    New chain ID            Original chain ID

10og_1-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         F
           D                         G
           E                         H
           F                         I
           G                         J
           H                         K
           I                         L
           J                         M
           K                         N
           L                         1
           M                         2
           N                         O
           O                         P
           P                         T
           Q                         U
           R                         V
           S                         W
           T                         X
           U                         Y
           V                         Z
           W                         C
           X                        CA
10og_1-pdb-bundle2.pdb:
           A                        CA
           B                         D
           C                         E
           D                         a
           E                         b
           F                         Q
           G                        DA
           H                         R
           I                         S
