| 3UXU: reference: The Structure of an Archaeal Viral Integrase Reveals an Evolutionarily Conserved Catalytic Core yet Supports a Mechanism of DNA Cleavage in trans., Eilers BJ, Young MJ, Lawrence CM, J Virol. 2012 Aug;86(15):8309-13. Epub 2012 May 16. PMID: 22593158 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).