Figure 1 - full size

Figure 1.
FIG. 1. X-ray crystal structure of the ferric derivative of H. thermophilus cytochrome c[552] (PDB code 1YNR [PDB] ). The heme group and the residues His-14, Met-59, Trp-54, and Trp-75 are shown in stick representation. The N- and C-terminal helices are highlighted in red and blue, respectively.