| 2PVI: reference: How is modification of the DNA substrate recognized by the PvuII restriction endonuclease?, Horton JR, Bonventre J, Cheng X, Biol Chem 1998 Apr-May;379(4-5):451-8. PMID: 9628337 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).