Article
Effect of anions on the binding and oxidation of divalent manganese and iron in modified bacterial reaction centers.
Biophysical journal - 22 Apr 2009
Tang Kai, Williams Joann C, Allen James P, Kálmán László
Abstract excerpt
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 monitor electron transfer from bound divalent metal ions to the photo-oxidized bacteriochlorophyll dimer in the...
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