Isolation and Characterization of Monomeric Human RAD51: A Novel Tool for Investigating Homologous Recombination in Cancer

Abstract: DNA repair protein RAD51 is a key player in the homologous recombination pathway. Upon DNA damage, RAD51 is transported into the nucleus by BRCA2, where it can repair DNA double‐strand breaks. Due to the structural complexity and dynamics, researchers have not yet clarified the mechanistic details of every step of RAD51 recruitment and DNA repair. RAD51 possesses an intrinsic tendency to form oligomeric structures, which make it challenging to conduct biochemical and biophysical investigations. Here, for the first time, we report on the isolation and characterization of a human monomeric RAD51 recombinant form, obtained through a double mutation, which preserves the protein's integrity and functionality. We investigated different buffers to identify the most suitable condition needed to definitively stabilize the monomer. The monomer of human RAD51 provides the community with a unique biological tool for investigating RAD51‐mediated homologous recombination, and paves the way for more reliable structural, mechanistic, and drug discovery studies.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Isolation and Characterization of Monomeric Human RAD51: A Novel Tool for Investigating Homologous Recombination in Cancer ; day:20 ; month:11 ; year:2023 ; extent:14
Angewandte Chemie / International edition. International edition ; (20.11.2023) (gesamt 14)

Urheber
Rinaldi, Francesco
Schipani, Fabrizio
Balboni, Beatrice
Catalano, Federico
Marotta, Roberto
Myers, Samuel H.
Previtali, Viola
Veronesi, Marina
Scietti, Luigi
Cecatiello, Valentina
Pasqualato, Sebastiano
Ortega, Jose Antonio
Girotto, Stefania
Cavalli, Andrea

DOI
10.1002/anie.202312517
URN
urn:nbn:de:101:1-2023112114093444263633
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:29 MESZ

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Beteiligte

  • Rinaldi, Francesco
  • Schipani, Fabrizio
  • Balboni, Beatrice
  • Catalano, Federico
  • Marotta, Roberto
  • Myers, Samuel H.
  • Previtali, Viola
  • Veronesi, Marina
  • Scietti, Luigi
  • Cecatiello, Valentina
  • Pasqualato, Sebastiano
  • Ortega, Jose Antonio
  • Girotto, Stefania
  • Cavalli, Andrea

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