SEQRES 1 G 72 CYS SER PRO VAL CYS PRO ALA GLY MET GLU TYR ARG GLN SEQRES 2 G 72 CYS VAL SER PRO CYS ALA ARG THR CYS GLN SER LEU HIS SEQRES 3 G 72 ILE ASN GLU MET CYS GLN GLU ARG CYS VAL ASP GLY CYS SEQRES 4 G 72 SER CYS PRO GLU GLY GLN LEU LEU ASP GLU GLY LEU CYS SEQRES 5 G 72 VAL GLU SER THR GLU CYS PRO CYS VAL HIS SER GLY LYS SEQRES 6 G 72 ARG TYR PRO PRO GLY THR SER