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Monitoring conformational changes in protein complexes using chemical cross-linking and Fourier transform ion cyclotron resonance mass spectrometry: the effect of calcium binding on the calmodulin - melittin complex

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F07%3A00095367" target="_blank" >RIV/61388971:_____/07:00095367 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Monitoring conformational changes in protein complexes using chemical cross-linking and Fourier transform ion cyclotron resonance mass spectrometry: the effect of calcium binding on the calmodulin - melittin complex

  • Original language description

    Calmodulin is an EF hand calcium binding protein. Its binding affinities to various protein/peptide targets often depend on the conformational changes induced by the binding of calcium. One such target is melittin, which binds tightly to calmodulin in the presence of calcium, and inhibits its function. Chemical cross-linking combined with Fourier transform ion cyclotron resonance (FTICR) mass spectrometry has been employed to investigate the coordination of calmodulin and melittin in the complex at different concentrations of calcium. This methodology can be used to monitor structural changes of proteins induced by ligand binding, and study the effects these changes have on non-covalent interactions between proteins. Cross-linking results indicate thatthe binding place of the first melittin in the calcium free calmodulin form is the same as in the calcium loaded calmodulin/ melittin complex

  • Czech name

    Sledování změn konformace proteinového komplexu pomocí chemického zesítění a hmotnostní spektrometrie: vliv koncentrace vápníku na komplex calmodulinu a melittinu

  • Czech description

    Kalmodulin je protein vážící vápník. Jeho schopnost interakce s dalšími peptidovými potažmo proteinovými partnery je závislá na jeho konformaci, která je ovlivněna přítomností vápenatých iontů. Možnost sledovat změnu konformace proteinu lze klasickými metodami, zde je presentován postup netradiční, který je založen na chemickém zesítění proteinu a následné detekci zesítěných postranních aminokyselinových zbytků pomocí hmotnostní spektrometrie vysokého rozlišení

Classification

  • Type

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

  • CEP classification

    EE - Microbiology, virology

  • 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

    European Journal of Mass Spectrometry

  • ISSN

    1469-0667

  • e-ISSN

  • Volume of the periodical

    13

  • Issue of the periodical within the volume

    -

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    10

  • Pages from-to

    281-290

  • UT code for WoS article

  • EID of the result in the Scopus database