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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: Mol Microbiol. 2009 May 11;73(1):32–42. doi: 10.1111/j.1365-2958.2009.06730.x

Fig. 1. Dimerization interface of TraR.

Fig. 1

A. Two alpha helices in the N-terminal domain form a coiled coil, and two additional alpha helices in the C-terminal domain form a second coiled coil. These two coiled coils provide the majority of the dimerization interface.

B. A monomer of TraR with the amino acid residues that were mutated in this study.

C. Helical wheel projection of alpha helix 9 and alpha helix 13. Residues depicted in black were altered by site-directed mutagenesis in this study. Positions a to g of the helical wheel projection are encircled and labeled with lower case letters.