2AMI:
reference: Structure of the N-terminal calcium sensor domain of centrin reveals the biochemical basis for domain-specific function., Sheehan JH, Bunick CG, Hu H, Fagan PA, Meyn SM, Chazin WJ, J Biol Chem. 2006 Feb 3;281(5):2876-81. Epub 2005 Nov 29. PMID: 16317001

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