    New chain ID            Original chain ID

8z5x-pdb-bundle1.pdb:
           A                         0
           B                         1
           C                         2
           D                         3
           E                         4
           F                         5
           G                         6
           H                         7
           I                         8
           J                         9
           K                         A
           L                        AA
           M                        AB
           N                        AC
           O                        AD
           P                        AE
           Q                        AF
           R                        AG
           S                        AH
           T                        AI
           U                        AJ
           V                        AK
           W                        AL
           X                        AM
           Y                        AN
           Z                        AO
           a                        AP
           b                        AQ
           c                        AR
           d                        AS
           e                        AT
           f                        AU
           g                        AV
           h                        AW
           i                        AX
           j                        AY
           k                        AZ
           l                        Aa
           m                        Ab
           n                        Ac
           o                        Ad
           p                        Ae
           q                        Af
           r                        Ag
           s                        Ah
           t                        Ai
           u                        Aj
           v                        Ak
           w                        Al
           x                         B
           y                         C
           z                         D
           0                         E
           1                         F
           2                         G
           3                         H
           4                         I
           5                         J
           6                         K
           7                         L
           8                         M
           9                         N

8z5x-pdb-bundle2.pdb:
           A                         O
           B                         P
           C                         Q
           D                         R
           E                         S
           F                         T
           G                         U
           H                         V
           I                         W
           J                         X
           K                         Y
           L                         Z
           M                         a
           N                         b
           O                         c
           P                         d
           Q                         e
           R                         f
           S                         g
           T                         h
           U                         i
           V                         j
           W                         k
           X                         l
           Y                         m
           Z                         n
           a                         o
           b                         p
           c                         q
           d                         r
           e                         s
           f                         t
           g                         u
           h                         v
           i                         w
           j                         x
           k                         y
           l                         z
           m                        Am
           n                        An
           o                        Ao
           p                        Ap
           q                        Aq
           r                        Ar
           s                        As
           t                        At
           u                        Au
           v                        Av
           w                        Aw
