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Nat Struct Mol Biol. 2007 Aug;14(8):716-20. Epub 2007 Jul 22.

CCDC98 targets BRCA1 to DNA damage sites.

Author information

1
Division of Molecular Medicine and Genetics, Department of Internal Medicine, University of Michigan Medical School, 109 Zina Pitcher Place, BSRB 1520, Ann Arbor, Michigan 48109, USA.

Abstract

Breast cancer-1 (BRCA1) participates in the DNA damage response. However, the mechanism by which BRCA1 is recruited to DNA damage sites remains elusive. Recently, we have demonstrated that a ubiquitin-binding protein, RAP80, is required for DNA damage-induced BRCA1 translocation. Here we identify another component, CCDC98, in the BRCA1-RAP80 complex. CCDC98 mediates BRCA1's association with RAP80. Moreover, CCDC98 controls both DNA damage-induced formation of BRCA1 foci and BRCA1-dependent G2/M checkpoint activation. Together, our results demonstrate that CCDC98 is a BRCA1 binding partner that mediates BRCA1 function in response to DNA damage.

PMID:
17643121
DOI:
10.1038/nsmb1279
[Indexed for MEDLINE]

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