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. 2011 Oct 3;6(10):e25296. doi: 10.1371/journal.pone.0025296

Figure 2. Comparison of 11-mer and 12-mer TRAP assemblies.

Figure 2

(A) Dimers of B. halodurans TRAP (red and yellow) and wild-type B. stearothermophilus TRAP (both subunits in blue) were least-square fitted using main chain atoms of single subunit (shown on the right). Cα-models are shown with the segment 72–75 highlighted by wide traces. View is from outside the TRAP ring toward its center with the central rotation axis vertical. The inter-subunit rotational axis relating the 11-mer and 12-mer oligomers is shown by dashed line. (B, C, and D) Comparison of the C-terminus conformation in 11-mer and 12-mer TRAP. C-terminal residues starting from 71 and residues stabilizing the conformation of the C-terminus are shown by sticks, the rest of the subunit interface is shown by ribbons.