2BCX:
reference: Complex of calmodulin with a ryanodine receptor target reveals a novel, flexible binding mode., Maximciuc AA, Putkey JA, Shamoo Y, Mackenzie KR, Structure. 2006 Oct;14(10):1547-56. PMID: 17027503

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