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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Bioorg Med Chem Lett. 2015 Jun 23;25(21):4834–4837. doi: 10.1016/j.bmcl.2015.06.066

Figure 1.

Figure 1

Structure of the prototypical peptidic cruzain inhibitor 1 (K777), the related activity-based probe 2, and non-peptidic cruzain inhibitors 3 and 4. The P1’-P3 side chains are indicated.