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The ERPIN server: an interface to profile-based RNA motif identification
André Lambert1, Jean-Fred Fontaine, Matthieu Legendre
1CNRS UMR 6207, Université de la Méditerranée, Luminy Case 906, 13288 Marseille, Cedex 09, France.
Nucleic Acids Research
|June 25, 2004
Summary
ERPIN is a new RNA motif identification program. It offers sensitive and specific RNA motif searches with practical CPU use, now available via an online interface for genomic analysis.
Area of Science:
- Bioinformatics
- Computational Biology
- Genomics
Background:
- RNA motif identification is crucial for understanding RNA function.
- Existing RNA motif search programs have limitations in specificity, sensitivity, or computational requirements.
Purpose of the Study:
- To introduce the ERPIN online search interface for efficient RNA motif identification.
- To provide a user-friendly tool for analyzing genomic sequences for various RNA motifs.
Main Methods:
- ERPIN utilizes a profile-based dynamic programming algorithm for RNA sequence alignment and motif identification.
- The web server automates ERPIN searches using predefined training sets and parameters.
- Analysis of bacterial genomes and large genomic segments up to 5Mb is supported.
Main Results:
- The ERPIN web server provides highly specific and sensitive RNA motif searches.
- E-values are computed to assess the biological significance of sequence matches.
- Search results include sequence, score, position, E-value, and secondary structure graphics.
Conclusions:
- The ERPIN online interface offers a practical and efficient solution for RNA motif discovery in genomic data.
- The tool enhances biological significance assessment through E-value computation.
- It supports the analysis of diverse RNA genes and motifs across various genomic scales.