6.3.2.26 6.5 - - 727436 6.3.2.26 7.5 - assay at 440076 6.3.2.26 7.8 - in MOPS buffer 440084 6.3.2.26 8 8.5 - 440081 6.3.2.26 8.4 - in Tris buffer 440084