>1f6tB (B:) SEQRES residues
kvnkertflavkpdgvarglvgeiiaryekkgfvlvglkqlvptkdlaeshyaehkerpf
fgglvsfitsgpvvamvfegkgvvasarlmigvtnplasapgsirgdfgvdvgrniihgs
dsvesanreialwfkpeelltevkpnpnlye