Article
c-Abl phosphorylates E6AP and regulates its E3 ubiquitin ligase activity.
Biochemistry - 7 May 2013
Chan Ai-Leen, Grossman Tamar, Zuckerman Valentina, Campigli Di Giammartino Dafne, Moshel Ofra, Scheffner Martin, Monahan Brendon, Pilling Pat, Jiang Yong-Hui, Haupt Sue, Schueler-Furman Ora, Haupt Ygal
Abstract excerpt
In human papillomavirus (HPV)-infected cells, the p53 tumor suppressor is tightly regulated by the HPV-E6-E6AP complex, which promotes it for proteasomal degradation. We previously demonstrated that c-Abl tyrosine kinase protects p53 from HPV-E6-E6AP complex-mediated ubiquitination and degradation under stress conditions. However, the underlying mechanism was not defined. In this study, we explored the...
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