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Figure 1.
Figure 1 The structure of Hfq. (A) Structure of the Hfq monomer
shown as a ribbon diagram. Secondary structural elements are
labeled, as are the first (N) and last (C) residues observed.
Figures 1A−C, 2B−D, 3A, 4B and C and 6 were made with
Swiss-PdbViewer and rendered with POVRAY (Guex and Peitsch,
1997; POVRAY, Persistence of Vision Raytracer version 3.1
http://www.povray.org). (B) Structure of the Hfq hexamer with
each subunit colored differently. (C) The two Hfq hexamers in
the crystallographic asymmetric unit. This view is rotated
90° to (B) along the vertical axis in the plane of the
paper. Interactions between the two rings are made by residues
from the hydrophobic surface of each hexamer (see Figure 5B).
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