3J5S:
reference: EttA regulates translation by binding the ribosomal E site and restricting ribosome-tRNA dynamics., Chen B, Boel G, Hashem Y, Ning W, Fei J, Wang C, Gonzalez RL Jr, Hunt JF, Frank J, Nat Struct Mol Biol. 2014 Jan 5. doi: 10.1038/nsmb.2741. PMID: 24389465

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