    New chain ID            Original chain ID

4v94-pdb-bundle1.pdb:
           F                         F
           H                         H
           G                         G
           E                         E
           B                         B
           D                         D
           A                         A
           C                         C
           N                         N
           P                         P
           O                         O
           M                         M
           J                         J
           L                         L
           I                         I
           K                         K
           f                         f
           h                         h
           g                         g
           e                         e
           b                         b
           d                         d
           a                         a
           c                         c
           n                         n
           p                         p

4v94-pdb-bundle2.pdb:
           o                         o
           m                         m
           j                         j
           l                         l
           i                         i
           k                         k
