Enhanced subunit interactions with gemcitabine-5'-diphosphate inhibit ribonucleotide reductases.

@article{Wang2007EnhancedSI,
  title={Enhanced subunit interactions with gemcitabine-5'-diphosphate inhibit ribonucleotide reductases.},
  author={Jun Rong Wang and Gregory J S Lohman and Joanne Stubbe},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2007},
  volume={104 36},
  pages={14324-9}
}
Ribonucleotide reductases (RNRs) catalyze the conversion of nucleotides to deoxynucleotides in all organisms. The class I RNRs are composed of two subunits, alpha and beta, with proposed quaternary structures of alpha2beta2, alpha6beta2, or alpha6beta6, depending on the organism. The alpha subunits bind the nucleoside diphosphate substrates and the dNTP/ATP allosteric effectors that govern specificity and turnover. The beta2 subunit houses the diferric Y* (1 radical per beta2) cofactor that is… CONTINUE READING
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