3EDV:
reference: Localization and structure of the ankyrin-binding site on beta 2-spectrin., Davis L, Abdi K, Machius M, Brautigam C, Tomchick DR, Bennett V, Michaely P, J Biol Chem. 2008 Dec 20. PMID: 19098307

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