2HUL:
reference: An approach to crystallizing proteins by synthetic symmetrization., Banatao DR, Cascio D, Crowley CS, Fleissner MR, Tienson HL, Yeates TO, Proc Natl Acad Sci U S A. 2006 Oct 31;103(44):16230-5. Epub 2006 Oct 18. PMID: 17050682

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