Dear all, I have transferred the Affymetrix tables with oligo probe sequences of HG-U133A into an environment. Is anyone else interested and should I make it available? Or does it already exist as part of Bioconductor, only I hadn't found it? Greetings Johannes -- Johannes Hüsing There is something fascinating about science. One gets hannes@ruhrau.de such wholesale returns of conjecture from such a trifling investment of fact. Mark Twain