Caspase-3 substrate
Fluorogenic substrate for caspase-3 (CPP32), with a Km=9.7µM) and related cysteine proteases. Sequence is based on PARP cleavage at Asp216 for caspase-3. Similar to Ac-DEVD-AMC (Prod. No. ALX-260-031) but the AFC fluorophore has a greater Stokes' shift upon cleavage than AMC. Reaction can be monitored quantitatively or visually using a hand-held long-UV lamp and visualizing a blue to green shift in fluorescence upon cleavage. Ex.: 400 nm, Em.: 505 nm.
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