    New chain ID            Original chain ID

8vvt-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           K                         L
           L                         M
           M                         N
           N                         O
           O                         P
           P                         Q
           Q                         R
           R                         S
           S                         T
           T                         U
           U                         V
           V                         W
           W                         X
           X                         Y
           Y                         Z
           Z                         K
           a                        AB
           b                        BB
           c                        CB

8vvt-pdb-bundle2.pdb:
           A                        WA
           B                        XA
           C                        YA
           D                        AA
           E                        BA
           F                        CA
           G                        DA
           H                        EA
           I                        FA
           J                        GA
           K                        HA
           L                        IA
           M                        JA
           N                        KA
           O                        LA
           P                        MA
           Q                        NA
           R                        OA
           S                        PA
           T                        QA
           U                        RA

8vvt-pdb-bundle3.pdb:
           A                         v
           B                         w
           C                        ZA
           D                        DB
           E                        EB
           F                        FB
           G                        GB
           H                        HB
           I                        IB
           J                        JB
           K                        KB
           L                        LB
           M                        MB
           N                        NB
           O                        OB
           P                        PB
           Q                        QB
           R                        RB
           S                        SB
           T                        TB
           U                        UB
           V                        VB
           W                        WB
           X                        XB
           Y                        YB
           Z                        ZB
           a                        AC
           b                        BC
           c                        CC
           d                        DC
           e                        EC
           f                        FC
           g                        GC
           h                         b
