PINE supports two forms of sequence input (USE ALL CAPITAL LETTERS):
(1) single letter amino acid names
(2) three letter amino acid names.
These must be listed in order starting with the N-terminus. Examples M T E V Y D L E I T T ....... .......
or
MET THR GLU VAL TYR ASP LEU GLU ILE THR THR ASN ALA ....... .......