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Figure 2.
Figure 2. Similarity the independent PknD sensor domain
structures. The two monomers from the monoclinic crystal form
(P2[1], light blue and dark blue) and the model from the
orthorhombic form (P2[1]2[1]2[1], red) were superimposed. The
C^a rmsd between the three monomers ranged from 0.35-0.52
Å. The high similarity between the three models and the
disorder of the N-terminal 11 residues (dots) implies that the
PknD sensor domain forms a rigid framework that is flexibly
tethered to the predicted transmembrane helix.
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