5MKC:
reference: Autocatalytic association of proteins by covalent bond formation: a Bio Molecular Welding toolbox derived from a bacterial adhesin., Bonnet J, Cartannaz J, Tourcier G, Contreras-Martel C, Kleman JP, Morlot C, Vernet T, Di Guilmi AM, Sci Rep. 2017 Mar 2;7:43564. doi: 10.1038/srep43564. PMID: 28252635

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