    New chain ID            Original chain ID

8yym-pdb-bundle1.pdb:
           A                         A
           B                        AA
           C                        AB
           D                        AC
           E                         B
           F                        BA
           G                        BB
           H                        BC
           I                         C
           J                        CA
           K                        CB
           L                        CC
           M                         D
           N                        DA
           O                        DB
           P                        DC
           Q                         E
           R                        EA
           S                        EB
           T                        EC
           U                         F
           V                        FA
           W                        FB
           X                        FC
           Y                         G
           Z                        GA
           a                        GB
           b                        GC
           c                         H
           d                        HA
           e                        HB
           f                        HC
           g                         I
           h                        IA
           i                        IB
           j                        IC
           k                         J
           l                        JA
           m                        JB
           n                        JC
           o                         K
           p                        KA
           q                        KB
           r                        KC
           s                         L
           t                        LA
           u                        LB
           v                        LC
           w                         M
           x                        MA
           y                        MB
           z                        MC
           0                         N
           1                        NA
           2                        NB
           3                        NC
           4                         O
           5                        OA
           6                        OB
           7                        OC
           8                         P
           9                        PA

8yym-pdb-bundle2.pdb:
           A                        PB
           B                        PC
           C                         Q
           D                        QA
           E                        QB
           F                        QC
           G                         R
           H                        RA
           I                        RB
           J                        RC
           K                         S
           L                        SA
           M                        SB
           N                        SC
           O                         T
           P                        TA
           Q                        TB
           R                        TC
           S                         U
           T                        UA
           U                        UB
           V                        UC
           W                         V
           X                        VA
           Y                        VB
           Z                        VC
           a                         W
           b                        WA
           c                        WB
           d                        WC
           e                         X
           f                        XA
           g                        XB
           h                        XC
           i                         Y
           j                        YA
           k                        YB
           l                        YC
           m                         Z
           n                        ZA
           o                        ZB
           p                        ZC
