4FRZ:
reference: Plant Kinesin-Like Calmodulin Binding Protein Employs Its Regulatory Domain for Dimerization., Vinogradova MV, Malanina GG, Waitzman JS, Rice SE, Fletterick RJ, PLoS One. 2013 Jun 21;8(6):e66669. Print 2013. PMID: 23805258

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