5IW7:
reference: Pre-40S ribosome biogenesis factor Tsr1 is an inactive structural mimic of translational GTPases., McCaughan UM, Jayachandran U, Shchepachev V, Chen ZA, Rappsilber J, Tollervey D, Cook AG, Nat Commun. 2016 Jun 2;7:11789. doi: 10.1038/ncomms11789. PMID: 27250689

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