    New chain ID            Original chain ID

8fjk-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           K                         K

8fjk-pdb-bundle2.pdb:
           A                         L
           B                         M
           C                         N
           D                         V
           E                         W
           F                         X
           G                         Y
           H                         Z
           I                         a
           J                        a1
           K                        a2
           L                        a3
           M                        a4
           N                        a5
           O                        a6
           P                         b
           Q                        b1
           R                        b2
           S                        b3
           T                        b4
           U                        b5
           V                        b6
           W                         c
           X                         d
           Y                         e
           Z                         f
           a                         g
           b                         h
           c                         i
           d                         k
           e                         l
           f                         m

8fjk-pdb-bundle3.pdb:
           n                         n
