    New chain ID            Original chain ID

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

5leg-pdb-bundle2.pdb:
           A                        4O
           B                        4P
           C                        5A
           D                        5B
           E                        5C
           F                        5D
           G                        5E
           H                        5F
           I                        5G
           J                        5H
           K                        5I
           L                        5J
           M                        5K
           N                        5L
           O                        5M
           P                        5N
           Q                        5O
           R                        5P
