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  • Title: [Ribosome recycling revisited].
    Author: Vesper O, Wilson DN.
    Journal: Mol Biol (Mosk); 2006; 40(4):742-50. PubMed ID: 16913233.
    Abstract:
    Ribosome recycling involves the coordinated action of the ribosome recycling factor (RRF), elongation factor EF-G and initiation factor IF3 to disassemble the post-termination complex, recycling the components for the next round of translation. The crystal structure of domain I of RRF (RRF-DI) in complex with the large ribosomal subunit from the eubacteria Deinococcus radiodurans at high resolution reveals the nature and details of the interactions between this protein factor and rRNA/protein components of the ribosome. Universally conserved arginine residues within the RRF-DI establish important interactions with nuleotides of the 23S rRNA, explaining why mutations at these positions abolish factor binding. Furthermore, in conjunction with cryo-EM reconstruction, the X-ray analysis provides a structural complement to the recent biochemical data, offering additional insight into the mechanism of ribosome recycling.
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