A comparative picosecond-resolved fluorescence study of tryptophan residues in iron-sulfur proteins.


The fluorescence intensity and anisotropy decays of the intrinsic tryptophan emission from six Fe/S proteins (ranging from the very simplest ones to enzyme complexes containing one, two or more Trp residues) were measured. All proteins were examined in the reduced and the oxidized state. In either redox state each protein exhibits ultrarapid tryptophan… (More)


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