    New chain ID            Original chain ID

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

9pdv-pdb-bundle2.pdb:
           A                        AS
           B                        AU
           C                        AV
           D                        AX
           E                        AW
           F                        AY
           G                        AZ
           H                        Ab
           I                        Aa
           J                        Ac
           K                        Ad
           L                        Af
           M                        Ae
           N                        Ag
           O                        Ah
           P                        Aj
           Q                        Ai
           R                        Ak
           S                        Al
           T                        An
           U                        Am
           V                        Ao
           W                        Ap
           X                        Ar
           Y                        Aq
           Z                        As
           a                        At
           b                        Av
           c                        Au
           d                        Aw
           e                        Ax
           f                        Az
           g                        Ay
           h                        A1
           i                        A2
           j                        A4
           k                        A3
           l                        A5
