2A6O:
reference: Active site sharing and subterminal hairpin recognition in a new class of DNA transposases., Ronning DR, Guynet C, Ton-Hoang B, Perez ZN, Ghirlando R, Chandler M, Dyda F, Mol Cell 2005 Oct 7;20(1):143-54. PMID: 16209952

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