    New chain ID            Original chain ID

8tob-pdb-bundle1.pdb:
           A                        GA
           B                        HA
           C                        IA
           D                        JA
           E                        KA
           F                        LA
           G                        MA
           H                        NA
           I                        OA
           J                        PA
           K                        QA
           L                        RA
           M                        SA
           N                        TA
           O                        UA
           P                        VA
           Q                        AA
           R                        BA
           S                        CA
           T                        DA
           U                        EA
           V                        FA
           W                        GB
           X                        HB
           Y                        IB
           Z                        JB
           a                        KB
           b                        LB
           c                        MB
           d                        NB
           e                        OB
           f                        PB
           g                        QB
           h                        RB
           i                        SB
           j                        TB
           k                        UB
           l                        VB
           m                        AB
           n                        BB
           o                        CB
           p                        DB
           q                        EB
           r                        FB
