3.4.11.10 additional information - the enzyme is inactive at low pH 709544 3.4.11.10 4 9 - 718341 3.4.11.10 4.5 10.5 activity range, profiles of free and immobilized recombinant wild-type and mutant enzymes, overview 709378 3.4.11.10 5.5 10 pH profile, about 40% of maximal activity at pH 5.5 and pH 10.0, rapid decline of activity at pH 5.0, recombinant enzyme 666273 3.4.11.10 5.5 10.8 pH-profile of mutant E151H 664065 3.4.11.10 6 9 20% of maximal activity at pH 6.0, 50% at pH 9.0 665172 3.4.11.10 7 9 optimal activity is observed at pH 8-8.5, exhibiting a rapid decline under mildly acidic (below pH 7) and basic (above pH 9) conditions 700078