    New chain ID            Original chain ID

9hc4-pdb-bundle1.pdb:
           A                         F
           B                        C1
           C                        R3
           D                        A4
           E                        E5
           F                        L6
           G                        F7
           H                        E9
           I                        aA
           J                        MB
           K                        UC
           L                        WD
           M                        XE
           N                        RF
           O                        FG
           P                        VH
           Q                        TI
           R                        fJ
           S                        HK
           T                        OL
           U                        MM
           V                        PO
           W                        SP
           X                        BQ
           Y                        GR
           Z                        GS
           a                        CT
           b                        KU
           c                        NV
           d                        YW
           e                        IX
           f                        JY
           g                        QZ
           h                        Ba
           i                        Qb
           j                        Nc
           k                        Kd
           l                        Je
           m                        Af
           n                        Lg
           o                        dh
           p                        Oi
           q                        Pj
           r                        bk
           s                        Cl
           t                        Dm
           u                        Sn
           v                        To
           w                        ep
           x                         A
           y                        D8
           z                        iN

9hc4-pdb-bundle2.pdb:
           A                        Z2
