Probing the conformational diversity of cancer-associated mutations in p53 with ion-mobility mass spectrometry

Ewa Jurneczko, Faye Cruickshank, Massimiliano Porrini, David J. Clarke, Iain D G Campuzano, Michael Morris, Penka V. Nikolova, Perdita E. Barran

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Conformational flexibility: The DNA-binding domain of tumor suppressor protein p53 (see picture) is characterized by using ion-mobility mass spectrometry. Wild-type p53 and common single-point carcinogenic mutations exhibit diverse conformational states upon transfer into a solvent-free environment of the mass spectrometer. DNA-binding properties of wild-type p53 and an engineered second-site suppressor mutation H115N were also investigated. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Original languageEnglish
    Pages (from-to)4370-4374
    Number of pages4
    JournalAngewandte Chemie - International Edition
    Volume52
    Issue number16
    DOIs
    Publication statusPublished - 15 Apr 2013

    Keywords

    • conformation analysis
    • DNA
    • mass spectrometry
    • p53 protein
    • protein structures

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