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Figure 3.
Fig. 3. A: Ribbon representation of the best representative
structure of the [Fe]-hydrogenase–cytochrome c[3] complex. The
[Fe]-hydrogenase is the left polypeptide chain, the large
subunit is colored in beige; the small subunit is colored in
yellow and the ferredoxin-like domain in blue, the iron
clusters are in green. Cytochrome c[3] is the right polypeptide
chain colored in blue, the heme groups are in red. B: Zoom-in
view of the interface region, highlighting the residues involved
in interatomic contacts within the cytochrome
c[3]–[Fe]-hydrogenase complex. Heme 4 and cytochrome c[3]
residues are labeled in red, distal [4Fe–4S] cluster and
residues of [Fe]-hydrogenase are labeled in green.
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