3.4.22.51 additional information - enzymatically active and stable in neutral/acidic pH 696523 3.4.22.51 additional information - stable at alkaline and acid pH 638884 3.4.22.51 additional information - stable at alkaline pH 638879 3.4.22.51 additional information - stable at neutral pH, inactivation studies over a pH range from pH 2.15 to pH 10 638891 3.4.22.51 2.75 - exponential decrease of activity in the presence of substrate 638891 3.4.22.51 8.7 - unstable in the absence of substrate at 37°C 638878