SEQRES 1 G 55 GLY ARG CYS LYS CYS ASN GLY HIS ALA ALA ARG CYS VAL SEQRES 2 G 55 ARG ASP ARG ASP ASP SER LEU VAL CYS ASP CYS ARG HIS SEQRES 3 G 55 ASN THR ALA GLY PRO GLU CYS ASP ARG CYS LYS PRO PHE SEQRES 4 G 55 HIS TYR ASP ARG PRO TRP GLN ARG ALA THR ALA ARG GLU SEQRES 5 G 55 ALA ASN GLU