SGD Paper 
Flott S, et al. (2011) Regulation of Rad51 function by phosphorylation.LID - 10.1038/embor.2011.127 [doi] EMBO Rep ()
Abstract: Rad51 is a key enzyme involved in DNA double-strand break repair by homologous recombination. Here, we show that in response to DNA damage, budding yeast Rad51 is phosphorylated on Ser 192 in a manner that is primarily mediated by the DNA-damage-responsive protein kinase Mec1. We show that mutating Rad51 Ser 192 to Ala or Glu confers hypersensitivity to DNA damage and homologous-recombination defects. Furthermore, biochemical analyses indicate that Ser 192 is required for Rad51 adenosine triphosphate hydrolysis and DNA-binding activity in vitro, whereas mutation of Ser 192 does not interfere with Rad51 multimer formation. These data suggest a model in which Mec1-mediated phosphorylation of Rad51 Ser 192 in response to DNA damage controls Rad51 activity and DNA repair by homologous recombination.
| Status: Epub ahead of print | Type: Journal Article | PubMed ID: 21738226 |
Topics addressed in this paper
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| Topics | Genes linked to topics |
|---|---|
| RAD51 | |
| Additional Literature |  |
| Protein Processing/Modification/Regulation | |
| Strains/Constructs | |
