The repair of double-strand DNA breaks by homologous recombination requires resection of the DNA ends. Here the authors show that in Schizosaccharomyces pombe and human cells, Wdr70 is recruited as part of the CRL4 complex to promote ubiquitination of H2B and allow Exo1-mediated resection.
- Ming Zeng
- Laifeng Ren
- Cong Liu