    New chain ID            Original chain ID

9ps0-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                        A0
           M                        A1
           N                        A2
           O                        A3
           P                        A4
           Q                        AA
           R                        AB
           S                        AC
           T                        AD
           U                        AE
           V                        AF
           W                        AG
           X                        AH
           Y                        AI
           Z                        AJ
           a                        AK
           b                        AL
           c                        AM
           d                        AN
           e                        AO
           f                        AP
           g                        AQ

9ps0-pdb-bundle2.pdb:
           A                        AR
           B                        AS
           C                        AT
           D                        AU
           E                        AV
           F                        AW
           G                        AX
           H                        AY
           I                        AZ
           J                        Aw
           K                        Ax
           L                        Az
           M                         B
           N                         D
           O                         E
           P                         F
           Q                         H
           R                         I
           S                         J
           T                         K
           U                         L
           V                         M
           W                         N
           X                         O
           Y                        OX
           Z                         P
           a                         Q
           b                         R
           c                         S
           d                         T
           e                         U
           f                         V
           g                         W
           h                         X
           i                         Y
           j                         Z
           k                         a
           l                         b
           m                         c
           n                         d
           o                         e
           p                         f
           q                         g
           r                         h
           s                         i
           t                         j
           u                         k
           v                         l
           w                         m
           x                         n
           y                         o
           z                         p
           0                         q
           1                         r
           2                         s
           3                         t
           4                         u
           5                         z
