3L8Q:
reference: Modular Arrangement of a Cellulosomal Scaffoldin Subunit Revealed from the Crystal Structure of a Cohesin Dyad., Noach I, Levy-Assaraf M, Lamed R, Shimon LJ, Frolow F, Bayer EA, J Mol Biol. 2010 Apr 13. PMID: 20394754

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