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Cited by 445

The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.

Ubc13/Rnf8 ubiquitin ligases control foci formation of the Rap80/Abraxas/Brca1/Brcc36 complex in response to DNA damage

Open access
Wang, Bin, Elledge, Stephen J.·2007·Proceedings of the National Academy of Sciences

Abstract

The Brca1 A complex contains Brca1/Bard1, Abraxas, Rap80, and Brcc36; however, with the exception of the Brca1–Abraxas interaction, how the A complex is assembled is not known. The A complex is localized to sites of DNA damage through the UIM domains of RAP80, which bind K63-linked polyubiquitin chains. In this study, we identified an FHA domain RING finger E3 ubiquitin ligase, RNF8, and an E2-conjugating enzyme known to form K63–polyubiquitin chains, Ubc13, each of which is required to recruit the Brca1 A complex to sites of DNA damage. Rnf8 localizes to sites of DNA damage through an FHA-domain-containing region. We found that Rap80 contains an Abraxas interaction domain [AIR (Abraxas-interacting region)], required for association of Rap80 with Abraxas, Brca1, and Brcc36. Abraxas and Brcc36 associate through coiled-coil domains on each protein. These data suggest a model through which Ubc13 and Rnf8 are recruited to sites of DNA damage through DNA-damage-induced phosphorylation of a chromatin-associated protein and generate polyubiquitin chains that then recruit Rap80 and the entire Brca1 A complex to DNA-damage foci. This sequential E3 ubiquitin ligase recruitment constitutes a ubiquitin ligase cascade required for DNA repair and checkpoint signaling.

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Metadata

Authors
Wang, B., & Elledge, S. J.
Venue
Proceedings of the National Academy of Sciences
Published
2007-12-26
Volume
104
Issue
52
Pages
20759-20763
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2058471321
Cited by
445
References
11
FWCI
15.92
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Ubc13/Rnf8 ubiquitin ligases control foci formation of the Rap80/Abraxas/Brca1/Brcc36 complex in response to DNA damage. https://app.cochat.ai/papers/10.1073/pnas.0710061104
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Wang, B., & Elledge, S. J. (2007). Ubc13/Rnf8 ubiquitin ligases control foci formation of the Rap80/Abraxas/Brca1/Brcc36 complex in response to DNA damage. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0710061104

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