4KY3:
reference: Precise assembly of complex beta sheet topologies from de novo designed building blocks., King IC, Gleixner J, Doyle L, Kuzin A, Hunt JF, Xiao R, Montelione GT, Stoddard BL, DiMaio F, Baker D, Elife. 2015 Dec 9;4. pii: e11012. doi: 10.7554/eLife.11012. PMID: 26650357

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