    New chain ID            Original chain ID

6e8g-pdb-bundle1.pdb:
           A                         S
           B                         T
           C                         A
           D                         B
           E                         C
           F                         D
           G                         E
           H                         F
           I                         G
           J                         H
           K                         I
           L                         J
           M                         K
           N                         L
           O                         M
           P                         N
           Q                         O
           R                         P
           S                         Q
           T                         R
           U                         V
           V                         W
           W                         X
           X                         Y
           Y                         Z
           Z                        AA
           a                        BA
           b                        CA
           c                        DA
           d                        EA
           e                        FA
           f                        GA
           g                        HA
           h                        IA
           i                        JA
           j                        KA
           k                        LA
           l                        MA
           m                        NA
           n                        OA
           o                        PA
           p                        QA
           q                        RA
           r                        SA
           s                        TA
           t                        UA
           u                        VA
           v                        WA
           w                        XA
           x                        YA
           y                        ZA
           z                        AB
           0                        BB
           1                        CB
           2                        DB
           3                        EB
           4                        FB
           5                        GB
           6                        HB
           7                        IB
           8                        JB
           9                        KB

6e8g-pdb-bundle2.pdb:
           A                        LB
           B                        MB
           C                        NB
           D                        OB
           E                        PB
           F                        QB
           G                        RB
           H                        SB
           I                        TB
           J                        UB
