2J6G:
reference: Chloroplasts assemble the major subunit FaeG of Escherichia coli F4 (K88) fimbriae to strand-swapped dimers., Van Molle I, Joensuu JJ, Buts L, Panjikar S, Kotiaho M, Bouckaert J, Wyns L, Niklander-Teeri V, De Greve H, J Mol Biol. 2007 May 4;368(3):791-9. Epub 2007 Feb 22. PMID: 17368480

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