The binding characteristics of the cytochrome c iron. |
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| Authors: | A Schejter and B Plotkin |
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| Affiliation: | Lady Davis Chair of Biochemistry, Sackler Institute of Molecular Medicine, Sackler Medical School, Tel Aviv University, Israel. |
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| Abstract: | A comparison of the binding properties of myoglobin and cytochrome c shows that the latter, in the reduced state, has an unusually large affinity for ligands, including thioethers. This explains the outstanding stability of the methionine-iron bond of ferrous cytochrome c, and results from the intrinsic ability of the cytochrome c iron to delocalize its electrons into orbitals of the sixth axial ligand. |
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