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Dispersive interactions govern strong thermal stability of a protein

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F07%3A00022789" target="_blank" >RIV/00216224:14310/07:00022789 - isvavai.cz</a>

  • Alternative codes found

    RIV/61388963:_____/07:00091972

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Dispersive interactions govern strong thermal stability of a protein

  • Original language description

    Rubredoxin from the hyperthermophile Pyrococcus furiosus (Pf Rd) is an extremely thermostable protein, which makes it an attractive subject of protein folding and stability studies. A fundamental question arises of what the reason for such extreme stability is and how it can be elucidated from a complex set of inter-atomic interactions. We addressed this issue first theoretically through a computational analysis of the hydrophobic core of the protein and its mutants including the interactions taking place inside the core. Here we show that a single mutation of one phenylalanine's residues inside the protein's hydrophobic core results in a dramatic decrease in its thermal stability. The calculated unfolding Gibbs energy as well as the stabilisation energy differences between a few core residues follow the same trend as the melting temperature of protein variants determined experimentally by microcalorimetry measurements. NMR experiments have shown that the only part of the protein affec

  • Czech name

    Disperzní interakce determinují velkou termální stabilitu proteinu

  • Czech description

    Rubredoxin from the hyperthermophile Pyrococcus furiosus (Pf Rd) is an extremely thermostable protein, which makes it an attractive subject of protein folding and stability studies. A fundamental question arises of what the reason for such extreme stability is and how it can be elucidated from a complex set of inter-atomic interactions. We addressed this issue first theoretically through a computational analysis of the hydrophobic core of the protein and its mutants including the interactions taking place inside the core. Here we show that a single mutation of one phenylalanine's residues inside the protein's hydrophobic core results in a dramatic decrease in its thermal stability. The calculated unfolding Gibbs energy as well as the stabilisation energy differences between a few core residues follow the same trend as the melting temperature of protein variants determined experimentally by microcalorimetry measurements. NMR experiments have shown that the only part of the protein affec

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2007

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Chemistry- A European Journal

  • ISSN

    0947-6539

  • e-ISSN

  • Volume of the periodical

    13

  • Issue of the periodical within the volume

    32

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    6

  • Pages from-to

    9022

  • UT code for WoS article

  • EID of the result in the Scopus database