| 5T1O: reference: Structure of the NPr:EINNtr Complex: Mechanism for Specificity in Paralogous Phosphotransferase Systems., Strickland M, Stanley AM, Wang G, Botos I, Schwieters CD, Buchanan SK, Peterkofsky A, Tjandra N, Structure. 2016 Dec 6;24(12):2127-2137. doi: 10.1016/j.str.2016.10.007. Epub 2016, Nov 10. PMID: 27839951 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).