| 4AGR: reference: Structure of a tetrameric galectin from Cinachyrella sp. (ball sponge)., Freymann DM, Nakamura Y, Focia PJ, Sakai R, Swanson GT, Acta Crystallogr D Biol Crystallogr. 2012 Sep;68(Pt 9):1163-74. Epub 2012 Aug 18. PMID: 22948917 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).