Effect of Anions on the Binding and Oxidation of Divalent Manganese and Iron in Modified Bacterial Reaction Centers

The influence of different anions on the binding and oxidation of manganous and ferrous cations was studied in four mutants of bacterial reaction centers that can bind and oxidize these metal ions. Light-minus-dark difference optical and electron paramagnetic resonance spectroscopies were applied to...

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Veröffentlicht in:	Biophysical journal 2009-04, Vol.96 (8), p.3295-3304
Hauptverfasser:	Tang, Kai, Williams, JoAnn C., Allen, James P., Kálmán, László
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetates - chemistry Bacteria Bicarbonates - chemistry Binding sites Cations, Divalent - chemistry Chemical bonds Chemical reactions Citrates - chemistry Hydrogen-Ion Concentration Ions Iron Iron - chemistry Kinetics Manganese - chemistry Manganese compounds Mutation Oxidation Oxidation-Reduction Photobiophysics Photosynthetic Reaction Center Complex Proteins - chemistry Photosynthetic Reaction Center Complex Proteins - genetics Spectrum Analysis
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