4LVO:
reference: The malaria parasite egress protease SUB1 is a calcium-dependent redox switch subtilisin., Withers-Martinez C, Strath M, Hackett F, Haire LF, Howell SA, Walker PA, Evangelos C, Dodson GG, Blackman MJ, Nat Commun. 2014 May 2;5:3726. doi: 10.1038/ncomms4726. PMID: 24785947

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