2.7.4.8 5 10.9 about half-maximal activity at pH 5 and maximal activity at pH 10.9, GMP-phosphorylation, calf thymus 642685 2.7.4.8 5.2 7.5 about half-maximal activity at pH 5.2 and 7.5 642690 2.7.4.8 5.7 10.9 about half-maximal activity at pH 5.7 and 10.9, dGMP-phosphorylation, calf thymus 642685 2.7.4.8 6 8 activity range, profile overview 739240 2.7.4.8 6 9 - 700079 2.7.4.8 6.5 9 70% of maximal activity at pH 6.5 and 9 642687 2.7.4.8 6.8 8.6 about 80% of maximal activity at pH 6.8 and 8.6, about 95% of maximal activity at pH 7.3 and 8 642691