    New chain ID            Original chain ID

9v95_1-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
           L                         M
           M                         N
           N                         O
           O                         Q
           P                         S
           Q                         U
           R                         V
           S                         W
           T                         Y
           U                         Z
           V                         a
           W                         c
           X                         d
           Y                         e
           Z                         f
           a                         g
           b                         h
           c                         i
           d                         k
           e                         l
           f                         m
9v95_1-pdb-bundle2.pdb:
           A                         m
           B                         n
