BCX 1470 methanesulfonate inhibits the esterolytic activity of factor D and C1s (IC50: 96 nM and 1.6 nM), 3.4- and 200-fold better than that of trypsin, respectively.
FK706 is a slow-binding and competitive human neutrophil elastase inhibitor (IC50: 83 nM; Ki: 4.2 nM). FK706 also inhibits mouse neutrophil elastase and porcine pancreatic elastase (IC50s: 22 nM and 100 nM, respectively). FK706 has an anti-inflammatory ef