3.4.23.39 additional information - assay at room temperature. At pH 4.5 the number of cleavage sites is lower at 0°C than at room temperature 708888 3.4.23.39 - - assay at, at pH 4.5 the number of cleavage sites is lower at 0°C than at room temperature 708888 3.4.23.39 37 - assay at 708120, 709167, 709477, 710185