    New chain ID            Original chain ID

5jup-pdb-bundle1.pdb:
           A                         A

5jup-pdb-bundle2.pdb:
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           K                         K
           L                         L
           M                         M
           N                         N
           O                         O
           P                         P
           Q                         Q

5jup-pdb-bundle3.pdb:
           A                         R
           B                         S
           C                         T
           D                         U
           E                         V
           F                         W
           G                         X
           H                         Y
           I                         Z
           J                        AA
           K                        BA
           L                        CA
           M                        DA
           N                        EA
           O                        FA
           P                        GA
           Q                        HA
           R                        IA
           S                        JA
           T                        KA
           U                        LA
           V                        MA
           W                        NA
           X                        OA
           Y                        PA
           Z                        QA
           a                        RA
           b                        SA
           c                        TA
           d                        UA
           e                        VA
           f                        WA
           g                        XA
           h                        YA
           i                        ZA
           j                        AB
           k                        BB
           l                        CB
           m                        DB
           n                        EB
           o                        FB
           p                        GB
           q                        HB
           r                        IB
           s                        JB
           t                        KB
           u                        LB
           v                        MB
           w                        NB
           x                        OB
           y                        PB
           z                        QB
           0                        RB
           1                        SB
           2                        TB
           3                        UB
           4                        VB
           5                        WB
           6                        XB
           7                        YB
           8                        ZB
           9                        AC

5jup-pdb-bundle4.pdb:
           A                        BC
           B                        CC
           C                        DC
           D                        EC
