5XBD:
reference: Bleogens: Cactus-Derived Anti-Candida Cysteine-Rich Peptides with Three Different Precursor Arrangements., Loo S, Kam A, Xiao T, Tam JP, Front Plant Sci. 2017 Dec 22;8:2162. doi: 10.3389/fpls.2017.02162. eCollection, 2017. PMID: 29312404

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