    New chain ID            Original chain ID

9hz7-pdb-bundle1.pdb:
           L                         L
           M                         M
           A                         A
           N                         N
           B                         B
           O                         O
           C                         C
           P                         P
           D                         D
           Q                         Q
           E                         E
           R                         R
           F                         F
           S                         S
           G                         G
           T                         T
           H                         H
           U                         U
           I                         I
           V                         V

9hz7-pdb-bundle2.pdb:
           J                         J
           W                         W
           K                         K
           X                         X
