    New chain ID            Original chain ID

9uf8-pdb-bundle1.pdb:
           N                         N
           F                         F
           O                         O
           G                         G
           P                         P
           H                         H
           Q                         Q
           I                         I
           R                         R
           J                         J
           S                         S
           K                         K
           T                         T
           L                         L
           i                         i
           M                         M
           g                         g
           U                         U
           h                         h
           V                         V
           j                         j
           W                         W
           k                         k
           X                         X
           l                         l
           Y                         Y
           m                         m
           Z                         Z
           n                         n
           a                         a
           o                         o
           b                         b
           p                         p
           c                         c
           q                         q
           d                         d
           r                         r
           e                         e
           s                         s
           f                         f
           t                         t
           A                         A
           u                         u
           B                         B
           C                         C

9uf8-pdb-bundle2.pdb:
           D                         D
           E                         E
