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BMC Bioinformatics

, 7:37

First Online: 24 January 2006Received: 07 September 2005Accepted: 24 January 2006


BackgroundWith the ever-increasing number of gene sequences in the public databases, generating and analyzing multiple sequence alignments becomes increasingly time consuming. Nevertheless it is a task performed on a regular basis by researchers in many labs.

ResultsWe have now created a database called CoSMoS to find the occurrences and at the same time evaluate the significance of sequence motifs and amino acids encoded in the whole genome of the model organism Escherichia coli K12. We provide a precomputed set of multiple sequence alignments for each individual E. coli protein with all of its homologues in the RefSeq database. The alignments themselves, information about the occurrence of sequence motifs together with information on the conservation of each of the more than 1.3 million amino acids encoded in the E. coli genome can be accessed via the web interface of CoSMoS.

ConclusionCoSMoS is a valuable tool to identify highly conserved sequence motifs, to find regions suitable for mutational studies in functional analyses and to predict important structural features in E. coli proteins.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2105-7-37 contains supplementary material, which is available to authorized users.

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Autor: Xiao I Liu - Neeraj Korde - Ursula Jakob - Lars I Leichert


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