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Figure 2.
Fig. 2. Docking of the atomic model of MxiH into the EM
density of the Shigella T3SS needle. (A) Molecule A of MxiH
(ribbon) with the modeled N-terminal helix (cylinder) is shown
as two views rotated by 90° about the long axis of the
molecule. (B) End-on view of a 40-Å-thick section of the
assembled needle. Each MxiH monomer is shown as in A and colored
differently, starting from red and circling the needle to
purple. EM density is shown as a blue mesh. (C) Stereo diagram
of the side view of the assembled needle, colored as for B. Note
that B and C are not shown at the same scale, and the needle
assembly has an exterior diameter of  70 Å (16).
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