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. Author manuscript; available in PMC: 2012 May 20.
Published in final edited form as: J Mol Biol. 2011 Mar 31;408(5):815–824. doi: 10.1016/j.jmb.2011.03.046

Fig. 1.

Fig. 1

Electron micrographs of RecA-DNA filaments (a) and RecAΔC17-DNA filaments (b) show strong periodic striations that arise from the one-start right handed RecA filament helix. These striations disappear when DinI is added to wt-RecA (c) or RecAΔC17 filaments (d).