>2fwlB (B:) observed residues (from ATOM records)
ytlathtagvipagklervdpttvrqegpwadpaqavvqtgpnqytvyvlafafgyqpnp
ievpqgaeivfkitspdvihgfhvegtninvevlpgevstvrytfkrpgeyriicnqycg
lghqnmfgtivvke