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Figure 4.
FIGURE 4. ERR  ·4-OHT·SMRT
complex. The tetrameric assembly containing four of the six
molecules in the asymmetric unit is shown. A ribbon
representation of the ERR monomers is shown with
each monomer shown with a distinct color: yellow, molecule A;
magenta, molecule B; blue, molecule C; and green, molecule D.
The ligand is depicted as a stick figure with orange carbon
atoms. Residues 319-330 of the SMRT peptide are depicted as cyan
ribbons with peptide chain G binding ERR chain A and peptide
chain H binding ERR chain B. The remaining
two molecules in the asymmetric unit form a similar tetramer
with symmetrically related copies of themselves around a
crystallographic 2-fold axis.
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