>1toaB (B:) observed residues (from ATOM records)
gkplvvttigmiadavkniaqgdvhlkglmgpgvdphlytatagdvewlgnadlilyngl
hletkmgevfsklrgsrlvvavsetipvsqrlsleeaefdphvwfdvklwsysvkavyes
lckllpgktreftqryqayqqqldkldayvrrkaqslpaerrvlvtahdafgyfsraygf
evkglqgvstaseasahdmqelaafiaqrklpaifiessiphknvealrdavqarghvvq
iggelfsdamgdagtsegtyvgmvthnidtivaalar