5FPW:
reference: Molecular and biochemical characterization of a cathepsin B-like protease family unique to Trypanosoma congolense., Mendoza-Palomares C, Biteau N, Giroud C, Coustou V, Coetzer T, Authie E, Boulange A, Baltz T, Eukaryot Cell. 2008 Apr;7(4):684-97. doi: 10.1128/EC.00405-07. Epub 2008 Feb 15. PMID: 18281598

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