    New chain ID            Original chain ID

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

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