p53 proteins with altered tetramerization domains

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues

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435 71, 435 697, 4353201, 536 231, 530352, 530358, C07K 1400, G01N 3353, C07H 2104, C12N 1563

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active

057213402

ABSTRACT:
The present invention provides p53 proteins with altered tetramerization domains that retain wild-type p53 function, and the ability to form tetramers and have at least one of the following characteristics: (1) do not hetero-oligomerize with wild-type p53 or tumor-derived p53 mutants, and (2) restricted DNA binding specificity from an alteration in the way that the tetramerization domain orients the DNA binding domains of a p53 tetramer relative to one another. The invention also provides nucleic acids encoding the above proteins and methods of enhancing the cellular response to DNA damaging agents, treating diseases characterized by abnormal cell proliferation, and inducing immune tolerance to facilitate transplants and treatment of autoimmune disease, by administration of proteins of the invention or nucleic acid sequences encoding the proteins of the invention.

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