2R9B:
reference: Recombinant plasmepsin 1 from the human malaria parasite plasmodium falciparum: enzymatic characterization, active site inhibitor design, and structural analysis., Liu P, Marzahn MR, Robbins AH, Gutierrez-de-Teran H, Rodriguez D, McClung SH, Stevens SM Jr, Yowell CA, Dame JB, McKenna R, Dunn BM, Biochemistry. 2009 May 19;48(19):4086-99. PMID: 19271776

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