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Mutat Res. 2013 Oct;750(1-2):15-22. doi: 10.1016/j.mrfmmm.2013.07.004. Epub 2013 Jul 27.

Structural mechanisms underlying signaling in the cellular response to DNA double strand breaks.

Author information

1
Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2H7, Canada.

Abstract

DNA double strand breaks (DSBs) constitute one of the most dangerous forms of DNA damage. In actively replicating cells, these breaks are first recognized by specialized proteins that initiate a signal transduction cascade that modulates the cell cycle and results in the repair of the breaks by homologous recombination (HR). Protein signaling in response to double strand breaks involves phosphorylation and ubiquitination of chromatin and a variety of associated proteins. Here we review the emerging structural principles that underlie how post-translational protein modifications control protein signaling that emanates from these DNA lesions.

KEYWORDS:

BRCA1 C-terminal domain; BRCT; BRCT domains; DSB; Double-strand break signaling; FHA domains; FHAf; HR; MRN; Mre11–Rad50–NBS1; OTUB; Phosphorylation signaling; RIDDLE syndrome; UIM; Ubc13; Ubiquitin; double strand break; homologous recombination; orkhead-associated domain.; otubain or ovarian tumor domain protein; radiosensitivity, immunodeficiency, dysmorphic features and learning difficulties; ubiquitin interaction motif

PMID:
23896398
PMCID:
PMC3818410
DOI:
10.1016/j.mrfmmm.2013.07.004
[Indexed for MEDLINE]
Free PMC Article
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