Insights from xanthine and uracil DNA glycosylase activities of bacterial and human SMUG1: switching SMUG1 to UDG.

@article{Mi2009InsightsFX,
  title={Insights from xanthine and uracil DNA glycosylase activities of bacterial and human SMUG1: switching SMUG1 to UDG.},
  author={Rongjuan Mi and L. Dong and Trupta Kaulgud and K. Hackett and B. Dominy and Weiguo Cao},
  journal={Journal of molecular biology},
  year={2009},
  volume={385 3},
  pages={
          761-78
        }
}
Single-strand-selective monofunctional uracil DNA glycosylase (SMUG1) belongs to Family 3 of the uracil DNA glycosylase (UDG) superfamily. Here, we report that a bacterial SMUG1 ortholog in Geobacter metallireducens (Gme) and the human SMUG1 enzyme are not only UDGs but also xanthine DNA glycosylases (XDGs). In addition, mutational analysis and molecular dynamics (MD) simulations of Gme SMUG1 identify important structural determinants in conserved motifs 1 and 2 for XDG and UDG activities… Expand
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