2JOG:
reference: Structure of the Calcineurin-NFAT Complex: Defining a T Cell Activation Switch Using Solution NMR and Crystal Coordinates., Takeuchi K, Roehrl MH, Sun ZY, Wagner G, Structure. 2007 May 16;15(5):587-597. PMID: 17502104

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