>1fsrB (B:) observed residues (from ATOM records)
hhwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslrilnn
ghafnvefddsqdkavlkggpldgtyrliqshlhmgsldgqgsehtvdkkkyaaelhlvh
wntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdprg
llpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmvd
nwrpaqplknrqikasfk