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Figure 4.
Figure 4. Superimposed C^a atom ribbon diagrams of 16
homeodomains (see the text for a list). The region of high local
RMSD difference between the Bicoid homeodomain (red) and the
rest (grey) is labeled with a red arrow. The Bicoid homeodomain
contains glycine in position 23, which results in reduced
hydrogen-bonding ability to nearby residues and an alteration of
the homeodomain structure when compared to the 15 other
homeodomain structures. The functional significance of this
difference is unknown.
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