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Carbohydrates

Translation from sticky to sweet

Bacterial translation elongation factor P (EF-P) is essential to overcome ribosome stalling at polyproline stretches during protein synthesis. A new mechanism of EF-P activation, identified in a subset of Bacteria, involves addition of the sugar L-rhamnose to a critical arginine residue.

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Figure 1: Modifications of eukaryotic IF5A and of bacterial EF-P.

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Correspondence to Michela G Tonetti.

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Tonetti, M. Translation from sticky to sweet. Nat Chem Biol 11, 243–244 (2015). https://doi.org/10.1038/nchembio.1773

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