Article
Nbs1 Converts the Human Mre11/Rad50 Nuclease Complex into an Endo/Exonuclease Machine Specific for Protein-DNA Adducts.
Molecular cell - 3 Nov 2016
Deshpande Rajashree A, Lee Ji-Hoon, Arora Sucheta, Paull Tanya T
Abstract excerpt
The human Mre11/Rad50/Nbs1 (hMRN) complex is critical for the sensing, processing, and signaling of DNA double-strand breaks. The nuclease activity of Mre11 is essential for mammalian development and cell viability, although the regulation and substrate specificity of Mre11 have been difficult to define. Here we show that hMRN catalyzes sequential endonucleolytic and exonucleolytic activities on both 5' and 3'...
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