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Molekulární mechanismy rozpoznání regulačního úseku DNA transkripčními faktory z rodiny MADS-BOXU / Molecular mechanism of DNA regulatory segment recognition by MADS box family transcription factors

The thesis deals with physico-chemical properties of the MADS box, binding domain of transcription factors, which are important for the formation of complexes with the DNA regulatory segment bearing the CArG box. The study was performed also on model oligopeptides, selected segments of the MADS box and their analogues with a point mutation. A wide range of spectroscopic techniques was employed, namely absorption, circular dichroism, fluorescence and Raman spectroscopies. Advanced approaches including multivariate methods were used for data processing. The three tyrosines of the MADS box located in amino-acid vicinities of different charge and hydrophobicity, were used as intrinsic spectroscopic probes. The obtained characteristics of the MADS box and its segments structural arrangement, flexibility and acid-base equilibria are the main results of the work.

Identiferoai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:332526
Date January 2014
CreatorsProfantová, Barbora
ContributorsŠtěpánek, Josef, Jelínek, Otakar, Manfait, Michel
Source SetsCzech ETDs
LanguageEnglish
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/doctoralThesis
Rightsinfo:eu-repo/semantics/restrictedAccess

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