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Figure 1.
Figure 1: Overall structure. Front view of the
ModB[2]C[2]A complex in ribbon representation, with the ModB
subunits coloured yellow and blue, the ModC subunits coloured
green and magenta, the binding protein ModA coloured red, and
with bound tungstate in van der Waals representation (yellow
and blue spheres). The grey box depicts the probable location
of the lipid bilayer on the basis of the hydrophobicity of the
protein surface. N, amino terminus; C, carboxy terminus. Note
that there is a vertical two-fold molecular and
non-crystallographic symmetry axis for ModB[2]C[2].
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