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Wyszukujesz frazę "protein similarity" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Beyond sequence similarity – the curious case of GW/WG protein domain
Autorzy:
Karlowski, W.M.
Powiązania:
https://bibliotekanauki.pl/articles/79861.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
RNA silencing
gene expression
protein domain
amino acid sequence
Arabidopsis thaliana
Vitis vinifera
cysteine
phenylalanine
histidine
methionine
tyrosine
sequence similarity
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2011, 92, 4
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A declarative query language for protein secondary structures
Autorzy:
Wieczorek, D.
Małysiak-Mrozek, B.
Kozielski, S.
Mrozek, D.
Powiązania:
https://bibliotekanauki.pl/articles/333087.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
proteiny
struktura drugorzędowa
podobieństwa białek
język zapytań
proteins
secondary structure
protein similarity
query language
Opis:
Searching proteins on their secondary structures provides a rough and fast method of identification of molecules having a similar fold. Since existing database management systems do not offer integrated exploration methods for querying protein structures, the structural similarity searching is usually performed by external tools. This often lengthens the processing time and requires additional processing steps, like adaptation of input and output data formats. In the paper, we present the extended SQL language, which allows searching a database in order to find proteins having secondary structures similar to the structural pattern specified by a user. Presented query language is integrated with the relational database management system and it simplifies the manipulation of biological data.
Źródło:
Journal of Medical Informatics & Technologies; 2010, 16; 139-148
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A method for matching sequences of protein secondary structures
Autorzy:
Wieczorek, D.
Małysiak-Mrozek, B.
Kozielski, S.
Mrozek, D.
Powiązania:
https://bibliotekanauki.pl/articles/333075.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
proteiny
struktura drugorzędowa
podobieństwa białek
wyrównanie
proteins
secondary structure
protein similarity
alignment
Opis:
Alignment of specific regions of two biological molecules is a basic method for determination how similar these two molecules are. There are several methods of optimal alignment that were developed through many years. However, they are dedicated for nucleotide sequences of DNA⁄RNA or amino acid sequences of proteins. Since the construction of proteins can also be analyzed at the level of secondary structure (and higher), we need a comparative method, which would allow us to determine the similarity between biological particles at this level and express it through the appropriate similarity measure. For this reason, we have modified an existing Smith–Waterman method towards matching sequences of secondary structures elements (SSEs). In the paper, we present our modification to the method. We also describe how we find several alternative and equally optimal alignment paths on the basis of the characteristics of compared sequences. Presented alignment method is used in the PSS–SQL language, which allows searching a database in order to find proteins having secondary structures similar to the structural pattern specified by a user.
Źródło:
Journal of Medical Informatics & Technologies; 2010, 16; 133-137
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrostatics in computer-aided drug design
Autorzy:
Naray-Szabo, G.
Matyus, P.
Powiązania:
https://bibliotekanauki.pl/articles/1953955.pdf
Data publikacji:
1998
Wydawca:
Politechnika Gdańska
Tematy:
electrostatics
drug design
molecular electrostatic potential
molecular electrostatic field
similarity
pharmacophore
ComFa method
protein-ligand interaction
Opis:
Hydrogen bonds and charge-charge interactions, determined by molecular electrostatics, play essential role in biopolymer-ligand associations. Accordingly, electrostatics is crucial in the qualitative and quantitative characterisation of the binding of drugs to their target molecules. In the following, we will give an account on the role of molecular electrostatics in a drug design, laying emphasis on our own work. We will survey the most important computation methods of molecular electrostatic potentials, then outline basic aspects of molecular recognition: steric, electrostatic and hydrophobic complementarity. On the basis of the complementarity, we will also define molecular similarity and discuss various applications of these concepts to the treatment of protein-ligand interactions and a rational drug design. Special attention will be paid to a receptor mapping and to a comparative molecular field analysis, with some our recent applications. A further important point will be the molecular electrostatic field (potential gradient) as a hydrophobicity measure. We will argue that the hydrophobic complementarity and similarity can be treated on the basis of matching regions of the interacting molecules that are characterised by a similar magnitude of the electrostatic field. The concept of the electrostatic complementarity will be extended to enzyme-substrate interactions, providing a firm basis for the quantitative estimation of catalytic rate enhancement.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 1998, 2, 4; 551-562
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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