Transient FTIR spectroelectrochemical and stopped-flow detection of a mixed valence (Fe(I)-Fe(II)) bridging carbonyl intermediate with structural elements and spectroscopic characteristics of the di-iron sub-site of all-iron hydrogenase |
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| Authors: | Razavet Mathieu Borg Stacey J George Simon J Best Stephen P Fairhurst Shirley A Pickett Christopher J |
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| Institution: | Department of Biological Chemistry, John Innes Centre, Norwich, UK NR4 7UH. |
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| Abstract: | Iron(I) in biology?: one-electron oxidation of an (Fe(I)-Fe(I)) carbonyl cyanide precursor bearing a proximal thioether group leads to an (Fe(I)-Fe(II)) bridging carbonyl transient with spectral features similar to the di-iron sub-site of the CO inhibited paramagnetic centre of all-iron hydrogenase. |
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