SEQRES 1 E 57 GLY SER LEU LYS SER ALA CYS VAL VAL CYS LEU SER SER SEQRES 2 E 57 PHE LYS SER CYS VAL PHE LEU GLU CYS GLY HIS VAL CYS SEQRES 3 E 57 SER CYS THR GLU CYS TYR ARG ALA LEU PRO GLU PRO LYS SEQRES 4 E 57 LYS CYS PRO ILE CYS ARG GLN ALA ILE THR ARG VAL ILE SEQRES 5 E 57 PRO LEU TYR ASN SER