    New chain ID            Original chain ID

7nqh-pdb-bundle1.pdb:
           A                        CL
           B                        DL
           C                        EL
           D                        FL
           E                        GL
           F                        HL
           G                        B0
           H                        B1
           I                        B2
           J                        BB
           K                        BD
           L                        BE
           M                        BF
           N                        BI
           O                        BJ
           P                        BK
           Q                        BL
           R                        BN
           S                        BO
           T                        BP
           U                        BQ
           V                        BR
           W                        BS
           X                        BT
           Y                        BU
           Z                        BV
           a                        BW
           b                        BX
           c                        BY
           d                        Ba
           e                        Bb
           f                        B3
           g                        Bc
           h                        Bd
           i                        Be
           j                        Bf
           k                        Bg
           l                        Bh
           m                        Bi
           n                        Bj
           o                        Bk
           p                        Bl
           q                        Bm
           r                        Bn
           s                        Bo
           t                        Bp
           u                        Bq
           v                        Bt
           w                        Bu
           x                        Bv
           y                        Bw
           z                        Bx
           0                        AA
           1                        B4
           2                        B5
           3                        B6
           4                        B7
           5                        AB
           6                        AC
           7                        AE
           8                        AF

7nqh-pdb-bundle2.pdb:
           A                        AG
           B                        AI
           C                        AJ
           D                        AK
           E                        AL
           F                        AN
           G                        AO
           H                        AP
           I                        AQ
           J                        AR
           K                        AU
           L                        AV
           M                        AX
           N                        AZ
           O                        Aa
           P                        Ab
           Q                        Ac
           R                        Ad
           S                        B8
           T                        Ae
           U                        Af
           V                        Ag
           W                        Ah
           X                        Ai
           Y                        Aj
           Z                        Ak
           a                        Am
           b                        An
           c                        Ao
           d                        Ap
           e                        B9
           f                        BA
