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. Author manuscript; available in PMC: 2008 Jun 1.
Published in final edited form as: J Mol Biol. 2007 Mar 20;369(2):512–524. doi: 10.1016/j.jmb.2007.03.032

Figure 4.

Figure 4

Burst phase assembly step corresponds to Encounter complex formation between SRP19 and the RNA. (A,B) SRP19-RNA assembly was monitored for the native sequence RNA or an A149U mutant that cannot form native RNA-RNA interactions (solid and open symbols, respectively). Arrows indicate burst phases observed with both RNAs. (C) Addition of SRP54 has no effect on the Encounter complex formed between SRP19 and the A149U RNA.