Article
A stable human p53 heterotetramer based on constructive charge interactions within the tetramerization domain.
The Journal of biological chemistry - 24 Jan 2003
Brokx Richard D, Bolewska-Pedyczak Eleonora, Gariépy Jean
Abstract excerpt
The human p53 tetramerization domain (called p53tet; residues 325-355) spontaneously forms a dimer of dimers in solution. Hydrophobic interactions play a major role in stabilizing the p53 tetramer. However, the distinctive arrangement of charged residues at the dimer-dimer interface suggests that they also contribute to tetramer stability. Charge-reversal mutations at positions 343, 346, and 351 within the...
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