    New chain ID            Original chain ID

9ntm-pdb-bundle1.pdb:
           A                        1A
           B                        1B
           C                        1C
           D                        1D
           E                        1E
           F                        AA
           G                        AB
           H                        AC
           I                        AD
           J                        AE
           K                        AF
           L                        BA
           M                        BB
           N                        BC
           O                        BD
           P                        BE
           Q                        BF
           R                        CA
           S                        CB
           T                        CC
           U                        CD
           V                        CE
           W                        CF
           X                        DA
           Y                        DB
           Z                        DC
           a                        DD
           b                        DE
           c                        DF
           d                        EA
           e                        EB
           f                        EC

9ntm-pdb-bundle2.pdb:
           A                        ED
           B                        EE
           C                        EF
           D                        FA
           E                        FB
           F                        FC
           G                        FD
           H                        FE
           I                        FF
           J                        GA
           K                        GB
           L                        GC
           M                        GD
           N                        GE
           O                        GF
           P                        HA
           Q                        HB
           R                        HC
           S                        HD
           T                        HE
           U                        HF
           V                        IA
           W                        IB
           X                        IC
           Y                        ID
           Z                        IE
           a                        IF
           b                        JA
           c                        JB

9ntm-pdb-bundle3.pdb:
           A                        JC
           B                        JD
           C                        JE
           D                        JF
           E                        KA
           F                        KB
           G                        KC
           H                        KD
           I                        KE
           J                        KF
           K                        LA
           L                        LB
           M                        LC
           N                        LD
           O                        LE
           P                        LF
           Q                        MA
           R                        MB
           S                        MC
           T                        MD
           U                        ME
           V                        MF
           W                        NA
           X                        NB
           Y                        NC
           Z                        ND
           a                        NE
           b                        NF
