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DbW: automatic update of a functional family-specific multiple alignment
V Prigent1, J C Thierry, O Poch
1Laboratoire de Biologie et Génomique Structurales, Institut de Génétique et de Biologie Moléculaire et Cellulaire, (CNRS/INSERM/ULP) BP 10142, 67404 Illkirch, Cedex, France. prigent@igbmc.u-strasbg.fr
Bioinformatics (Oxford, England)
|December 16, 2004
Summary
DbW is a new program that automates updating multiple sequence alignments for protein families. It accurately identifies homologous sequences, aiding in functional analysis and structure prediction.
Area of Science:
- Bioinformatics
- Computational Biology
- Genomics
Background:
- Exponential growth of sequence data necessitates automated analysis tools.
- Functional family-specific multiple alignments are crucial for biological insights.
- Existing methods may struggle with the scale and complexity of modern sequence databases.
Purpose of the Study:
- To introduce DbW, a novel program for automating the update of functional family-specific multiple sequence alignments.
- To enhance the inclusion of relevant homologous sequences in alignments.
- To leverage diverse data sources, including sequence and annotation information.
Main Methods:
- Development of the DbW software program.
- Utilizing sequence and annotation data from biological databases.
- Testing and validation using aminoacyl-tRNA synthetase families.
Main Results:
- DbW effectively detects homologous sequences in Swiss-Prot and SPTREMBL databases.
- Achieved high global specificity (98.4%) and sensitivity (95.2%) in identifying family-specific sequences.
- Demonstrated the program's utility for aminoacyl-tRNA synthetase families.
Conclusions:
- DbW offers a reliable method for generating accurate multiple sequence alignments.
- The software facilitates downstream applications such as functional residue identification and structure prediction.
- DbW addresses the challenge of managing and analyzing rapidly expanding genomic datasets.