>1buxB (B:) observed residues (from ATOM records)
vnkertflavkpdgvarglvgeiiaryekkgfvlvglkqlvptkdlaeshyaehkerpff
gglvsfitsgpvvamvfegkgvvasarlmigvtnplasapgsirgdfgvdvgrniihgsd
svesanreialwfkpeelltevkpnpnlye