Article
Multiple sites of in vivo phosphorylation in the MDM2 oncoprotein cluster within two important functional domains.
FEBS letters - 28 Jul 2000
Hay T J, Meek D W
Abstract excerpt
The MDM2 oncoprotein is a negative regulatory partner of the p53 tumour suppressor. MDM2 mediates ubiquitination of p53 and targets the protein to the cytoplasm for 26S proteosome-dependent degradation. In this paper, we show that MDM2 is modified in cultured cells by multisite phosphorylation. Deletion analysis of MDM2 indicated that the sites of modification fall into two clusters which map respectively within...
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