Chains and heterogens:
PDB Chain Sequences:
>1s8fA (A:) gamagksslfkvillgdggvgksslmnryvtnkfdtqlfhtigveflnkdlevdghfvtm qiwdtagqerfrslrtpfyrgsdcclltfsvddsqsfqnlsnwkkefiyyadvkepesfp fvilgnkidiserqvsteeaqawcrdngdypyfetsakdatnvaaafeeavrrvlat
>1s8fA (A:) sslfkvillgdggvgksslmnryvtnkfdtqlfhtigveflnkdlevdghfvtmqiwdta gqerfrslrtpfyrgsdcclltfsvddsqsfqnlsnwkkefiyyadvpesfpfvilgnki diserqvsteeaqawcrdngdypyfetsakdatnvaaafeeavrrvla
>1s8fB (B:) gamagksslfkvillgdggvgksslmnryvtnkfdtqlfhtigveflnkdlevdghfvtm qiwdtagqerfrslrtpfyrgsdcclltfsvddsqsfqnlsnwkkefiyyadvkepesfp fvilgnkidiserqvsteeaqawcrdngdypyfetsakdatnvaaafeeavrrvlat
>1s8fB (B:) gamagksslfkvillgdggvgksslmnryvtnkfdlfhtigveflnkdlevdghfvtmqi wdtagqerfrslrtpfyrgsdcclltfsvddsqsfqnlsnwkkefiyyadvkepesfpfv ilgnkidiserqvsteeaqawcrdngdypyfetsakdatnvaaafeeavrrvl