INTS3 controls the hSSB1-mediated DNA damage response


Autoria(s): Skaar, Jeffrey R.; Richard, Derek J.; Saraf, Anita; Toschi, Alfredo; Bolderson, Emma; Florens, Laurence; Washburn, Michael P.; Khanna, Kum Kum; Pagano, c
Data(s)

2009

Resumo

Human SSB1 (single-stranded binding protein 1 [hSSB1]) was recently identified as a part of the ataxia telangiectasia mutated (ATM) signaling pathway. To investigate hSSB1 function, we performed tandem affinity purifications of hSSB1 mutants mimicking the unphosphorylated and ATM-phosphorylated states. Both hSSB1 mutants copurified a subset of Integrator complex subunits and the uncharacterized protein LOC58493/c9orf80 (henceforth minute INTS3/hSSB-associated element [MISE]). The INTS3–MISE–hSSB1 complex plays a key role in ATM activation and RAD51 recruitment to DNA damage foci during the response to genotoxic stresses. These effects on the DNA damage response are caused by the control of hSSB1 transcription via INTS3, demonstrating a new network controlling hSSB1 function.

Formato

application/pdf

Identificador

http://eprints.qut.edu.au/40632/

Publicador

Rockefeller University Press

Relação

http://eprints.qut.edu.au/40632/1/40632.pdf

DOI:10.1083/jcb.200907026

Skaar, Jeffrey R., Richard, Derek J., Saraf, Anita, Toschi, Alfredo, Bolderson, Emma, Florens, Laurence, Washburn, Michael P., Khanna, Kum Kum, & Pagano, c (2009) INTS3 controls the hSSB1-mediated DNA damage response. The Journal of Cell Biology, 187(1), pp. 25-32.

Direitos

Copyright 2009 The Authors

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Fonte

Faculty of Science and Technology

Palavras-Chave #060100 BIOCHEMISTRY AND CELL BIOLOGY #ataxia telangiectasia mutated #homologous recombination #minute INTS3/hSSB-associated element
Tipo

Journal Article