id	domain	url
abc-2128	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/nucleotide
abc-2128	solgenomics.net	http://solgenomics.net/feature/17933775/details
abc-2128	www.basic.northwestern.edu	http://www.basic.northwestern.edu/biotools/oligocalc.html)