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. 1999 Oct 26;96(22):12345–12349. doi: 10.1073/pnas.96.22.12345

Figure 4.

Figure 4

Change in protein accessibility as a result of the association of 30S and 50S subunits. The complexes of the 30S subunit with protein Y were labeled with the use of hot tritium bombardment technique before and after the association with the large subunit. Differences in accessibility of individual 30S proteins are shown as percentage of their accessibility in the associated ribosome state (70S), relative to the dissociated ribosome state (30S+50S). Bars plotted below the “zero” line show a decrease in accessibility of a corresponding protein on the 50S subunit attachment.