Inhibition of ATM kinase activity does not phenocopy ATM protein disruption

Abstract excerpt

Biallelic mutations in ataxia-telangiectasia mutated (ATM), which encodes for a protein kinase, cause ataxia telangiectasia (A-T). A-T is a pleiotropic disease, with a characteristic hypersensitivity to ionizing radiation (IR). A-T patients typically lack both detectable ATM protein and ATM kinase activity, and small molecule inhibitors of ATM kinase activity have been developed as strategies to improve...

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