5JX3:
reference: Poxvirus uracil-DNA glycosylase-An unusual member of the family I uracil-DNA glycosylases., Schormann N, Zhukovskaya N, Bedwell G, Nuth M, Gillilan R, Prevelige PE, Ricciardi RP, Banerjee S, Chattopadhyay D, Protein Sci. 2016 Dec;25(12):2113-2131. doi: 10.1002/pro.3058. Epub 2016 Nov 2. PMID: 27684934

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