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Nat Struct Mol Biol. 2007 Aug;14(8):710-5. Epub 2007 Jul 22.

CCDC98 is a BRCA1-BRCT domain-binding protein involved in the DNA damage response.

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  • 1Department of Therapeutic Radiology, Yale University School of Medicine, P.O. Box 208040, New Haven, Connecticut 06520, USA.

Abstract

The product of the breast cancer-1 gene, BRCA1, plays a crucial part in the DNA damage response through its interactions with many proteins, including BACH1, CtIP and RAP80. Here we identify a coiled-coil domain-containing protein, CCDC98, as a BRCA1-interacting protein. CCDC98 colocalizes with BRCA1 and is required for the formation of BRCA1 foci in response to ionizing radiation. Moreover, like BRCA1, CCDC98 has a role in radiation sensitivity and damage-induced G2/M checkpoint control. Together, these results suggest that CCDC98 is a mediator of BRCA1 function involved in the mammalian DNA damage response.

PMID:
17643122
[PubMed - indexed for MEDLINE]
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