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Figure 4.
Figure 4. Domain structure of 9Hcc from D. desulfuricans ATCC
27774, established on the basis of comparison with the known
structure of the tetrahaem cytochrome c[3] from the same
organism. The different domains of the structure are
colour-coded: the c[3]-like tetrahaem region of the N-terminal
domain is represented in yellow (residues 1–107 and
125–132); the insertion containing the isolated haem-binding
region is drawn in cyan (residues 108–124); the polypeptide
segment connecting the two domains is represented in green
(residues 133–176); the c[3]-like tetrahaem region of the
C-terminal domain is in red (residues 177–205 and 224–292);
and the insertion containing the second axial ligand of the
isolated haem is shown in purple (residues 206–223).
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