| 1OUP: reference: DNA binding and cleavage by the periplasmic nuclease Vvn: a novel structure with a known active site., Li CL, Hor LI, Chang ZF, Tsai LC, Yang WZ, Yuan HS, EMBO J 2003 Aug 1;22(15):4014-25. PMID: 12881435 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).