4.1.1.18 additional information - CadA is rapidly inactivated as the pH increases during the decarboxylation of lysine because it has an acidic optimum pH 5.0-6.0 746801 4.1.1.18 additional information - the cadaverine conversion rate is negatively affected at above pH 9 748377 4.1.1.18 4 10 activity range 746801 4.1.1.18 4.5 7 pH 4.5: about 35% of maximal activity, pH 7.0: about 60% of maximal activity 37300 4.1.1.18 4.5 8 pH 4.5: about 30% of maximal activity, pH 8: about 35% of maximal activity 37286 4.1.1.18 4.7 6.6 50% of maximal activity at pH 4.7 and 6.6 37293 4.1.1.18 5 5.5 narrow 727766 4.1.1.18 5 8.5 high activity within this range 748418 4.1.1.18 5.2 8.8 pH 5.2: 40% of maximal activity, pH 8.8: 30% of maximal activity 37299 4.1.1.18 5.5 8 maximal activity at pH 5.5, 30% of maximal activity at pH 8.0 747594