>1xfgB (B:) observed residues (from ATOM records)
cgivgaiaqrdvaeilleglrrleyrgydsaglavvdaeghmtrlrrlgkvqmlaqaaee
hplhggtgiahtrwathgepsevnahphvsehivvvhngiienheplreelkargytfvs
etdteviahlvnwelkqggtlreavlraipqlrgaygtvimdsrhpdtllaarsgsplvi
glgmgenfiasdqlallpvtrrfifleegdiaeitrrsvnifdktgaevkrqdiesnlq