Journal
NATURE STRUCTURAL & MOLECULAR BIOLOGY
Volume 14, Issue 8, Pages 710-715Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nsmb1277
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Funding
- NCI NIH HHS [R01CA089239] Funding Source: Medline
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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.
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