Help & FAQs: Peptides

    Peptide Inhibitors

    • Are R&D Systems Caspase Inhibitors irreversible?
    • Yes, all of R&D Systems Caspase Inhibitors contain the benzyloxycarbonyl group (Z-) at the N-terminus and the FMK functional group at the C-terminus. Therefore, they are all cell permeable and irreversible.