My colleague Mathew Woodwark says you want, NNPREDICT nnpredict at celestse.ucsf.edu It is a mail server. Send for the help file. You need a sequence in FASTA format. gives alpha, beta or turn element. Aengus Stewart BBSRC Computing Centre West Common Harpenden Herts AL5 2JE UK stewarta at arcb.bbsrc.ac.uk