1.1.1.184 4 - 15% of maximum activity 688959 1.1.1.184 4.5 7 more than 80% of maximum activity 725727 1.1.1.184 5.5 6.5 more than 90% of maximum activity 711492 1.1.1.184 5.5 12 - 347769 1.1.1.184 6 8 more than 50% activity between pH 6.0 and 8.0. The activity decreases rapidly when pH is below 6.0 or above 8.0 760516 1.1.1.184 6 8 more than 75% activity between pH 6.0 and 8.0 760816 1.1.1.184 6 8 more than 80% activity at pH 6.0 and pH 8.0 655017 1.1.1.184 6.5 - - 740436 1.1.1.184 6.5 8 the enzyme shows more than 70% activity between pH 6.5 and 8.0 760245 1.1.1.184 8 - 35% of maximum activity 688959