Chains and heterogens:
PDB Chain Sequences:
>1xffA (A:) cgivgaiaqrdvaeilleglrrleyrgydsaglavvdaeghmtrlrrlgkvqmlaqaaee hplhggtgiahtrwathgepsevnahphvsehivvvhngiienheplreelkargytfvs etdteviahlvnwelkqggtlreavlraipqlrgaygtvimdsrhpdtllaarsgsplvi glgmgenfiasdqlallpvtrrfifleegdiaeitrrsvnifdktgaevkrqdiesnlqy
>1xffA (A:) cgivgaiaqrdvaeilleglrrleyrgydsaglavvdaeghmtrlrrlgkvqmlaqaaee hplhggtgiahtrwathgepsevnahphvsehivvvhngiienheplreelkargytfvs etdteviahlvnwelkqggtlreavlraipqlrgaygtvimdsrhpdtllaarsgsplvi glgmgenfiasdqlallpvtrrfifleegdiaeitrrsvnifdktgaevkrqdiesnl
>1xffB (B:) cgivgaiaqrdvaeilleglrrleyrgydsaglavvdaeghmtrlrrlgkvqmlaqaaee hplhggtgiahtrwathgepsevnahphvsehivvvhngiienheplreelkargytfvs etdteviahlvnwelkqggtlreavlraipqlrgaygtvimdsrhpdtllaarsgsplvi glgmgenfiasdqlallpvtrrfifleegdiaeitrrsvnifdktgaevkrqdiesnlqy
>1xffB (B:) cgivgaiaqrdvaeilleglrrleyrgydsaglavvdaeghmtrlrrlgkvqmlaqaaee hplhggtgiahtrwathgepsevnahphvsehivvvhngiienheplreelkargytfvs etdteviahlvnwelkqggtlreavlraipqlrgaygtvimdsrhpdtllaarsgsplvi glgmgenfiasdqlallpvtrrfifleegdiaeitrrsvnifdktgaevkrqdiesnlq