    New chain ID            Original chain ID

8t2f-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           E                         E
           D                         D
           F                         F
           H                         H
           L                         L
           G                         G
           I                         I
           J                         J
           K                         K
           M                         M
