5WW9:
reference: Flexible aspartates propel iron to the ferroxidation sites along pathways stabilized by a conserved arginine in Dps proteins from Mycobacterium smegmatis., Williams SM, Chatterji D, Metallomics. 2017 Jun 21;9(6):685-698. doi: 10.1039/c7mt00008a. PMID: 28418062

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