    New chain ID            Original chain ID

9q1s_1-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         E
           E                         G
           F                         H
           G                         I
           H                         J
           I                         L
           J                         N
           K                         O
           L                         R
           M                         V
           N                         W
           O                         X
           P                         Y
           Q                         a
           R                         b
           S                         e
           T                         D
           U                         F
           V                         M
           W                         P
           X                         Q
           Y                         S
           Z                         T
           a                         U
           b                         Z
           c                         c
           d                         d
           e                         f
           f                         g
           g                         h
           h                         i
           i                         j
           j                         k
           k                         l
           l                         m
           m                         o
           n                         p
           o                         r
           p                         K
           q                        AA
           r                        BB
           s                        CC
           t                        EE
           u                        GG
           v                        HH
           w                        II
           x                        JJ
           y                        LL
           z                        NN
           0                        OO
           1                        VV
           2                        WW
           3                        XX
           4                        YY
           5                        aa
           6                        bb
           7                        ee
           8                        DD
           9                        FF
9q1s_1-pdb-bundle2.pdb:
           A                        KK
           B                        PP
           C                        QQ
           D                        RR
           E                        SS
           F                        TT
           G                        UU
           H                        ZZ
           I                        cc
           J                        dd
