    New chain ID            Original chain ID

3jah-pdb-bundle1.pdb:
           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
           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
           r                         r
           s                         s
           t                         t
           1                         1
           2                         2
           3                         3

3jah-pdb-bundle2.pdb:
           5                         5
           7                         7
           8                         8

3jah-pdb-bundle3.pdb:
           A                         9
           B                        AA
           C                        BB
           D                        CC
           E                        DD
           F                        EE
           G                        FF
           H                        GG
           I                        HH
           J                        II
           K                        JJ
           L                        KK
           M                        LL
           N                        MM
           O                        NN
           P                        OO
           Q                        PP
           R                        QQ
           S                        RR
           T                        SS
           U                        TT
           V                        UU
           W                        VV
           X                        WW
           Y                        XX
           Z                        YY
           a                        ZZ
           b                        aa
           c                        bb
           d                        cc
           e                        dd
           f                        ee
           g                        ff
           h                        gg
           i                        hh
           j                        ii
           k                        jj
