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  • Title: Synthetic ligands able to interact with the p53 tetramerization domain. Towards understanding a protein surface recognition event.
    Author: Martinell M, Salvatella X, Fernández-Carneado J, Gordo S, Feliz M, Menéndez M, Giralt E.
    Journal: Chembiochem; 2006 Jul; 7(7):1105-13. PubMed ID: 16795116.
    Abstract:
    The applied interaction of synthetic molecules with defined regions of protein surfaces is an emerging strategy for the modulation of protein activity and/or stability. In spite of recent advances, the design of these molecules is not trivial. Among the most challenging aspects in designing these compounds is that they must compete with water molecules for interaction with polar patches of protein surfaces. Herein is reported the preparation of an arginine-rich peptide that interacts in aqueous solution with a very hydrophilic patch at the surface of the tetramerization domain of the tumor suppressor protein p53. The interaction has been studied by several complementary techniques. By using this peptide as a template, a library of peptides has been prepared and evaluated in order to examine the different factors that contribute to the recognition event. The conclusions extracted from this work could be useful for the design of ligands directed at highly hydrophilic protein surface patches.
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