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Description

A cell-permeable, potent, selective, reversible inhibitor of cathepsin K (Ki,app = 9.7 nM). At higher concentrations also inhibits the activities of cathepsin L, cathepsin B, and papain (Ki,app = 120 nM, 5.1 mM, and 2.3 µ,M, respectively). Reported to completely block cathepsin K activity in primary human synovial fibroblast cultures at a concentration of 1 µ,M., A cell-permeable peptidyl bis-carbohydrazide compound that acts as a potent, selective, and reversible inhibitor of cathepsin K (Ki,app = 9.7 nM). At higher concentrations, also inhibits the activities of cathepsin L, cathepsin B, and papain (Ki,app = 120 nM, 5.1 µ,M, and 2.3 µ,M, respectively). Completely blocks cathepsin K activity in primary human synovial fibroblast cultures at 1 µ,M.