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CyloFold: secondary structure prediction including pseudoknots

  1. Author:
    Bindewald, E.
    Kluth, T.
    Shapiro, B. A.

  2. Author Address

    [Kluth, Tanner; Shapiro, Bruce A.] NCI Frederick, Ctr Canc Res Nanobiol Program, Frederick, MD 21702 USA. [Bindewald, Eckart] NCI Frederick, Basic Sci Program, SAIC Frederick Inc, Frederick, MD 21702 USA.;Shapiro, BA, NCI Frederick, Ctr Canc Res Nanobiol Program, Frederick, MD 21702 USA.;shapirbr@mail.nih.gov
    1. Year: 2010
    2. Date: Jul
  2. Journal: Nucleic Acids Research
    1. 38
    2. Pages: W368-W372
  4. Type of Article: Article
  5. ISSN: 0305-1048
  1. Abstract:

    Computational RNA secondary structure prediction approaches differ by the way RNA pseudoknot interactions are handled. For reasons of computational efficiency, most approaches only allow a limited class of pseudoknot interactions or are not considering them at all. Here we present a computational method for RNA secondary structure prediction that is not restricted in terms of pseudoknot complexity. The approach is based on simulating a folding process in a coarse-grained manner by choosing helices based on established energy rules. The steric feasibility of the chosen set of helices is checked during the folding process using a highly coarse-grained 3D model of the RNA structures. Using two data sets of 26 and 241 RNA sequences we find that this approach is competitive compared to the existing RNA secondary structure prediction programs pknotsRG, HotKnots and UnaFold. The key advantages of the new method are that there is no algorithmic restriction in terms of pseudoknot complexity and a test is made for steric feasibility. Availability: The program is available as web server at the site: http://cylofold.abcc.ncifcrf.gov.

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External Sources

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  2. DOI: 10.1093/nar/gkq432
  3. View record in Web of Science®
  4. WOS: 000284148900058

Library Notes

  1. Fiscal Year: FY2009-2010
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