5TP5:
reference: Structural Consequences of Calmodulin EF Hand Mutations., Piazza M, Taiakina V, Dieckmann T, Guillemette JG, Biochemistry. 2017 Feb 21;56(7):944-956. doi: 10.1021/acs.biochem.6b01296. Epub, 2017 Feb 8. PMID: 28121131

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