2.4.1.25 3.5 10 - 489005 2.4.1.25 4 6 - 488995 2.4.1.25 4 7.5 pH dependence of wild-type and mutant enzymes, D293N and E340Q are active below pH 6.5 and pH 5.5, respectively, but precipitate during the necessary prolonged incubation times, wild-type Tt AMase precipitates below pH 5.5 under similar extended incubation times as well, overview 685153 2.4.1.25 4 9 - 489002 2.4.1.25 4.2 8 - 686463 2.4.1.25 5.2 7.5 more than 50% relative activity at pH values between 5.2 and 7.5 747689 2.4.1.25 5.5 9 - 736324