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KMID : 0624620090420120823
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BMB Reports
2009 Volume.42 No. 12 p.823 ~ p.828
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CONVIRT: A web-based tool for transcriptional regulatory site identification using a conserved virtual chromosome
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Ryu Tae-Woo
Lee Se-Joon
Hur Cheol-Goo
Lee Do-Heon
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Abstract
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Techniques for analyzing protein-DNA interactions on a genome-wide scale have recently established regulatory roles for distal enhancers. However, the large sizes of higher eukaryotic genomes have made identification of these elements difficult. Information regarding sequence conservation, exon annotation and repetitive regions can be used to reduce the size of the search region. However, previously developed resources are inadequate for consolidating such information. CONVIRT is a web resource for the identification of transcription factor binding sites and also features comparative genomics. Genomic information on ortholog-independent conserved regions, exons, repeats and sequences is integrated into the virtual chromosome, and statistically over-represented single or combinations of transcription factor binding sites are sought. CONVIRT provides regulatory network analysis for several organisms with long promoter regions and permits inter-species genome alignments. CONVIRT is freely available at http://biosoft.kaist. ac.kr/convirt.
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KEYWORD
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Cis-element, Comparative genomics, Phylogenetic footprinting, TFBS, Transcription factor
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