Maybe you can try the Tcoffee web server: http://igs-server.cnrs-mrs.fr/Tcoffee/tcoffee_cgi/index.cgi > > In general how can a single structure be used to > improve a multiple > sequence alignment (if at all)? > > Hope this help! xueping ___________________________________________________________ Yahoo! Messenger - want a free and easy way to contact your friends online? http://uk.messenger.yahoo.com