Article
Interplay of Mre11 nuclease with Dna2 plus Sgs1 in Rad51-dependent recombinational repair.
PloS one - 1 Jan 2009
Budd Martin E, Campbell Judith L
Abstract excerpt
The Mre11/Rad50/Xrs2 complex initiates IR repair by binding to the end of a double-strand break, resulting in 5' to 3' exonuclease degradation creating a single-stranded 3' overhang competent for strand invasion into the unbroken chromosome. The nuclease(s) involved are not well understood. Mre11 encodes a nuclease, but it has 3' to 5', rather than 5' to 3' activity. Furthermore, mutations that inactivate only...
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