1KBX:
reference: Aspartic proteases from Plasmodium chabaudi: a rodent model for human malaria., Martins TM, Novo C, do Rosario VE, Domingos A, Acta Trop. 2003 Dec;89(1):1-12. PMID: 14636976

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).