    New chain ID            Original chain ID

6x62-pdb-bundle1.pdb:
           A                        AC
           B                        DH
           C                        DK
           D                        DX
           E                        DY
           F                        DZ
           G                        Dd
           H                        EC
           I                        ED
           J                        EH
           K                        EK
           L                        EX
           M                        EY
           N                        EZ
           O                        Ed
           P                        FC
           Q                        FD
           R                        FH
           S                        FK
           T                        FX
           U                        FY
           V                        FZ
           W                        Fd
           X                        GC
           Y                        GD
           Z                        GH
           a                        GK
           b                        AD
           c                        GX
           d                        GY
           e                        GZ
           f                        Gd
           g                        HC
           h                        HD
           i                        HH
           j                        HK
           k                        HX
           l                        HY
           m                        HZ
           n                        Hd
           o                        IC
           p                        ID
           q                        IH
           r                        IK
           s                        IX
           t                        IY
           u                        IZ
           v                        Id
           w                        JC
           x                        JD
           y                        JH
           z                        JK
           0                        JX
           1                        JY
           2                        AH
           3                        JZ
           4                        Jd
           5                        KC
           6                        KD
           7                        KH
           8                        KK
           9                        KX

6x62-pdb-bundle2.pdb:
           A                        KY
           B                        KZ
           C                        Kd
           D                        LC
           E                        LD
           F                        LH
           G                        LK
           H                        LX
           I                        LY
           J                        LZ
           K                        Ld
           L                        MC
           M                        MD
           N                        MH
           O                        MK
           P                        MX
           Q                        MY
           R                        MZ
           S                        Md
           T                        AK
           U                         N
           V                         O
           W                         P
           X                         Q
           Y                         R
           Z                         S
           a                         T
           b                         U
           c                         V
           d                         W
           e                         X
           f                         Y
           g                         Z
           h                        AX
           i                        AY
           j                        AZ
           k                        Ad
           l                        BC
           m                        BD
           n                        BH
           o                        BK
           p                        BX
           q                        BY
           r                        BZ
           s                        Bd
           t                        CC
           u                        CD
           v                        CH
           w                        CK
           x                        CX
           y                        CY
           z                        CZ
           0                        Cd
           1                        DC
           2                        DD
