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Figure 2.
Fig. 2. Schematic representation of the hydrogen-bonding
network coordinating MGD^801 and MGD^802. Residues are
color-coded according to sequence conservation^ among the known
sequences of MGD-containing FDH enzymes (11):^ magenta,
invariant; blue, well conserved; and green, not conserved.^ The
eight water molecules involved in hydrogen-bonding interactions^
are designated by orange circles. Hydrogen bonds present in the^
oxidized state, the reduced state, or both states are
represented^ by blue, red, or black dashed lines, respectively.
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