SEQRES   1 a   37  PRO CYS PHE HIS GLN GLY LYS GLU TYR ALA PRO GLY GLU
SEQRES   2 a   37  THR VAL LYS ILE GLY CYS ASN THR CYS VAL CYS GLN ASP
SEQRES   3 a   37  ARG LYS TRP ASN CYS THR ASP HIS VAL CYS ASP