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Wyszukujesz frazę "tertiary structure" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Structural similarity of CheY-like proteins
    Autorzy:
    Banach, M.
    Konieczny, L.
    Roterman, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/1938624.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Gdańska
    Tematy:
    hydrophobicity
    tertiary structure
    hydrophobic core
    Opis:
    The problem of structural similarity of polypeptide chains of low sequence similarity representing a similar 3D structural form has been the object of analysis of researchers engaged in the protein folding problem. Three homologous proteins of similar biological function with low sequence similarity are the objects of analysis presented in this paper. The structure of a hydrophobic core is used as the criterion for structural similarity assessment of these three proteins. The applied method allows recognition of differentiati on in topologically similar structures.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2016, 20, 4; 383-392
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    RNA dactyloscopy
    Autorzy:
    Gabryelska, Marta
    Wyszko, Eliza
    Barciszewski, Jan
    Powiązania:
    https://bibliotekanauki.pl/articles/1038740.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    hammerhead ribozyme
    RNA tertiary structure
    fingerprint
    Opis:
    Despite the wealth of data on RNA secondary structure, conformational dynamics and tertiary structure in vitro and in vivo, predicting RNA biological activity in cellular environments remains difficult. Here, we present a comparison between in silico RNA fingerprinting and published experimental data that sheds light on efficient design of the hammerhead ribozyme molecules with a high intracellular efficiency. Our method, which we call RNA dactyloscopy, is a reliable tool for assessing the catalytic properties, modeling and design of RNA.
    Źródło:
    Acta Biochimica Polonica; 2016, 63, 4; 785-787
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Correlated mutations in selected protein families
    Autorzy:
    Leluk, J.
    Sobczyk, M.
    Becella, Ł.
    Powiązania:
    https://bibliotekanauki.pl/articles/1986920.pdf
    Data publikacji:
    2002
    Wydawca:
    Politechnika Gdańska
    Tematy:
    protein sequence
    multiple alignment
    tertiary structure
    mutational correlation
    genetic semihomology algorithm
    Opis:
    Four different protein families (two proteinase inhibitor families, myoglobins and lysozymes) were surveyed for correlated mutations with respect to the position distance and their significance in structure stabilization and biological activity. They were chosen for this study in order to verify the currently admitted model of mutational correlation relationship with respect to spatial contact of the residues and contribution in protein biological activity. There was observed high contribution of spatially dispersed residues (which are also not involved in the protein active center) in mutational correlation. Because of the significantly large distance between correlated positions these cases do not correspond explicitly to any mechanism included in current hypotheses. It is suggested that the role of residue spatial contact in structure preservation, intermolecular interaction and active site rescue mechanisms only partially explains the correlation phenomenon.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2002, 6, 3; 469-482
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structure of small G proteins and their regulators.
    Autorzy:
    Paduch, Marcin
    Jeleń, Filip
    Otlewski, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/1043851.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    small G protein
    GAP
    protein-protein interaction
    GTPase
    GDI
    Rho
    Ras
    protein tertiary structure
    GEF
    Opis:
    In recent years small G proteins have become an intensively studied group of regulatory GTP hydrolases involved in cell signaling. More than 100 small G proteins have been identified in eucaryotes from protozoan to human. The small G protein superfamily includes Ras, Rho Rab, Rac, Sar1/Arf and Ran homologs, which take part in numerous and diverse cellular processes, such as gene expression, cytoskeleton reorganization, microtubule organization, and vesicular and nuclear transport. These proteins share a common structural core, described as the G domain, and significant sequence similarity. In this paper we review the available data on G domain structure, together with a detailed analysis of the mechanism of action. We also present small G protein regulators: GTPase activating proteins that bind to a catalytic G domain and increase its low intrinsic hydrolase activity, GTPase dissociation inhibitors that stabilize the GDP-bound, inactive state of G proteins, and guanine nucleotide exchange factors that accelerate nucleotide exchange in response to cellular signals. Additionally, in this paper we describe some aspects of small G protein interactions with downstream effectors.
    Źródło:
    Acta Biochimica Polonica; 2001, 48, 4; 829-850
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Charakterystyka geomorfologiczna obszaru położonego wzdłuż Doliny Środkowej Noteci
    Autorzy:
    Ratajczak-Szczerba, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/294966.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    geological structure
    geomorphology
    relief
    Tertiary deposits
    Quaternary deposits
    end moraine
    Wyrzysk oscillation
    Opis:
    The investigated area is located along the Noteć Middle Valley and is situated on the border of several physical-geographical and geomorphologic units. There are according to Krygowski (2000): the Noteć Middle Valley, the Gwda Valley, the Wałcz Lake District, the Kraina Lake District, the Chodzież Lake District. Varied geological structure and the relief of the area. The expression of dynamic activity of the last Scandinavian ice sheet are impressive ladforms like end moraine hills of the Chodzież subphase, the Wyrzysk oscillation, glacial gully, outwash levels.
    Źródło:
    Landform Analysis; 2011, 16; 99-106
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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