4ZIZ:
reference: Serial femtosecond crystallography of soluble proteins in lipidic cubic phase., Fromme R, Ishchenko A, Metz M, Chowdhury SR, Basu S, Boutet S, Fromme P, White TA, Barty A, Spence JC, Weierstall U, Liu W, Cherezov V, IUCrJ. 2015 Aug 4;2(Pt 5):545-51. doi: 10.1107/S2052252515013160. eCollection, 2015 Sep 1. PMID: 26306196

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