SEQRES 1 A 81 SER ALA LEU SER ARG ASP VAL LYS TRP GLU PHE THR PRO SEQRES 2 A 81 SER LYS ASN LEU ARG VAL GLY SER HIS ILE THR GLY GLY SEQRES 3 A 81 ASP ILE TYR GLY ILE VAL ASN GLU ASN SER LEU ILE LYS SEQRES 4 A 81 HIS ARG ILE MET LEU PRO PRO ARG ASN ARG GLY THR VAL SEQRES 5 A 81 THR TYR ILE ALA PRO PRO GLY ASN TYR ASP THR SER ASP SEQRES 6 A 81 VAL VAL LEU GLU LEU GLU PHE GLU GLY VAL LYS GLU LYS SEQRES 7 A 81 PHE SER MET