SEQRES 1 X 49 ALA PRO ASP PHE HIS ASP LYS TYR GLY ASN ALA VAL LEU SEQRES 2 X 49 ALA SER GLY ALA THR PHE CYS VAL ALA VAL TRP VAL TYR SEQRES 3 X 49 MET ALA THR GLN ILE GLY ILE GLU TRP ASN PRO SER PRO SEQRES 4 X 49 VAL GLY ARG VAL THR PRO LYS GLU TRP ARG