and 4.5, while the rates are greatly reduce at pH higher than 6 700680 3.4.22.2 4 8 - 733086 3.4.22.2 4 9 pH 4.0: about 50% of maximal activity, pH 9.0: about 35% of maximal activity, soluble enzyme 753834 3.4.22.2 4 12 pH 4.0: about 55% of maximal activity, pH 12.0: about 45% of maximal activity, enzyme immobilized on multi-walled carbon nanotubes 753834 3.4.22.2 4.1 8.5 - 718381 3.4.22.2 5 8 pH 5.0: about 70% of maximal activity, pH 8.0: about 85% of maximal activity 95686 3.4.22.2 5 10 pH profile of soluble and immobilized enzyme 668437 3.4.22.2 6.2 7.4 10 min, 37°C 695547 3.4.22.2 6.4 9.4 pH 6.4: about 85% of maximal activity, pH 9.4: about 50% of maximal activity 755381 3.4.22.2 6.4 10.2 pH 6.4: about 85% of maximal activity, pH 10.2: about 70% of maximal activity 755381