    New chain ID            Original chain ID

7muv-pdb-bundle1.pdb:
           A                        AG
           B                        EH
           C                        EK
           D                        EL
           E                        EN
           F                        EU
           G                        EX
           H                        Ed
           I                        Ef
           J                        FD
           K                        FF
           L                        Fg
           M                        FH
           N                        FK
           O                        FL
           P                        FN
           Q                        FU
           R                        FX
           S                        Fd
           T                        Ff
           U                        BC
           V                        AF
           W                        GD
           X                        GF
           Y                        Gg
           Z                        GH
           a                        GK
           b                        BG
           c                        GL
           d                        GN
           e                        GU
           f                        GX
           g                        Gd
           h                        Gf
           i                        HD
           j                        HF
           k                        Hg
           l                        HH
           m                        HK
           n                        HL
           o                        HM
           p                        HN
           q                        HU
           r                        HX
           s                        Hd
           t                        Hf
           u                        Bg
           v                        ID
           w                        IF
           x                        Ig
           y                        IH
           z                        IK
           0                        IL
           1                        IM
           2                        CG
           3                        IN
           4                        IU
           5                        IX
           6                        Id
           7                        If
           8                        JD
           9                        JF

7muv-pdb-bundle2.pdb:
           A                        Jg
           B                        JH
           C                        JK
           D                        JL
           E                        JN
           F                        JU
           G                        JX
           H                        Jd
           I                        Jf
           J                        AH
           K                        KD
           L                        CC
           M                        KF
           N                        Kg
           O                        KH
           P                        KK
           Q                        KL
           R                        KM
           S                        KN
           T                        DG
           U                        KU
           V                        KX
           W                        Kd
           X                        Kf
           Y                        LD
           Z                        LF
           a                        Lg
           b                        CD
           c                        LH
           d                        LK
           e                        LL
           f                        LM
           g                        LN
           h                        LU
           i                        LX
           j                        Ld
           k                        Lf
           l                        AK
           m                        MD
           n                        MF
           o                        Mg
           p                        MH
           q                        MK
           r                        ML
           s                        MM
           t                        MN
           u                        EG
           v                        MU
           w                        MX
           x                        Md
           y                        Mf
           z                        VF
           0                        VG
           1                        VH
           2                        CF
           3                        VX
           4                        WF
           5                        WG
           6                        WH
           7                        WX
           8                        XF
           9                        XG

7muv-pdb-bundle3.pdb:
           A                        XH
           B                        XX
           C                        YF
           D                        AL
           E                        YG
           F                        YH
           G                        DC
           H                        YX
           I                        ZF
           J                        ZG
           K                        ZH
           L                        FG
           M                        ZX
           N                        AM
           O                        BM
           P                        EM
           Q                        FM
           R                        GM
           S                        JM
           T                        AN
           U                        Cg
           V                        AU
           W                        AX
           X                        Ad
           Y                        Af
           Z                        BD
           a                        BF
           b                        BH
           c                        BK
           d                        BL
           e                        BN
           f                        BU
           g                        BX
           h                        Bd
           i                        Bf
           j                        EC
           k                        FC
           l                        GC
           m                        GG
           n                        HC
           o                        IC
           p                        JC
           q                        KC
           r                        LC
           s                        MC
           t                        CH
           u                        CK
           v                        CL
           w                        CM
           x                        CN
           y                        CU
           z                        CX
           0                        Cd
           1                        Cf
           2                        DD
           3                        DF
           4                        Dg
           5                        DH
           6                        DK
           7                        DL
           8                        DM
           9                        DN

7muv-pdb-bundle4.pdb:
           A                        HG
           B                        IG
           C                        JG
           D                        KG
           E                        LG
           F                        MG
           G                        NG
           H                        OG
           I                        PG
           J                        AC
           K                        DU
           L                        DX
           M                        Dd
           N                        Ag
           O                        Df
           P                        AD
           Q                        ED
           R                        EF
           S                        Eg
