2J4M:
reference: Characterization of a Double Dockerin from the Cellulosome of the Anaerobic Fungus Piromyces equi., Nagy T, Tunnicliffe RB, Higgins LD, Walters C, Gilbert HJ, Williamson MP, J Mol Biol. 2007 Aug 19;. PMID: 17869267

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