http://www.icp.ucl.ac.be/~opperd/protein_course/proteins.html
Belgian EMBL node computer (BEN)
http://taxonomy.zoology.gla.ac.uk/rod/treeview.html
ftp://rdp.life.uiuc.edu/rdp/programs/TreeTool
http://www.ebi.ac.uk/subs/emblsubs.html
http://www3.ncbi.nlm.nih.gov/Bankit/index.html
The World Wide Web Virtual Library - Biomolecules: http://golgi.harvard.edu/sequences.html
The databases available on the BEN computer.