    New chain ID            Original chain ID

7nql-pdb-bundle1.pdb:
           A                        B7
           B                        B8
           C                        B9
           D                        BA
           E                        BB
           F                        BD
           G                        BE
           H                        BF
           I                        BI
           J                        BJ
           K                        BK
           L                        BL
           M                        BN
           N                        BO
           O                        BP
           P                        BQ
           Q                        BR
           R                        BS
           S                        BT
           T                        BU
           U                        BV
           V                        BW
           W                        BX
           X                        BY
           Y                        Ba
           Z                        Bb
           a                        Bc
           b                        Bd
           c                        Be
           d                        Bf
           e                        Bg
           f                        Bh
           g                        Bi
           h                        Bj
           i                        Bk
           j                        Bl
           k                        Bm
           l                        Bn
           m                        Bo
           n                        Bp
           o                        Bq
           p                        Bt
           q                        Bu
           r                        Bv
           s                        Bw
           t                        Bx

7nql-pdb-bundle2.pdb:
           A                        AA
           B                        CL
           C                        DL
           D                        EL
           E                        AB
           F                        AC
           G                        AE
           H                        AF
           I                        AG
           J                        AI
           K                        AJ
           L                        AK
           M                        AL
           N                        AN
           O                        AO
           P                        AP
           Q                        AQ
           R                        FL
           S                        AR
           T                        AU
           U                        AV
           V                        AX
           W                        AZ
           X                        Aa
           Y                        Ab
           Z                        Ac
           a                        Ad
           b                        Ae
           c                        Af
           d                        Ag
           e                        Ah
           f                        Ai
           g                        Aj
           h                        Ak
           i                        Am
           j                        An
           k                        Ao
           l                        Ap
           m                        GL
           n                        HL
           o                        B0
           p                        B1
           q                        B2
           r                        B3
           s                        B4
           t                        B5
           u                        B6
