Article
A p53 amino-terminal nuclear export signal inhibited by DNA damage-induced phosphorylation.
Science (New York, N.Y.) - 8 Jun 2001
Zhang Y, Xiong Y
Abstract excerpt
The p53 protein is present in low amounts in normally growing cells and is activated in response to physiological insults. MDM2 regulates p53 either through inhibiting p53's transactivating function in the nucleus or by targeting p53 degradation in the cytoplasm. We identified a previously unknown nuclear export signal (NES) in the amino terminus of p53, spanning residues 11 to 27 and containing two serine...
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