Hello I looked for the Transfac database on the web. It seems that it is now "buyable" but it used to be free. Are you buying it to use with tfextract? Or is there any other way to get that database? Thank you in advance -- Johanne Duhaime IRCM 110 Ave des Pins O Montreal, Quebec 987-5556 (tel) 987-5644 (fax) Johanne_Duhaime at ircm.qc.ca http://www.ircm.qc.ca