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Figure 1
(a) Comparison of the Fe K-edge EXAFS data (inset) and their corresponding Fourier transforms for resting ferric forms of hemoglobin (black line) (Wilson et al., 2013BB31), MauG (a heme-containing methyl­amine utilization protein) (red line) (Jensen et al., 2012BB19), CCP (cytochrome c peroxidase) (blue line) (Jensen et al., 2012BB19) and HO2 (heme oxygenase-2). (b) Structural schematic of the active site. The structures differ in the peripheral R groups, which are located ∼5 Å from the Fe center and have negligible contribution to the EXAFS data. These R groups have been truncated to methyl groups for simplicity of presentation.

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