    New chain ID            Original chain ID

6d9j-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

6d9j-pdb-bundle2.pdb:
           5                         5
           7                         7
           8                         8
           K                         K

6d9j-pdb-bundle3.pdb:
           A                         2
           B                        BB
           C                        CC
           D                        DD
           E                        EE
           F                        FF
           G                        GG
           H                        HH
           I                        II
           J                        JJ
           K                        KK
           L                        LL
           M                        MM
           N                        NN
           O                        OO
           P                        PP
           Q                        QQ
           R                        RR
           S                        SS
           T                        TT
           U                        UU
           V                        VV
           W                        WW
           X                        XX
           Y                        YY
           Z                        ZZ
           a                        aa
           b                        bb
           c                        cc
           d                        dd
           e                        ee
           f                        ff
           g                        gg
           h                        hh
           i                         3
           j                         9
           k                         4
