4U67:
reference: The Ribosomal Protein uL22 Modulates the Shape of the Protein Exit Tunnel., Wekselman I, Zimmerman E, Davidovich C, Belousoff M, Matzov D, Krupkin M, Rozenberg H, Bashan A, Friedlander G, Kjeldgaard J, Ingmer H, Lindahl L, Zengel JM, Yonath A, Structure. 2017 Aug 1;25(8):1233-1241.e3. doi: 10.1016/j.str.2017.06.004. Epub, 2017 Jul 6. PMID: 28689968

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