    New chain ID            Original chain ID

9smd-pdb-bundle1.pdb:
           A                         0
           B                         1
           C                        10
           D                        11
           E                        12
           F                        17
           G                         2
           H                         3
           I                         4

9smd-pdb-bundle2.pdb:
           A                         5
           B                         6
           C                         7
           D                         8
           E                         9
           F                         A
           G                        AA
           H                        AB
           I                        AC
           J                         C
           K                         E
           L                         F
           M                         G
           N                         H
           O                         I
           P                         J
           Q                         K
           R                         L
           S                         M
           T                         N
           U                         O
           V                         P
           W                         Q
           X                         R
           Y                         S
           Z                         T
           a                         W
           b                         Y
           c                         Z
           d                         a
           e                         b
           f                         c
           g                         d
           h                         e
           i                         f
           j                         g
           k                         h
           l                         i
           m                         j
           n                         k
           o                         l
           p                         m
           q                         n
           r                         o
           s                         p
           t                         q
           u                         r
           v                         s
           w                         t
           x                         u
           y                         v
           z                         w
           0                         x
           1                         y
           2                         z
           3                        13

9smd-pdb-bundle3.pdb:
           A                        14
           B                        15
           C                        18
           D                        16
