    New chain ID            Original chain ID

7mus-pdb-bundle1.pdb:
           A                        AG
           B                        GD
           C                        GF
           D                        Gg
           E                        GH
           F                        GK
           G                        GL
           H                        GM
           I                        GN
           J                        GU
           K                        GX
           L                        Gd
           M                        Gf
           N                        HD
           O                        HF
           P                        Hg
           Q                        Dd
           R                        HH
           S                        HK
           T                        HL
           U                        HM
           V                        HN
           W                        HU
           X                        HX
           Y                        Hd
           Z                        Hf
           a                        Bg
           b                        BG
           c                        ID
           d                        IF
           e                        Ig
           f                        IH
           g                        IK
           h                        IL
           i                        IM
           j                        IN
           k                        IU
           l                        IX
           m                        Id
           n                        If
           o                        JD
           p                        JF
           q                        Jg
           r                        JH
           s                        JK
           t                        JL
           u                        JM
           v                        JN
           w                        JU
           x                        JX
           y                        Jd
           z                        Jf
           0                        AH
           1                        KD
           2                        CG
           3                        CC
           4                        KF
           5                        Kg
           6                        KH
           7                        KK
           8                        KL
           9                        KM

7mus-pdb-bundle2.pdb:
           A                        KN
           B                        KU
           C                        Ag
           D                        KX
           E                        Kd
           F                        Kf
           G                        LD
           H                        LF
           I                        Lg
           J                        LH
           K                        LK
           L                        LL
           M                        LM
           N                        LN
           O                        LU
           P                        LX
           Q                        CD
           R                        Ld
           S                        Lf
           T                        DG
           U                        AK
           V                        MD
           W                        MF
           X                        Cg
           Y                        Mg
           Z                        MH
           a                        MK
           b                        Df
           c                        ML
           d                        MM
           e                        MN
           f                        MU
           g                        MX
           h                        Md
           i                        Mf
           j                        VF
           k                        VG
           l                        VH
           m                        VX
           n                        WF
           o                        WG
           p                        WH
           q                        WX
           r                        XF
           s                        XG
           t                        CF
           u                        EG
           v                        XH
           w                        XX
           x                        YF
           y                        AL
           z                        YG
           0                        YH
           1                        YX
           2                        ZF
           3                        AD
           4                        ZG
           5                        ZH
           6                        ZX
           7                        AM
           8                        AN
           9                        AU

7mus-pdb-bundle3.pdb:
           A                        AX
           B                        Ad
           C                        Af
           D                        BD
           E                        BF
           F                        BH
           G                        BK
           H                        BL
           I                        BM
           J                        BN
           K                        BU
           L                        FG
           M                        BX
           N                        Bd
           O                        Bf
           P                        Dg
           Q                        EC
           R                        FC
           S                        DC
           T                        GC
           U                        ED
           V                        HC
           W                        MC
           X                        JC
           Y                        KC
           Z                        LC
           a                        CH
           b                        CK
           c                        CL
           d                        CM
           e                        CN
           f                        CU
           g                        CX
           h                        Cd
           i                        Cf
           j                        DD
           k                        DF
           l                        DH
           m                        GG
           n                        DK
           o                        DL
           p                        DM
           q                        DN
           r                        DU
           s                        DX
           t                        EF
           u                        Eg
           v                        EH
           w                        EK
           x                        EL
           y                        EM
           z                        EN
           0                        EU
           1                        EX
           2                        Ed
           3                        Ef
           4                        FD
           5                        FF
           6                        Fg
           7                        FH
           8                        FK
           9                        FL

7mus-pdb-bundle4.pdb:
           A                        HG
           B                        IG
           C                        JG
           D                        KG
           E                        LG
           F                        MG
           G                        NG
           H                        OG
           I                        PG
           J                        AC
           K                        FM
           L                        FN
           M                        FU
           N                        FX
           O                        Fd
           P                        Ff
           Q                        BC
           R                        IC
           S                        AF
