    New chain ID            Original chain ID

9oab_1-pdb-bundle1.pdb:
           A                        Da
           B                        Db
           C                        Dc
           D                        Dd
           E                        De
           F                        Df
           G                        Dg
           H                        Dh
           I                        Di
           J                        Dj
           K                        Dk
           L                        Dl
           M                        Ea
           N                        Eb
           O                        Ec
           P                        Ed
           Q                        Ee
           R                        Ef
           S                        Eg
           T                        Eh
           U                        Ei
           V                        Ej
           W                        Ek
           X                        El
           Y                        Fa
           Z                        Fb
           a                        Fc
           b                        Fd
           c                        Fe
           d                        Ff
           e                        Ga
           f                        Gb
           g                        Gc
           h                        Gd
           i                        Ge
           j                        Gf
           k                        Gg
           l                        Gh
           m                        Gi
           n                        Gj
           o                        Gk
           p                        Gl
           q                        Ha
           r                        Hb
           s                        Hc
           t                        Hd
           u                        He
           v                        Hf
           w                        Hg
           x                        Hh
           y                        Hi
           z                        Hj
           0                        Hk
           1                        Hl
           2                        Ia
           3                        Ib
           4                        Ic
           5                        Id
           6                        Ie
           7                        If
9oab_1-pdb-bundle2.pdb:
           A                        If
