| 3LFU: reference: Rotations of the 2B Sub-domain of E. coli UvrD Helicase/Translocase Coupled to Nucleotide and DNA Binding., Jia H, Korolev S, Niedziela-Majka A, Maluf NK, Gauss GH, Myong S, Ha T, Waksman G, Lohman TM, J Mol Biol. 2011 Jun 17. PMID: 21704638 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).