Dear Antonis, I've loaded the alignements of the HT_MG-430 chip from Affymetrix and lifted it to mm9. You can add this track using the URL: http://genomics-lab.fleming.gr/fleming/PHlab/affy/HT_MG-430_PM.mm10_liftedTo_mm9.bed to mm9 in our browser, or using http://genomics-lab.fleming.gr/fleming/PHlab/affy/HT_MG-430_PM.mm10.bed to mm10 in any other browser (Alexandros is still updating our browser this week). The human ST 2.0 tracks should be: http://genomics-lab.fleming.gr/cgi-bin/hgTrackUi?hgsid=5610&c=chr21&g=affyU133Plus2 BW, Martin