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. Author manuscript; available in PMC: 2010 Apr 24.
Published in final edited form as: J Mol Biol. 2009 Mar 10;388(1):144–158. doi: 10.1016/j.jmb.2009.03.003

Figure 5.

Figure 5

Zinc inhibits the ability of caspase-3 to cleave procaspase-3, an effect that is relieved by addition of PAC-1. (a) Procaspase-3 (C163A) (50 μM) was incubated with caspase-3 (10 μM); (b) Procaspase-3 (C163A) (50 μM) was incubated with caspase-3 (10 μM) and ZnSO4 (50 μM); (c) Procaspase-3 (C163A) (50 μM) was incubated with caspase-3 (10 μM), ZnSO4 (50 μM), and 50 μM PAC-1 (50 μM). Samples were analyzed by SDS-PAGE and coomassie staining.