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http://purl.uniprot.org/citations/21335604 | http://www.w3.org/2000/01/rdf-schema#comment | "The tumor suppressor protein BRCA1 is a constituent of several different protein complexes and is required for homology-directed repair (HDR) of DNA double strand breaks (DSBs). The most recently discovered BRCA1-RAP80 complex is recruited to ubiquitin structures on chromatin surrounding the break. Deficiency of any member of this complex confers hypersensitivity to DNA-damaging agents by undefined mechanisms. In striking contrast to other BRCA1-containing complexes that are known to promote HDR, we demonstrate that the BRCA1-RAP80 complex restricts end resection in S/G(2) phase of the cell cycle, thereby limiting HDR. RAP80 or BRCC36 deficiency resulted in elevated Mre11-CtIP-dependent 5' end resection with a concomitant increase in HDR mechanisms that rely on 3' single-stranded overhangs. We propose a model in which the BRCA1-RAP80 complex limits nuclease accessibility to DSBs, thus preventing excessive end resection and potentially deleterious homology-directed DSB repair mechanisms that can impair genome integrity."xsd:string |
http://purl.uniprot.org/citations/21335604 | http://purl.org/dc/terms/identifier | "doi:10.1074/jbc.m110.213728"xsd:string |
http://purl.uniprot.org/citations/21335604 | http://purl.uniprot.org/core/author | "Greenberg R.A."xsd:string |
http://purl.uniprot.org/citations/21335604 | http://purl.uniprot.org/core/author | "Coleman K.A."xsd:string |
http://purl.uniprot.org/citations/21335604 | http://purl.uniprot.org/core/date | "2011"xsd:gYear |
http://purl.uniprot.org/citations/21335604 | http://purl.uniprot.org/core/name | "J Biol Chem"xsd:string |
http://purl.uniprot.org/citations/21335604 | http://purl.uniprot.org/core/pages | "13669-13680"xsd:string |
http://purl.uniprot.org/citations/21335604 | http://purl.uniprot.org/core/title | "The BRCA1-RAP80 complex regulates DNA repair mechanism utilization by restricting end resection."xsd:string |
http://purl.uniprot.org/citations/21335604 | http://purl.uniprot.org/core/volume | "286"xsd:string |
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