| 3FEX: reference: The molecular basis for the regulation of the cap-binding complex by the importins., Dias SM, Wilson KF, Rojas KS, Ambrosio AL, Cerione RA, Nat Struct Mol Biol. 2009 Sep;16(9):930-7. Epub 2009 Aug 9. PMID: 19668212 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).