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  • Title: Aza-peptide epoxides: a new class of inhibitors selective for clan CD cysteine proteases.
    Author: Asgian JL, James KE, Li ZZ, Carter W, Barrett AJ, Mikolajczyk J, Salvesen GS, Powers JC.
    Journal: J Med Chem; 2002 Nov 07; 45(23):4958-60. PubMed ID: 12408706.
    Abstract:
    Aza-peptide epoxides, a new class of irreversible protease inhibitors, are specific for the clan CD cysteine proteases. The inhibitors have second-order rate constants up to 10(5) M(-1) s(-1), with the most potent epoxides having the S,S stereochemistry. The aza-Asn derivatives are effective legumain inhibitors, while the aza-Asp epoxides were specific for caspases. The inhibitors have little or no inhibition with other proteases such as chymotrypsin, papain, or cathepsin B.
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