    New chain ID            Original chain ID

9ti4_1-pdb-bundle1.pdb:
           A                         C
           B                         D
           C                         E
           D                         F
           E                         G
           F                         H
           G                         I
           H                         J
           I                         K
           J                         L
           K                         M
           L                         N
           M                         O
           N                         P
           O                         Q
           P                         S
           Q                         T
           R                         U
           S                         V
           T                         W
           U                         X
           V                         Y
           W                         Z
           X                         a
           Y                         b
           Z                         c
           a                         d
           b                         e
           c                         f
           d                         g
           e                         h
           f                         i
           g                         j
           h                         k
           i                         l
9ti4_1-pdb-bundle2.pdb:
           A                         l
           B                         m
           C                         n
           D                         o
           E                         p
           F                         r
           G                         s
           H                         u
           I                         v
           J                         w
           K                         t
