>1fsnB (B:) observed residues (from ATOM records)
hwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslrilnng
hafnvefddsqdkavlkggpldgtyrliqshlhmgsldgqgsehtvdkkkyaaelhlvhw
ntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdprgl
lpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmvdn
wrpaqplknrqikasfk