S. cerevisae two hybrid interaction data
http://depts.washington.edu/sfields/
S. cerevisae gene-deletion project
http://www-deletion.stanford.edu
http://www.rz.uni-frankfurt.de/FB/fb16/mikro/euroscarf/index.html
Locate proteins on 2-D PAGE reference maps
http://expasy.cbr.nrc.ca/ch2d/
Epitope tagged yeast, mouse and human ORF's from Invitrogen
http://www.invitrogen.com/genestorm/
Arabidopsis knock out mutants
http://www.biotech.wisc.edu/arabidopsis