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. Author manuscript; available in PMC: 2010 Feb 20.
Published in final edited form as: J Mol Biol. 2008 Dec 30;386(2):554–568. doi: 10.1016/j.jmb.2008.12.057

Figure 3.

Figure 3

Figure 3

Figure 3

Figure 3

(A) TraI-CT forms a domain-swapped dimer in the asymmetric unit. Each monomer is oriented with the N-terminus (α-Domain) of one monomer contacting the C-terminus (α/β-Domain) of the other monomer. (B) An domain-swapped tetramer is also generated between symmetry-related dimers. Each monomer is oriented with the N-terminus towards the core of the tetramer and the C-terminus at the edge (orange interacts with blue, and purple with yellow). Two monomeric forms of the TraI C-terminus can be modeled: extended (C) and globular (D).