SEQRES 1 3O 77 PRO TRP SER GLY TYR LEU ASP ASP VAL SER ALA LYS PHE SEQRES 2 3O 77 ASP THR GLY VAL ASP ASN LEU GLN THR GLN VAL THR GLU SEQRES 3 3O 77 ALA LEU ASP LYS LEU ALA ALA LYS PRO SER ASP PRO ALA SEQRES 4 3O 77 LEU LEU ALA ALA TYR GLN SER LYS LEU SER GLU TYR ASN SEQRES 5 3O 77 LEU TYR ARG ASN ALA GLN SER ASN THR VAL LYS VAL PHE SEQRES 6 3O 77 LYS ASP ILE ASP ALA ALA ILE ILE GLN ASN PHE ARG