    New chain ID            Original chain ID

9z4w-pdb-bundle1.pdb:
           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

9z4w-pdb-bundle2.pdb:
           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

9z4w-pdb-bundle3.pdb:
           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

9z4w-pdb-bundle4.pdb:
           t                         t
           u                         u
           v                         v
           w                         w
           x                         x
           y                         y
           z                         z
           0                         0
           1                         1
           2                         2
           3                         3
           4                         4
           5                         5
           6                         6
           7                         7

9z4w-pdb-bundle5.pdb:
           A                         8
           B                         9
           C                        AA
           D                        AB
           E                        AC
           F                        AD
           G                        AE
           H                        AF
           I                        AG
           J                        AH
           K                        AI
           L                        AJ
           M                        AK
           N                        AL
           O                        AM

9z4w-pdb-bundle6.pdb:
           A                        AN
           B                        AO
           C                        AP
