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. Author manuscript; available in PMC: 2013 Aug 28.
Published in final edited form as: Nat Struct Mol Biol. 2010 Sep 19;17(10):1241–1246. doi: 10.1038/nsmb.1896

Figure 4. Conformational changes at Helix 69 of 23S rRNA induced by E3-rRNase binding and cleavage.

Figure 4

(a) Comparison of H69 in the 70S ribosome with cognate A-tRNA bound and H69 in this structure highlights the conformational changes at nucleoside A1913. (b) Interactions between N-terminal residues Gly1 and Phe2 of E3-rRNAse with H69 of 23S rRNA.