| 3TYK: reference: Structure and function of APH(4)-Ia, a hygromycin B resistance enzyme., Stogios PJ, Shakya T, Evdokimova E, Savchenko A, Wright GD, J Biol Chem. 2011 Jan 21;286(3):1966-75. Epub 2010 Nov 17. PMID: 21084294 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).