5UJR:
reference: Identification and three-dimensional structure of carnobacteriocin XY, a class IIb bacteriocin produced by Carnobacteria., Acedo JZ, Towle KM, Lohans CT, Miskolzie M, McKay RT, Doerksen TA, Vederas JC, Martin-Visscher LA, FEBS Lett. 2017 May;591(10):1349-1359. doi: 10.1002/1873-3468.12648. Epub 2017, Apr 27. PMID: 28391617

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