SeaView is a multiple sequence alignment editor. You can align DNA/protein sequences from several organisms, and find out their relative postions in phylogenic tree. Once SeaView is installed, you can open the on-line help window through the 'Help' button to learn how to use SeaView. Example mase files can be found at: ftp://pbil.univ-lyon1.fr/pub/mol_phylogeny/seaview/ WWW: http://doua.prabi.fr/software/seaview