| 3RE6: reference: Evolved streptavidin mutants reveal key role of loop residue in high-affinity binding., Magalhaes ML, Czekster CM, Guan R, Malashkevich VN, Almo SC, Levy M, Protein Sci. 2011 Jul;20(7):1145-54. doi: 10.1002/pro.642. Epub 2011 May, 12. PMID: 21520321 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).