1QYS:
reference: Design of a novel globular protein fold with atomic-level accuracy., Kuhlman B, Dantas G, Ireton GC, Varani G, Stoddard BL, Baker D, Science 2003 Nov 21;302(5649):1364-8. PMID: 14631033

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