http://redpoll.pharmacy.ualberta.ca/CCDB/cgi-bin/STAT_NEW.cgi
http://ecoliwiki.net/colipedia/index.php/Welcome_to_EcoliWiki
http://bioweb.uwlax.edu/bio203/s2008/moder_just/index.htm
http://www.genome.wisc.edu/aboutus.htm
http://www.rpi.edu/dept/bcbp/molbiochem/BiochSci/sbello/nucleotides.htm
http://www.geocities.com/ameztv/
http://www.uni-giessen.de/ecoli/IECA/index.php
http://www3.oup.co.uk/nar/database/cap/
http://www.systems-biology.org/001/001.html