4LIW:
reference: A challenging interpretation of a hexagonally layered protein structure., Thompson MC, Yeates TO, Acta Crystallogr D Biol Crystallogr. 2014 Jan;70(Pt 1):203-8. doi:, 10.1107/S139900471302422X. Epub 2013 Dec 24. PMID: 24419393

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