3.4.22.43 5.5 - assay at 669257, 669460, 753117, 754753 3.4.22.43 5.5 - protease inhibition assay at 683207 3.4.22.43 5.5 6 - 668763 3.4.22.43 5.5 6.5 assay at 667305 3.4.22.43 5.7 - - 137269 3.4.22.43 6.5 - plasminogen digestion assay at 683210