1SDM:
reference: Crystal structure of kinesin regulated by Ca(2+)-calmodulin., Vinogradova MV, Reddy VS, Reddy AS, Sablin EP, Fletterick RJ, J Biol Chem 2004 May 28;279(22):23504-9. Epub 2004 Feb 26. PMID: 14988396

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