    New chain ID            Original chain ID

8fwe-pdb-bundle1.pdb:
           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
           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
           1                         1
           2                         2
           3                         3
           4                         4
           5                         5
           6                         6
           7                         7
           8                         8
           9                         9
           0                         0
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F

8fwe-pdb-bundle2.pdb:
           A                         G
           B                        AA
           C                        AB
           D                        AC
           E                        AD
           F                        AE
           G                        AF
           H                        AG
           I                        AH
           J                        AI
           K                        AJ
           L                        AK
           M                        AL
           N                        AM
           O                        AQ
           P                        AU
           Q                        AR
           R                        AP
           S                        AZ
           T                        R3
           U                        S3
           V                        T3
           W                        U3
           X                        AN
           Y                        AS
           Z                        AV
           a                        AT
           b                         H
           c                        Aa
           d                        R4
           e                        S4
           f                        T4
           g                        U4
           h                        AO
           i                        AW
           j                        AY
           k                        AX
           l                         I
           m                        Ab
           n                        R5
           o                        S5
           p                        T5
           q                        U5
