SEQRES 1 E 42 ASP CYS ALA LYS GLU GLY GLU VAL CYS SER TRP GLY LYS SEQRES 2 E 42 LYS CYS CYS ASP LEU ASP ASN PHE TYR CYS PRO MET GLU SEQRES 3 E 42 PHE ILE PRO HIS CYS LYS LYS TYR LYS PRO TYR VAL PRO SEQRES 4 E 42 VAL THR THR