    New chain ID            Original chain ID

6ip6-pdb-bundle1.pdb:
           A                        1A
           B                        1B
           C                        1C
           D                        1D
           E                        1E
           F                        1F
           G                        1G
           H                        1H
           I                        2A

6ip6-pdb-bundle2.pdb:
           A                        2B
           B                        2C
           C                        2D
           D                        2E
           E                        2F
           F                        2G
           G                        2H
           H                        2I
           I                        2J
           J                        2K
           K                        2L
           L                        2M
           M                        2N
           N                        2O
           O                        2P
           P                        2Q
           Q                        2R
           R                        2S
           S                        2T
           T                        2U
           U                        2V
           V                        2W
           W                        2X
           X                        2Y
           Y                        2Z
           Z                        2a
           a                        2b
           b                        2c
           c                        2d
           d                        2e
           e                        2f
           f                        2g
           g                        2h
           h                        2i
           i                        2j
           j                        2k
           k                        2m
           l                        2n
           m                        2o
           n                        2p
           o                        2q
           p                        2r
           q                        2s
           r                        2t
           s                        2u
           t                        2v
           u                        2w
           v                        2x
           w                        2y
           x                        2z
           y                        20
           z                        21
           0                        3A
           1                        3B
           2                        3C
           3                        3D
           4                        3E

6ip6-pdb-bundle3.pdb:
           A                        3F
           B                        3G
           C                        3H
           D                        3I
           E                        3J
           F                        3K
           G                        3L
           H                        3M
           I                        3N
           J                        3O
           K                        3P
           L                        3Q
           M                        3R
           N                        zv
           O                        zx
           P                        zy
           Q                        zz
