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Nucleic Acids Research, 2000, Vol. 28, No. 1 191-192
© 2000 Oxford University Press

ExInt: an Exon/Intron database

M. Sakharkar, M. Long1, T. W. Tan and S. J. de Souza2,*

Bioinformatics Center, National University of Singapore, Singapore, 1Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA and 2Laboratory of Computational Biology, Ludwig Institute for Cancer Research, Sao Paulo branch, Rua Prof. Antonio Prudente 109, 4 andar, 01509-010 Sao Paulo, Brazil

The Exon/Intron (ExInt) database incorporates information on the exon/intron structure of eukaryotic genes. Features in the database include: intron nucleotide sequence, amino acid sequence of the corresponding protein, position of the introns at the amino acid level and intron phase. From ExInt, we have also generated four additional databases each with ExInt entries containing predicted introns, introns experimentally defined, organelle introns or nuclear introns. ExInt is accessible through a retrieval system with pointers to GenBank. The database can be searched by keywords, locus name, NID, accession number or length of the protein. ExInt is freely accessible at http://intron.bic.nus.edu.sg/exint/ exint.html

* To whom correspondence should be addressed. Tel: +55 11 270 4922; Fax: +55 11 270 7001; Email: sandro@compbio.ludwig.org.br


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