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Nucleic Acids Res. 2013 Jul;41(12):5978-90. doi: 10.1093/nar/gkt318. Epub 2013 Apr 25.

RNAlyzer--novel approach for quality analysis of RNA structural models.

Author information

1
Institute of Computing Science, Poznan University of Technology, 60-965 Poznan, Poland. piotr.lukasiak@cs.put.poznan.pl

Abstract

The continuously increasing amount of RNA sequence and experimentally determined 3D structure data drives the development of computational methods supporting exploration of these data. Contemporary functional analysis of RNA molecules, such as ribozymes or riboswitches, covers various issues, among which tertiary structure modeling becomes more and more important. A growing number of tools to model and predict RNA structure calls for an evaluation of these tools and the quality of outcomes their produce. Thus, the development of reliable methods designed to meet this need is relevant in the context of RNA tertiary structure analysis and can highly influence the quality and usefulness of RNA tertiary structure prediction in the nearest future. Here, we present RNAlyzer-a computational method for comparison of RNA 3D models with the reference structure and for discrimination between the correct and incorrect models. Our approach is based on the idea of local neighborhood, defined as a set of atoms included in the sphere centered around a user-defined atom. A unique feature of the RNAlyzer is the simultaneous visualization of the model-reference structure distance at different levels of detail, from the individual residues to the entire molecules.

PMID:
23620294
PMCID:
PMC3695499
DOI:
10.1093/nar/gkt318
[Indexed for MEDLINE]
Free PMC Article
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