Article
The DNA damage-inducible UbL-UbA protein Ddi1 participates in Mec1-mediated degradation of Ho endonuclease.
Molecular and cellular biology - 1 Jul 2005
Kaplun Ludmila, Tzirkin Regina, Bakhrat Anya, Shabek Nitzan, Ivantsiv Yelena, Raveh Dina
Abstract excerpt
Ho endonuclease initiates a mating type switch by making a double-strand break at the mating type locus, MAT. Ho is marked by phosphorylation for rapid destruction by functions of the DNA damage response, MEC1, RAD9, and CHK1. Phosphorylated Ho is recruited for ubiquitylation via the SCF ubiquitin ligase complex by the F-box protein, Ufo1. Here we identify a further DNA damage-inducible protein, the UbL-UbA...
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