    New chain ID            Original chain ID

9zn8_1-pdb-bundle1.pdb:
           A                         L
           B                         I
           C                         J
           D                         K
           E                         E
           F                         A
           G                         C
           H                         D
9zn8_1-pdb-bundle2.pdb:
           A                         D
           B                         B
           C                         H
           D                         F
           E                         G
