6X44:
reference: Structure of the Plasmodium falciparum PfSERA5 pseudo-zymogen., Smith NA, Clarke OB, Lee M, Hodder AN, Smith BJ, Protein Sci. 2020 Sep 21. doi: 10.1002/pro.3956. PMID: 32955133

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