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Figure 1.
Fig. 1. Comparison of the sequences near the low
potential [4Fe-4S]2+/+ clusters of three structurally
characterized ferredoxins: AvFdI (Protein Data Bank code 7FD1),
PaFd (Protein Data Bank code 1DUR), CvFd (Protein Data Bank code
1BLU), and AvFdIII. Amino acids in blue represent mutations
previously characterized (29). The amino acids in red represent
the residues of interest in this study. Cluster numbers refer to
the position of the cluster relative to the NH[2] terminus of
the protein.
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