EBI

http://www.ebi.ac.uk/

Sanger

http://www.sanger.ac.uk/

UCL

http://www.hiochem.ucLac.uk/bsm/dbbrowser/embnet/

ICGEB

http://www.icgeb.trieste.it/

ETI

http://www.eti.uva.nl

MIPS

http://www.mips.biochem.mpg.de/

Pharmacia Upjohn

http://www.pnu.com/

Hoffmann-La Roche

http://www.roche.com/