4TOI:
reference: Structural basis for the interaction of protein S1 with the Escherichia coli ribosome., Byrgazov K, Grishkovskaya I, Arenz S, Coudevylle N, Temmel H, Wilson DN, Djinovic-Carugo K, Moll I, Nucleic Acids Res. 2014 Dec 15. pii: gku1314. PMID: 25510494

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