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Conformational proofreading of distant 40S ribosomal subunit maturation events by a long-range communication mechanism

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Mitterer, Valentin ; Shayan, Ramtin ; Ferreira-Cerca, Sébastien ; Murat, Guillaume ; Enne, Tanja ; Rinaldi, Dana ; Weigl, Sarah ; Omanic, Hajrija ; Gleizes, Pierre-Emmanuel ; Kressler, Dieter ; Plisson-Chastang, Celia ; Pertschy, Brigitte
Date of publication of this fulltext: 04 Jul 2019 05:30


Eukaryotic ribosomes are synthesized in a hierarchical process driven by a plethora of assembly factors, but how maturation events at physically distant sites on pre-ribosomes are coordinated is poorly understood. Using functional analyses and cryo-EM, we show that ribosomal protein Rps20 orchestrates communication between two multi-step maturation events across the pre-40S subunit. Our study ...


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