>1if8A (A:) observed residues (from ATOM records)
hhwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslrilnn
ghafnvefddsqdkavlkggpldgtyrliqfhfhwgsldgqgsehtvdkkkyaaelhlvh
wntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdprg
llpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmvd
nwrpaqplknrqikasfk