2KEL:
reference: Structure, function, and targets of the transcriptional regulator SvtR from the hyperthermophilic archaeal virus SIRV1., Guilliere F, Peixeiro N, Kessler A, Raynal B, Desnoues N, Keller J, Delepierre M, Prangishvili D, Sezonov G, Guijarro JI, J Biol Chem. 2009 Aug 14;284(33):22222-37. Epub 2009 Jun 17. PMID: 19535331

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