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Figure 4.
FIGURE 4. The HemS conformational switch between apo, open
state and liganded, closed state. The superposition was prepared
as in Fig. 3. The heme complex is shown in green, and the
apo-structure is shown in gold. The superposition shows the
global interdomain movements in HemS that effectively clamp the
ligand in the binding site. N-domain, N-terminal domain;
C-domain, C-terminal domain.
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