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Are we there yet?

After years of waiting, the road map for the path of the mRNA on the ribosome with its associated tRNAs has been completed. In contrast to the amino-acid-coding nucleotides of the body of the mRNA, the Shine-Delgarno region appears to take an unexpected turn on the surface of the 30S subunit in the transition from the initiation complex to the postinitiation complex.

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Figure 1: Conformations of the Shine-Delgarno region of the mRNA during translation.

Kim Caesar

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Merrick, W. Are we there yet?. Nat Chem Biol 3, 19–20 (2007). https://doi.org/10.1038/nchembio0107-19

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