2RO9:
reference: The solution structures of two soybean calmodulin isoforms provide a structural basis for their selective target-activation properties., Ishida H, Huang H, Yamniuk AP, Takaya Y, Vogel HJ, J Biol Chem. 2008 Mar 17;. PMID: 18347016

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