3HRM:
reference: Crystal structures of the reduced, sulfenic acid, and mixed disulfide forms of SarZ, a redox active global regulator in Staphylococcus aureus., Poor CB, Chen PR, Duguid E, Rice PA, He C, J Biol Chem. 2009 Aug 28;284(35):23517-24. Epub 2009 Jul 7. PMID: 19586910

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