3OTO:
reference: Modification of 16S ribosomal RNA by the KsgA methyltransferase restructures the 30S subunit to optimize ribosome function., Demirci H, Murphy F 4th, Belardinelli R, Kelley AC, Ramakrishnan V, Gregory ST, Dahlberg AE, Jogl G, RNA. 2010 Oct 20. PMID: 20962038

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