    New chain ID            Original chain ID

8rd8-pdb-bundle1.pdb:
           A                         B
           B                         F
           C                         H
           D                        C1
           E                        Z2
           F                        R3
           G                        A4
           H                        E5
           I                        L6
           J                        F7
           K                        D8
           L                        E9
           M                        aA
           N                        MB
           O                        UC
           P                        WD
           Q                        XE
           R                        RF
           S                        FG
           T                        VH
           U                        TI
           V                        fJ
           W                        HK
           X                        OL
           Y                        MM

8rd8-pdb-bundle2.pdb:
           A                        iN
           B                        PO
           C                        SP
           D                        BQ
           E                        GR
           F                        GS
           G                        CT
           H                        KU
           I                        NV
           J                        YW
           K                        IX
           L                        JY
           M                        QZ
           N                        Ba
           O                        Qb
           P                        Nc
           Q                        Kd
           R                        Je
           S                        Af
           T                        Lg
           U                        dh
           V                        Oi
           W                        Pj
           X                        bk
           Y                        Cl
           Z                        Dm
           a                        Sn
           b                        To
           c                        ep
           d                         D
