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  A Polyhedral Approach to RNA Sequence Structure Alignment

Lenhof, H.-P., Reinert, K., & Vingron, M. (1998). A Polyhedral Approach to RNA Sequence Structure Alignment. Journal of Computational Biology, 5(3), 517-530.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-3763-F Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-3764-D
Genre: Zeitschriftenartikel

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 Urheber:
Lenhof, Hans-Peter1, Autor           
Reinert, Knut1, Autor           
Vingron, Martin, Autor
Affiliations:
1Algorithms and Complexity, MPI for Informatics, Max Planck Society, ou_24019              

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Schlagwörter: -
 Zusammenfassung: Ribonucleic acid (RNA) is a polymer composed of four bases denoted A, C, G, and U. It generally is a single-stranded molecule where the bases form hydrogen bonds w ithin the same molecule leading to structure formation. In comparing different homologous RNA molecules it is important to consider both the base sequence and the structure of the molecules. Traditional alignment algorithms can only account for the sequence of bases, but not for the base pairings. Considering the structure leads to significant computational problems because of the dependencies introduced by the base pairings. In this paper we address the problem of optimally aligning a given RNA sequence of unknown structure to one of known sequence and structure. We phrase the problem as an integer linear program and then solve it using methods from polyhedral combinatorics. In our computational experiments we could solve large problem instances -- 23S ribosomal RNA with more than $1400$ bases -- a size intractable for former algorithms.

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Sprache(n): eng - English
 Datum: 2010-03-021998
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 517953
Anderer: Local-ID: C1256428004B93B8-7F38667AAEF78462412567000049A3CA-LenReiVin1998
 Art des Abschluß: -

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Titel: Journal of Computational Biology
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 5 (3) Artikelnummer: - Start- / Endseite: 517 - 530 Identifikator: -