3.4.22.33 Hg2+ - 33 3.4.22.33 Hg2+ uncompetitive inhibition at pH 3.5 and pH 4.5 with 0.6 mM Hg2+ 33 3.4.22.33 iodoacetic acid 5% residual activity at 2 mM 213 3.4.22.33 Mercurials cysteine restores activity 5258 3.4.22.33 Mercurials cysteine restores activity; mercaptoethanol restores activity 5258 3.4.22.33 additional information scarcely inhibited by chicken chystatin 2 3.4.22.33 additional information enzyme is inhibited by cystatin 2 3.4.22.33 additional information not inhibited by pepstatin 2 3.4.22.33 additional information no effect on activity by EDTA 2 3.4.22.33 additional information stability of bromelain in the presence of EDTA and sodium benzoate; stability of bromelain in the presence of EDTA and sodium benzoate 2