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2015 | 25 | 3 | 689-700
Tytuł artykułu

Building the library of RNA 3D nucleotide conformations using the clustering approach

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
An increasing number of known RNA 3D structures contributes to the recognition of various RNA families and identification of their features. These tasks are based on an analysis of RNA conformations conducted at different levels of detail. On the other hand, the knowledge of native nucleotide conformations is crucial for structure prediction and understanding of RNA folding. However, this knowledge is stored in structural databases in a rather distributed form. Therefore, only automated methods for sampling the space of RNA structures can reveal plausible conformational representatives useful for further analysis. Here, we present a machine learning-based approach to inspect the dataset of RNA three-dimensional structures and to create a library of nucleotide conformers. A median neural gas algorithm is applied to cluster nucleotide structures upon their trigonometric description. The clustering procedure is two-stage: (i) backbone- and (ii) ribose-driven. We show the resulting library that contains RNA nucleotide representatives over the entire data, and we evaluate its quality by computing normal distribution measures and average RMSD between data points as well as the prototype within each cluster.
Rocznik
Tom
25
Numer
3
Strony
689-700
Opis fizyczny
Daty
wydano
2015
otrzymano
2014-11-26
poprawiono
2015-04-15
Twórcy
autor
  • Institute of Computing Science, Poznań University of Technology, Piotrowo 2, 60-965 Poznań, Poland
  • Institute of Computing Science, Poznań University of Technology, Piotrowo 2, 60-965 Poznań, Poland
  • Computational Intelligence Group, University of Applied Sciences, Technikumplatz 17, D-09648 Mittweida, Germany
autor
  • Computational Intelligence Group, University of Applied Sciences, Technikumplatz 17, D-09648 Mittweida, Germany
  • Computational Intelligence Group, University of Applied Sciences, Technikumplatz 17, D-09648 Mittweida, Germany
  • Institute of Computing Science, Poznań University of Technology, Piotrowo 2, 60-965 Poznań, Poland
  • Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704 Poznań, Poland
  • Institute of Computing Science, Poznań University of Technology, Piotrowo 2, 60-965 Poznań, Poland
  • Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704 Poznań, Poland
  • Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704 Poznań, Poland
  • Institute of Computing Science, Poznań University of Technology, Piotrowo 2, 60-965 Poznań, Poland
Bibliografia
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Typ dokumentu
Bibliografia
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Identyfikator YADDA
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