    New chain ID            Original chain ID

9q7q-pdb-bundle1.pdb:
           0                         0
           1                         1
           2                         2
           4                         4
           5                         5
           6                         6
           7                         7
           8                         8
           9                         9
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F

9q7q-pdb-bundle2.pdb:
           A                         G
           B                         H
           C                         I
           D                         J
           E                         K
           F                         L
           G                         M
           H                         N
           I                         O
           J                         P
           K                         Q
           L                         R
           M                         S
           N                         T
           O                         U
           P                         V
           Q                         W
           R                         X
           S                         Y
           T                         Z
           U                         a
           V                         b
           W                         c
           X                         d
           Y                         e
           Z                         f
           a                         g
           b                         h
           c                         i
           d                         j
           e                         k
           f                         l
           g                         m
           h                         n
           i                         o
           j                         p
           k                         q
           l                         r
           m                         s
           n                         t
           o                         u
           p                         v
           q                         w
           r                         x
           s                         y
           t                         z
           u                        AA
           v                        BB
           w                        CC
           x                        DD
           y                        EE
           z                        FF
           0                        GG
           1                        HH
           2                        II
           3                        JJ
           4                        KK

9q7q-pdb-bundle3.pdb:
           A                        LL
           B                        MM
           C                        NN
           D                        OO
           E                        PP
           F                        QQ
           G                        RF
           H                        RR
           I                        SS
           J                        TT
           K                        UU
           L                        VV
           M                        WW
           N                        AB
