| 2IHX: reference: Solution Structure of the Rous Sarcoma Virus Nucleocapsid Protein: muPsi RNA Packaging Signal Complex., Zhou J, Bean RL, Vogt VM, Summers M, J Mol Biol. 2007 Jan 12;365(2):453-67. Epub 2006 Oct 10. PMID: 17070546 |
This OCA 
Structure page
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(documentation).