alexa The role of tetramerization in p53 function.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Genetic Syndromes & Gene Therapy

Author(s): Chne P

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Abstract The tumour suppressor gene p53 is extensively studied for its importance in cancer. In its active conformation, p53 is tetrameric and one domain - the tetramerization domain - permits the oligomerization of this protein. Until recently, little attention was given to this domain because, in contrast to the DNA-binding domain, it is not often mutated in cancer. However, various experimental studies have shown evidence that the tetramerization domain is essential for DNA binding, protein-protein interactions, post-translational modifications, and p53 degradation. Moreover, single mutations in the tetramerization domain can inactivate the wild-type protein in a manner similar to that seen with mutations in the DNA-binding domain. Interestingly, the phenotype of several tetramerization domain mutants differs from that observed with DNA-binding domain mutants. In this review, current knowledge about the importance of the tetramerization domain to the function of p53 will be summarized. This article was published in Oncogene and referenced in Journal of Genetic Syndromes & Gene Therapy

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