Z-FA-FMK is a negative control inhibitor which has no inhibitory effect on apoptosis mediated by caspases and can only inhibit cysteine proteases (those not requiring P1 Asp inhibitors) such as Cathepsin B. Z-FA-FMK has a molecular weight of 386 Daltons.
Store undiluted at -20°C. Reconstitute the substrate before use. Reconstitute in 1 ml DMSO to yield 1 mg/ml peptide in DMSO. Store the reconstituted substrate at –20°C for up to 1-2 months and avoid repeated freeze-thaw cycles.
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