    New chain ID            Original chain ID

8h6k-pdb-bundle1.pdb:
           A                         A
           B                        5A
           C                        5B
           D                        5C
           E                        5D
           F                        5E
           G                        5a
           H                        5b
           I                        5c
           J                        5d
           K                        5e
           L                        5f
           M                        5g
           N                        6A
           O                        6a
           P                        6b
           Q                        6c
           R                        6d
           S                        6e
           T                        6f
           U                        6g
           V                        4A
           W                        4B
           X                        4C
           Y                        4D
           Z                        4E
           a                        4F
           b                        4G
           c                        4H
           d                        4I
           e                        4J
           f                        4K
           g                        4L
           h                        4M
           i                        4N
           j                        4Z
           k                        4a
           l                        4b
           m                        4c
           n                        4d
           o                        4e
           p                        4f
           q                        4g
           r                        2A
           s                        2B
           t                        2C
           u                        2D
           v                        2E
           w                        2F
           x                        2G
           y                        2H
           z                        2I
           0                        2J
           1                        2K
           2                        2L
           3                        2M
           4                        2a
           5                        2b
           6                        2c
           7                        2d
           8                        2e
           9                        2f

8h6k-pdb-bundle2.pdb:
           A                        2g
