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Publikováno v:
Journal of the American Chemical Society. 139:16657-16665
Ribonucleotide reductases (RNR) catalyze the reduction of nucleotides to deoxynucleotides through a mechanism involving an essential cysteine based thiyl radical. In the E. coli class 1a RNR the thiyl radical (C439•) is a transient species generate
Autor:
Alexey Silakov, Denise A. Conner, Wei Jiang, Mohammad R. Seyedsayamdost, Bigna Wörsdörfer, Kenichi Yokoyama, J. Martin Bollinger, JoAnne Stubbe, Carsten Krebs, Jovan Livada
Publikováno v:
Journal of the American Chemical Society. 135:8585-8593
The class Ia ribonucleotide reductase (RNR) from Escherichia coli (Ec) employs a free-radical mechanism, which involves bidirectional translocation of a radical equivalent or “hole” over a distance of ∼35 Å from the stable diferric/tyrosyl-rad