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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Study of the factors affecting the binding specificity of the 14-3-3 proteins.
 Veisová, Dana ; Obšilová, Veronika (advisor) ; Bařinka, Cyril (referee) ; Krůšek, Jan (referee)
113 11. Summary The 14-3-3 proteins are dimeric molecules with a characteristic shape and molecular mass about 30 kDa found in all eukaryotes. They are playing a key role in a variety of biological processes such as signal transduction, cell differentiation and apoptosis. The C- terminal segment of human 14-3-3ζ plays an important role as an autoinhibitor which can occupy the ligand binding groove in the absence of binding partner and blocks the binding of inappropriate ligand. The C-terminal segment structure has not been identified for any of the known crystallographic structures. Unlike the helical region α1-α9, the C-terminal segment shows the highest sequence variability. It is believed that the C-terminal segment is the most flexible region and can exist in a lot of conformations. The yeast isoforms of the 14-3-3 proteins Bmh1 and Bmh2 possess a distinctly variant C-terminal segment which is longer and contains a polyglutamine stretch of unknown function. The role of this C-terminal part has been studied with many of different biophysical methods. Dynamic light scattering, sedimentation velocity, time resolved fluorescence anisotropy decay, and size exclusion chromatography measurements showed that an apparent size of the molecules Bmh1 and Bmh2 is significantly bigger compared to the 14-3-3 isoforms....
Detailed record
Study of the factors affecting the binding specificity of the 14-3-3 proteins.
 Veisová, Dana ; Obšilová, Veronika (advisor) ; Bařinka, Cyril (referee) ; Krůšek, Jan (referee)
113 11. Summary The 14-3-3 proteins are dimeric molecules with a characteristic shape and molecular mass about 30 kDa found in all eukaryotes. They are playing a key role in a variety of biological processes such as signal transduction, cell differentiation and apoptosis. The C- terminal segment of human 14-3-3ζ plays an important role as an autoinhibitor which can occupy the ligand binding groove in the absence of binding partner and blocks the binding of inappropriate ligand. The C-terminal segment structure has not been identified for any of the known crystallographic structures. Unlike the helical region α1-α9, the C-terminal segment shows the highest sequence variability. It is believed that the C-terminal segment is the most flexible region and can exist in a lot of conformations. The yeast isoforms of the 14-3-3 proteins Bmh1 and Bmh2 possess a distinctly variant C-terminal segment which is longer and contains a polyglutamine stretch of unknown function. The role of this C-terminal part has been studied with many of different biophysical methods. Dynamic light scattering, sedimentation velocity, time resolved fluorescence anisotropy decay, and size exclusion chromatography measurements showed that an apparent size of the molecules Bmh1 and Bmh2 is significantly bigger compared to the 14-3-3 isoforms....
Detailed record

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