    New chain ID            Original chain ID

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

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

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

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