3.4.19.3 additional information - 9.0-9.5 681896 3.4.19.3 additional information - optimal activity between 8.8-10.5, activity decreases rapidly below pH 8.0 681817 3.4.19.3 6.5 - - 95298 3.4.19.3 7 - - 95294, 95300 3.4.19.3 7.3 - pituitary enzyme 95300 3.4.19.3 7.4 - - 95279 3.4.19.3 7.5 - - 95280 3.4.19.3 7.5 - assay at 727453 3.4.19.3 7.6 - - 95300 3.4.19.3 8 - - 667525