2il9

Crystal Structure of Plautia Stali Intestine Virus Intergenic Region Internal Ribosome Entry Site Ribosomal Binding Domain RNA at 3.1 Angstroms

spinqualitylabelsall models 2il9, resolution 3.10Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2il9 is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed Canonical cap-dependent translation initiation requires a large number of protein factors that act in a stepwise assembly process. In contrast, internal ribosomal entry sites (IRESs) are cis-acting RNAs that in some cases completely supplant these factors by recruiting and activating the ribosome using a single structured RNA. Here we present the crystal structures of the ribosome-binding domain from a Dicistroviridae intergenic region IRES at 3.1 angstrom resolution, providing a view of the prefolded architecture of an all-RNA translation initiation apparatus. Docking of the structure into cryo-electron microscopy reconstructions of an IRES-ribosome complex suggests a model for ribosome manipulation by a dynamic IRES RNA. Structural basis for ribosome recruitment and manipulation by a viral IRES RNA.,Pfingsten JS, Costantino DA, Kieft JS Science. 2006 Dec 1;314(5804):1450-4. Epub 2006 Nov 23. PMID:17124290 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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