2.3.1.183 7 - assay at 673842, 675993 2.3.1.183 7.2 - activity assay 685130 2.3.1.183 7.5 - - 673824 2.3.1.183 7.5 - assay at 676683 2.3.1.183 8.2 - assay at 671406 2.3.1.183 8.5 - in Tris buffer 702740