| 3BTP: reference: Crystal structure of the Agrobacterium virulence complex VirE1-VirE2 reveals a flexible protein that can accommodate different partners., Dym O, Albeck S, Unger T, Jacobovitch J, Branzburg A, Michael Y, Frenkiel-Krispin D, Wolf SG, Elbaum M, Proc Natl Acad Sci U S A. 2008 Aug 12;105(32):11170-5. Epub 2008 Aug 4. PMID: 18678909 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).