Article
ATM engages autodegradation of the E3 ubiquitin ligase COP1 after DNA damage.
Science (New York, N.Y.) - 25 Aug 2006
Dornan David, Shimizu Harumi, Mah Angie, Dudhela Tanay, Eby Michael, O'rourke Karen, Seshagiri Somasekar, Dixit Vishva M
Abstract excerpt
The ataxia telangiectasia mutated (ATM) protein kinase is a critical component of a DNA-damage response network configured to maintain genomic integrity. The abundance of an essential downstream effecter of this pathway, the tumor suppressor protein p53, is tightly regulated by controlled degradation through COP1 and other E3 ubiquitin ligases, such as MDM2 and Pirh2; however, the signal transduction pathway that...
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