6HAH:
reference: Calixarene-mediated assembly of a small antifungal protein., Alex JM, Rennie ML, Engilberge S, Lehoczki G, Dorottya H, Fizil A, Batta G, Crowley PB, IUCrJ. 2019 Feb 5;6(Pt 2):238-247. doi: 10.1107/S2052252519000411. eCollection, 2019 Mar 1. PMID: 30867921

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