Nature Communications (Feb 2018)

NAD+ analog reveals PARP-1 substrate-blocking mechanism and allosteric communication from catalytic center to DNA-binding domains

  • Marie-France Langelier,
  • Levani Zandarashvili,
  • Pedro M. Aguiar,
  • Ben E. Black,
  • John M. Pascal

DOI
https://doi.org/10.1038/s41467-018-03234-8
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 13

Abstract

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Poly(ADP-ribose) polymerases (PARPs) catalyse ADP-ribose posttranslational modifications using NAD+ as a substrate. Here, the authors present the crystal structure of PARP-1 bound to the non-hydrolyzable NAD+ analog BAD and provide insights into the mechanism of PARP-1 allosteric regulation.