    New chain ID            Original chain ID

8xlh-pdb-bundle1.pdb:
           A                         A
           E                         E
           I                         I
           D                         D
           H                         H
           L                         L
           C                         C
           G                         G
           K                         K

8xlh-pdb-bundle2.pdb:
           B                         B
           F                         F
           J                         J
