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. 2013 May 21;41(14):7073–7083. doi: 10.1093/nar/gkt423

Figure 5.

Figure 5.

Temperature maps of the 23S rRNA in the 45S intermediates. (A) Cartoon representation of the 23S rRNA, with its domains colored separately. (B–G) Temperature maps of the domains of the 23S rRNA, colored according to their deviations from the conformation of the mature 50S subunit. For simplification, only I-a (B–D) and II-a (E-G) states are shown. Individual rRNA helices are labeled. The rRNA helices that are not well resolved in cryo-EM maps are colored black (highly flexible). CP, central protuberance; L7/L12 SB, L7/L12 stalk base.