    New chain ID            Original chain ID

8z5u-pdb-bundle1.pdb:
           A                         D
           B                         E
           C                         F
           D                         G
           E                         H
           F                         I
           G                         J
           H                         K
           I                         L
           J                         M
           K                         N
           L                         O
           M                         0
           N                         1
           O                         2
           P                         3
           Q                         4
           R                         5
           S                         6
           T                         7
           U                         8
           V                         9
           W                         A
           X                        AA
           Y                        AB
           Z                        AC
           a                        AD
           b                        AE
           c                        AF
           d                        AG
           e                        AH
           f                        AI
           g                        AJ
           h                        AK
           i                        AL
           j                        AM
           k                        AN
           l                        AO
           m                         B
           n                         C
           o                        AP
           p                        AQ
           q                        AR
           r                        AS
           s                        AT
           t                        AU
           u                        AV
           v                        AW
           w                        AX
           x                        AY
           y                        AZ
           z                        Aa
           0                         P
           1                         Q
           2                         R
           3                         S
           4                         T
           5                         U
           6                         V
           7                         W
           8                         X
           9                         Y

8z5u-pdb-bundle2.pdb:
           Z                         Z
           a                         a
           b                         b
           c                         c
           d                         d
           e                         e
           f                         f
           g                         g
           h                         h
           i                         i
           j                         j
           k                         k
           l                         l
           m                         m
           n                         n
           o                         o
           p                         p
           q                         q
           r                         r
           s                         s
           t                         t
           u                         u
           v                         v
           w                         w
           x                         x
           y                         y
           z                         z
