3.4.23.39 2.2 - assay at, PSM2 produces more cleavage sites at pH 4.5 than at pH 2.2. At pH 2.2 PSM2 activity is observed only without maturation 708888 3.4.23.39 4.5 - - 648194 3.4.23.39 4.5 - assay at 708120, 708127 3.4.23.39 4.5 - assay at, at pH 4.5 the number of cleavage sites is lower at 0°C than at room temperature. PSM2 produces more cleavage sites at pH 4.5 than at pH 2.2 708888 3.4.23.39 4.7 - assay at 709167 3.4.23.39 5 - - 648189 3.4.23.39 5 - assay at 708121, 709477, 710185 3.4.23.39 5 - optimal pH of wild-type PMII, chimeric PMII and PMII without prosegment 710468