    New chain ID            Original chain ID

6woo-pdb-bundle1.pdb:
           5                         5
           7                         7
           8                         8
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           L                         L
           M                         M
           N                         N

6woo-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                         K
           f                        AA
           g                        BB
           h                        CC
           i                        DD
           j                        EE
           k                        FF
           l                        GG
           m                        HH
           n                        II
           o                        JJ
           p                        KK
           q                        LL
           r                        MM
           s                        NN
           t                        OO
           u                        PP
           v                        QQ
           w                        RR
           x                        SS
           y                        TT
           z                        UU
           0                        VV
           1                        WW
           2                        XX
           3                        YY
           4                        ZZ
           5                        aa
           6                        bb
           7                        cc
           8                        dd
           9                        ee

6woo-pdb-bundle3.pdb:
           A                        ff
           B                        gg
           C                         2
           D                         1
           E                         3
           F                         4
