Department of Bioinformatics, Biocenter, University of Wüerzburg, Am Hubland, 97074 Wuerzburg, Germany. Tel.: +49-931-318-4551, Fax: +49-931-318-4552, dandekar@biozentrum.uni-wuerzburg.de.|Department of Bioinformatics, Biocenter, University of Wüerzburg, Am Hubland, 97074 Wuerzburg, Germany. Tel.: +49-931-318-4551, Fax: +49-931-318-4552, dandekar@biozentrum.uni-wuerzburg.de.|Department of Bioinformatics, Biocenter, University of Wüerzburg, Am Hubland, 97074 Wuerzburg, Germany. Tel.: +49-931-318-4551, Fax: +49-931-318-4552, dandekar@biozentrum.uni-wuerzburg.de.|Department of Bioinformatics, Biocenter, University of Wüerzburg, Am Hubland, 97074 Wuerzburg, Germany. Tel.: +49-931-318-4551, Fax: +49-931-318-4552, dandekar@biozentrum.uni-wuerzburg.de.