    New chain ID            Original chain ID

8cue-pdb-bundle1.pdb:
           A                        1A
           B                        1B
           C                        1C
           D                        1D
           E                        1E
           F                        1F
           G                        1G
           H                        1H
           I                        1I
           J                        1J
           K                        1K
           L                        1L
           M                        1M
           N                        1N
           O                        2A
           P                        2B
           Q                        2C
           R                        2D
           S                        2E
           T                        2F
           U                        2G
           V                        2H
           W                        2I
           X                        2J
           Y                        2K
           Z                        2L
           a                        2M
           b                        2N
           c                        3A
           d                        3B
           e                        3C
           f                        3D
           g                        3E
           h                        3F
           i                        3G
           j                        3H
           k                        3I
           l                        3J
           m                        3K
           n                        3L
           o                        3M
           p                        3N
           q                        4A
           r                        4B
           s                        4C
           t                        4D
           u                        4E
           v                        4F
           w                        4G
           x                        4H
           y                        4I
           z                        4J
           0                        4K
           1                        4L
           2                        4M
           3                        4N
           4                        5A
           5                        5B
           6                        5C
           7                        5D
           8                        5E
           9                        5F

8cue-pdb-bundle2.pdb:
           A                        5G
           B                        5H
           C                        5I
           D                        5J
           E                        5K
           F                        5L
           G                        5M
           H                        5N
