3.6.1.17	6.1	8.6	pH 6.1: about 75% of maximal activity, pH 8.6: about 10% of maximal activity, degradation of Ap4A	657213	
3.6.1.17	6.5	8	50% of maximal activity at pH 6.5 and at pH 8.0, hydrolysis of Ap4A	654817	
3.6.1.17	6.5	8.5	half maximum activity	209908	
3.6.1.17	6.5	9.8	35% activity at pH 6.5 and 80% activity at pH 9.8	209909	
3.6.1.17	6.8	9.5	in the presence of 3.5 mM Mn2+, the enzyme is active over a wide pH range	695301