4PLS:
reference: Crystal Structures of Designed Armadillo Repeat Proteins: Implications of Construct Design and Crystallization Conditions on Overall Structure., Reichen C, Madhurantakam C, Pluckthun A, Mittl PR, Protein Sci. 2014 Aug 13. doi: 10.1002/pro.2535. PMID: 25132085

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