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R-Coffee: a web server for accurately aligning noncoding RNA sequences.

Abstract：

:The R-Coffee web server produces highly accurate multiple alignments of noncoding RNA (ncRNA) sequences, taking into account predicted secondary structures. R-Coffee uses a novel algorithm recently incorporated in the T-Coffee package. R-Coffee works along the same lines as T-Coffee: it uses pairwise or multiple sequence alignment (MSA) methods to compute a primary library of input alignments. The program then computes an MSA highly consistent with both the alignments contained in the library and the secondary structures associated with the sequences. The secondary structures are predicted using RNAplfold. The server provides two modes. The slow/accurate mode is restricted to small datasets (less than 5 sequences less than 150 nucleotides) and combines R-Coffee with Consan, a very accurate pairwise RNA alignment method. For larger datasets a fast method can be used (RM-Coffee mode), that uses R-Coffee to combine the output of the three packages which combines the outputs from programs found to perform best on RNA (MUSCLE, MAFFT and ProbConsRNA). Our BRAliBase benchmarks indicate that the R-Coffee/Consan combination is one of the best ncRNA alignment methods for short sequences, while the RM-Coffee gives comparable results on longer sequences. The R-Coffee web server is available at http://www.tcoffee.org.

journal_name

Nucleic Acids Res

journal_title

Nucleic acids research

authors

Moretti S,Wilm A,Higgins DG,Xenarios I,Notredame C

doi

10.1093/nar/gkn278

subject

Has Abstract

pub_date

2008-07-01 00:00:00

pages

W10-3

issue

Web Server issue

eissn

0305-1048

issn

1362-4962

pii

gkn278

journal_volume

36

pub_type

杂志文章

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