Figure 5 - full size

Figure 5.
Fig. 5. Stereo view of selected amino acid residues in the polypeptide environment of the [2Fe] subcluster of HC (colors as in Fig. 2). The [4Fe-4S] subcluster and associated ligand are included to provide the proper perspective and are indicated in light gray. C, Cys; F, Phe; K, Lys; S, Ser; M, Met.