L-873724 inhibits bone resorption. L-873724 is an effective, selective, and reversible non-basic cathepsin K inhibitor (IC50s: 0.2, 178, 264, and 5239 nM for cathepsin K, cathepsin S, cathepsin L, cathepsin B, respectively). L-873724 also shows an IC50 of
Leupeptin is a competitive protease inhibitor produced by actinomycetes. Leupeptin can inhibit cysteine, serine and threonine peptidases. Leupeptin inhibits serine proteinases (trypsin (Ki=3.5 nM), plasmin (Ki= 3.4 nM), porcine kallikrein), and cysteine p
β-Secretase Inhibitor IV is a potent, cell-active inhibitor of BACE-1(IC50s of 15.6 and 16.3nM under BACE-1 concentrations of 2 nM and 100 pM, respectively).