4OZK:
reference: Intra-molecular Disulfide-Stapled Structure of Laterosporulin, a Class IId Bacteriocin, Conceals Human Defensin-like Structural Module., Singh PK, Solanki V, Sharma S, Thakur KG, Krishnan B, Korpole S, FEBS J. 2014 Oct 27. doi: 10.1111/febs.13129. PMID: 25345978

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