SEQRES 1 B 74 PRO ILE VAL LEU PRO GLU LYS ASP SER TRP THR VAL ASN SEQRES 2 B 74 ASP ILE GLN LYS LEU VAL GLY LYS LEU ASN TRP ALA SER SEQRES 3 B 74 GLN ILE TYR PRO GLY ILE LYS VAL ARG GLN LEU SER LYS SEQRES 4 B 74 LEU LEU ARG GLY THR LYS ALA LEU THR GLU VAL ILE PRO SEQRES 5 B 74 LEU THR GLU GLU ALA GLU LEU GLU LEU ALA GLU ASN ARG SEQRES 6 B 74 GLU ILE LEU LYS GLU PRO VAL HIS GLY