    New chain ID            Original chain ID

9qeg-pdb-bundle1.pdb:
           A                         1
           B                         2
           C                         3
           D                         4
           E                         B
           F                         C
           G                         D
           H                         E
           I                         G
           J                         H
           K                         I
           L                         J
           M                         K
           N                         L
           O                         M
           P                         N
           Q                         O
           R                         P
           S                         Q
           T                         R
           U                         S
           V                         T
           W                         U
           X                         V
           Y                         W
           Z                         X
           a                         Z
           b                         F
           c                        11
           d                         A
           e                        Ae
           f                        Af
           g                        Ag
           h                        Ai
           i                        Al
           j                        Ao
           k                        Ap
           l                        Aq
           m                        Ar
           n                        At

9qeg-pdb-bundle2.pdb:
           A                        Aa
           B                        Aj
           C                        Ac
           D                        Am
           E                        Ak
           F                        Ab
           G                        Ah
           H                        Ad
           I                        An
           J                        As
           K                         d
           L                         8
           M                         9
           N                        13
