    New chain ID            Original chain ID

9q2m_1-pdb-bundle1.pdb:
           A                         R
           B                         W
           C                        AA
           D                        BB
           E                        CC
           F                        EE
           G                        GG
           H                        HH
           I                        II
           J                        JJ
           K                        LL
           L                        NN
           M                        OO
           N                        VV
           O                        WW
           P                        XX
           Q                        YY
           R                        aa
           S                        bb
           T                        ee
           U                        DD
           V                        FF
           W                        KK
           X                        MM
           Y                        PP
           Z                        QQ
           a                        RR
           b                        SS
           c                        TT
           d                        UU
           e                        ZZ
           f                        cc
           g                        dd
           h                        ff
           i                         A
           j                         B
           k                         C
           l                         D
           m                         E
           n                         F
           o                         G
           p                         H
           q                         I
           r                         J
           s                         L
           t                         M
           u                         N
           v                         O
           w                         P
           x                         Q
           y                         S
           z                         T
           0                         U
           1                         V
           2                         X
           3                         Y
           4                         Z
           5                         a
           6                         b
           7                         c
           8                         d
           9                         e
9q2m_1-pdb-bundle2.pdb:
           A                         f
           B                         g
           C                         h
           D                         i
           E                         j
           F                         k
           G                         l
           H                         m
           I                         o
           J                         p
           K                         r
           L                         s
           M                         t
           N                        EF
9q2m_1-pdb-bundle3.pdb:
           A                        EF
