>1s5zF (F:) observed residues (from ATOM records)
vnkertflavkpdgvarglvgeiiaryekkgfvlvglkqlvptkdlaeshyaehkerpff
gglvsfitsgpvvamvfegkgvvasarlmigvtnplasapgsirgdfgvdvgrniihgsd
svesanreialwfkpeelltevkpnpnlye