The crystal structure of the liganded form of a cytochrome c' shows significant structural changes that may be connected with dimer dissociation while NMR studies show how a single electron can cause a large repositioning of a cytochrome P450 substrate.
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Poulos, T. Ligands and electrons and haem proteins. Nat Struct Mol Biol 3, 401–403 (1996). https://doi.org/10.1038/nsb0596-401
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DOI: https://doi.org/10.1038/nsb0596-401
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