SEQRES   1 B7   69  GLU GLU GLU LEU VAL ASP PRO LEU THR THR VAL ARG GLU
SEQRES   2 B7   69  GLN CYS GLU GLN LEU GLU LYS CYS VAL LYS ALA ARG GLU
SEQRES   3 B7   69  ARG LEU GLU LEU CYS ASP GLU ARG VAL SER SER ARG SER
SEQRES   4 B7   69  GLN THR GLU GLU ASP CYS THR GLU GLU LEU LEU ASP PHE
SEQRES   5 B7   69  LEU HIS ALA ARG ASP HIS CYS VAL ALA HIS LYS LEU PHE
SEQRES   6 B7   69  ASN SER LEU LYS