    New chain ID            Original chain ID

6ip5-pdb-bundle1.pdb:
           A                        1A
           B                        1B
           C                        1C
           D                        1D
           E                        1E
           F                        1F
           G                        1G
           H                        1H
           I                        2A

6ip5-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                        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                        20
           0                        21
           1                        3A
           2                        3B

6ip5-pdb-bundle3.pdb:
           A                        3C
           B                        3D
           C                        3E
           D                        3F
           E                        3G
           F                        3H
           G                        3I
           H                        3J
           I                        3K
           J                        3L
           K                        3M
           L                        3N
           M                        3O
           N                        3P
           O                        3Q
           P                        3R
           Q                        zv
           R                        zx
           S                        zy
           T                        zu
