    New chain ID            Original chain ID

7a4j-pdb-bundle1.pdb:
           A                        AA
           B                        AB
           C                        AC
           D                        AD
           E                        BA
           F                        BB
           G                        BC
           H                        BD
           I                        CA
           J                        CB
           K                        CC
           L                        CD
           M                        DA
           N                        DB
           O                        DC
           P                        DD
           Q                        EA
           R                        EB
           S                        EC
           T                        ED
           U                        FA
           V                        FB
           W                        FC
           X                        FD
           Y                        GA
           Z                        GB
           a                        GC
           b                        GD
           c                        HA
           d                        HB
           e                        HC
           f                        HD
           g                        IA
           h                        IB
           i                        IC
           j                        ID
           k                        5A
           l                        5B
           m                        5C
           n                        5D
           o                        JA
           p                        JB
           q                        JC
           r                        JD
           s                        KA
           t                        KB
           u                        KC
           v                        KD
           w                        LA
           x                        LB
           y                        LC
           z                        LD
           0                        MA
           1                        MB
           2                        MC
           3                        MD
           4                        NA
           5                        NB
           6                        NC
           7                        ND
           8                        OA
           9                        OB

7a4j-pdb-bundle2.pdb:
           A                        OC
           B                        OD
           C                        PA
           D                        PB
           E                        PC
           F                        PD
           G                        6A
           H                        6B
           I                        6C
           J                        6D
           K                        7A
           L                        7B
           M                        7C
           N                        7D
           O                        QA
           P                        QB
           Q                        QC
           R                        QD
           S                        RA
           T                        RB
           U                        RC
           V                        RD
           W                        SA
           X                        SB
           Y                        SC
           Z                        SD
           a                        TA
           b                        TB
           c                        TC
           d                        TD
           e                        UA
           f                        UB
           g                        UC
           h                        UD
           i                        VA
           j                        VB
           k                        VC
           l                        VD
           m                        WA
           n                        WB
           o                        WC
           p                        WD
           q                        XA
           r                        XB
           s                        XC
           t                        XD
           u                        YA
           v                        YB
           w                        YC
           x                        YD
           y                        ZA
           z                        ZB
           0                        ZC
           1                        ZD
           2                        aA
           3                        aB
           4                        aC
           5                        aD
           6                        bA
           7                        bB
           8                        bC
           9                        bD

7a4j-pdb-bundle3.pdb:
           A                        cA
           B                        cB
           C                        cC
           D                        cD
           E                        dA
           F                        dB
           G                        dC
           H                        dD
           I                        eA
           J                        eB
           K                        eC
           L                        eD
           M                        fA
           N                        fB
           O                        fC
           P                        fD
           Q                        gA
           R                        gB
           S                        gC
           T                        gD
           U                        hA
           V                        hB
           W                        hC
           X                        hD
           Y                        iA
           Z                        iB
           a                        iC
           b                        iD
           c                        jA
           d                        jB
           e                        jC
           f                        jD
           g                        kA
           h                        kB
           i                        kC
           j                        kD
           k                        lA
           l                        lB
           m                        lC
           n                        lD
           o                        mA
           p                        mB
           q                        mC
           r                        mD
           s                        nA
           t                        nB
           u                        nC
           v                        nD
           w                        oA
           x                        oB
           y                        oC
           z                        oD
           0                        pA
           1                        pB
           2                        pC
           3                        pD
           4                        qA
           5                        qB
           6                        qC
           7                        qD
           8                        rA
           9                        rB

7a4j-pdb-bundle4.pdb:
           A                        rC
           B                        rD
           C                        sA
           D                        sB
           E                        sC
           F                        sD
           G                        tA
           H                        tB
           I                        tC
           J                        tD
           K                        uA
           L                        uB
           M                        uC
           N                        uD
           O                        vA
           P                        vB
           Q                        vC
           R                        vD
           S                        wA
           T                        wB
           U                        wC
           V                        wD
           W                        xA
           X                        xB
           Y                        xC
           Z                        xD
           a                        yA
           b                        yB
           c                        yC
           d                        yD
           e                        zA
           f                        zB
           g                        zC
           h                        zD
           i                        0A
           j                        0B
           k                        0C
           l                        0D
           m                        1A
           n                        1B
           o                        1C
           p                        1D
           q                        2A
           r                        2B
           s                        2C
           t                        2D
           u                        3A
           v                        3B
           w                        3C
           x                        3D
           y                        4A
           z                        4B
           0                        4C
           1                        4D
