2.7.4.13 additional information - active over a broad range 642544 2.7.4.13 6.2 9 about 80% of maximal activity at pH 6.2 and about 65% of maximal activity at pH 9 with substrate dGMP 642542 2.7.4.13 6.3 9 at pH 6.3: about 70% of maximal activity with substrate dTMP, about 85% of maximal activity with substrate dCMP, at pH 9.0: about 50% of maximal activity with substrate dTMP, 65% of maximal activity with substrate dCMP 642542 2.7.4.13 6.2 9.4 about 65% of maximal activity at pH 6.2 and about 70% of maximal activity at pH 9.4 with substrate dAMP 642542