Stores information of all GenBank eukaryotic entries containing an annotated intron sequence. 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. 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.

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Bioinformatics Center, National University of Singapore, Singapore; Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA; Laboratory of Computational Biology, Ludwig Institute for Cancer Research, Sao Paulo branch, Sao Paulo, Brazil

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