    New chain ID            Original chain ID

9pdw-pdb-bundle1.pdb:
           A                         M
           B                         Y
           C                         Z
           D                         P
           E                         b
           F                         V
           G                         X
           H                         W
           I                         d
           J                         g
           K                         c
           L                         e
           M                         f
           N                         Q
           O                         k
           P                         R
           Q                         l
           R                         S
           S                         m
           T                         T
           U                         n
           V                         h
           W                         j
           X                         i
           Y                         p
           Z                         s
           a                         o
           b                         q
           c                         r
           d                         U
           e                         z
           f                         t
           g                         1
           h                         u
           i                         2
           j                         v
           k                         3
           l                         w
           m                         y
           n                         x
           o                         5
           p                         8
           q                         4
           r                         6
           s                         7
           t                         9
           u                        AF
           v                         0
           w                        AG
           x                        AA
           y                        AH
           z                        AB
           0                        AI
           1                        AC
           2                        AE
           3                        AD
           4                        AK
           5                        AN
           6                        AJ
           7                        AL
           8                        AM
           9                        AO

9pdw-pdb-bundle2.pdb:
           A                        AV
           B                        AP
           C                        AW
           D                        AQ
           E                        AX
           F                        AR
           G                        AY
           H                        AS
           I                        AU
           J                        AT
           K                        Aa
           L                        Ad
           M                        Ab
