6W7M:
reference: Alternative Conformations and Motions Adopted by 30S Ribosomal Subunits Visualized by Cryo-Electron Microscopy., Jahagirdar D, Jha V, Basu K, Gomez-Blanco J, Vargas J, Ortega J, RNA. 2020 Sep 28. pii: rna.075846.120. doi: 10.1261/rna.075846.120. PMID: 32989043

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