The dynamic nature of the Mre11-Rad50 DNA break repair complex

Mahtab Beikzadeh, Michael P. Latham

Research output: Contribution to journalArticlepeer-review

Abstract

The Mre11-Rad50-Nbs1/Xrs2 protein complex plays a pivotal role in the detection and repair of DNA double strand breaks. Through traditional and emerging structural biology techniques, various functional structural states of this complex have been visualized; however, relatively little is known about the transitions between these states. Indeed, it is these structural transitions that are important for Mre11-Rad50-mediated DNA unwinding at a break and the activation of downstream repair signaling events. Here, we present a brief overview of the current understanding of the structure of the core Mre11-Rad50 complex. We then highlight our recent studies emphasizing the contributions of solution state NMR spectroscopy and other biophysical techniques in providing insight into the structures and dynamics associated with Mre11-Rad50 functions.

Original languageEnglish
Pages (from-to)14-22
Number of pages9
JournalProgress in Biophysics and Molecular Biology
Volume163
DOIs
StatePublished - Aug 2021

Keywords

  • Allostery
  • DNA double Strand break repair
  • DNA repair
  • Methyl TROSY
  • Mre11-Rad50-Nbs1
  • NMR spectroscopy

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