    New chain ID            Original chain ID

9y44-pdb-bundle1.pdb:
           A                        A5
           B                        A7
           C                        A8
           D                        B2

9y44-pdb-bundle2.pdb:
           A                        A6
           B                         A
           C                         n
           D                         B
           E                         C
           F                         D
           G                         E
           H                         F
           I                         G
           J                         H
           K                         I
           L                         J
           M                         L
           N                         M
           O                         N
           P                         O
           Q                         P
           R                         Q
           S                         S
           T                         T
           U                         U
           V                         V
           W                         X
           X                         Y
           Y                         Z
           Z                         a
           a                         b
           b                         d
           c                         e
           d                         f
           e                         g
           f                         h
           g                         i
           h                         j
           i                         k
           j                         l
           k                         m
           l                         o
           m                         p
           n                         r
           o                         s
           p                         t
           q                        cc
           r                        ff
           s                        gg
           t                        dd

9y44-pdb-bundle3.pdb:
           A                        AA
           B                        BB
           C                        DD
           D                        FF
           E                        KK
           F                        MM
           G                        OO
           H                        PP
           I                        QQ
           J                        RR
           K                        SS
           L                        TT
           M                        UU
           N                        ZZ
           O                        bb
           P                        ee
           Q                        aa
           R                        CC
           S                        EE
           T                        GG
           U                        HH
           V                        II
           W                        JJ
           X                        LL
           Y                        NN
           Z                        VV
           a                        WW
           b                        XX
           c                        YY
           d                         W
           e                         c
           f                         u
           g                        Cc
           h                        Bb
           i                        Dd
