2JZE:
reference: Nuclear magnetic resonance structure shows that the severe acute respiratory syndrome coronavirus-unique domain contains a macrodomain fold., Chatterjee A, Johnson MA, Serrano P, Pedrini B, Joseph JS, Neuman BW, Saikatendu K, Buchmeier MJ, Kuhn P, Wuthrich K, J Virol. 2009 Feb;83(4):1823-36. Epub 2008 Dec 3. PMID: 19052085

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