Article
Destabilizing missense mutations in the tumour suppressor protein p53 enhance its ubiquitination in vitro and in vivo.
The Biochemical journal - 15 Jul 2006
Shimizu Harumi, Saliba David, Wallace Maura, Finlan Lee, Langridge-Smith Patrick R R, Hupp Ted R
Abstract excerpt
p53 ubiquitination catalysed by MDM2 (murine double minute clone 2 oncoprotein) provides a biochemical assay to dissect stages in E3-ubiquitin-ligase-catalysed ubiquitination of a conformationally flexible protein. A mutant form of p53 (p53(F270A)) containing a mutation in the second MDM2-docking site in the DNA-binding domain of p53 (F270A) is susceptible to modification of long-lived and high-molecular-mass...
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