| 3HMG: reference: Refinement of the influenza virus hemagglutinin by simulated annealing., Weis WI, Brunger AT, Skehel JJ, Wiley DC, J Mol Biol 1990 Apr 20;212(4):737-61. PMID: 2329580 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).