    New chain ID            Original chain ID

6fxc-pdb-bundle1.pdb:
           A                        Aa
           B                        Ab
           C                        Ac
           D                        Ad
           E                        Ae
           F                        Af
           G                        Ag
           H                        Ah
           I                        Ai
           J                        Aj
           K                        Ak
           L                        Al
           M                        Am
           N                        An
           O                        Ao
           P                        Ap
           Q                        Aq
           R                        Ar
           S                        As
           T                        At
           U                        Au
           V                        Av

6fxc-pdb-bundle2.pdb:
           A                        AA
           B                        AB
           C                        AC
           D                        AD
           E                        AE
           F                        AF
           G                        AG
           H                        AH
           I                        AI
           J                        AJ
           K                        AK
           L                        AL
           M                        AM
           N                        AN
           O                        AO
           P                        AP
           Q                        AQ
           R                        AR
           S                        AS
           T                        AT
           U                        AU
           V                        AV
           W                        AW
           X                        AX
           Y                        AY
           Z                        AZ
           a                        A1
           b                        A2
           c                        A3
           d                        A4

6fxc-pdb-bundle3.pdb:
           A                        Ba
           B                        Bb
           C                        Bc
           D                        Bd
           E                        Be
           F                        Bf
           G                        Bg
           H                        Bh
           I                        Bi
           J                        Bj
           K                        Bk
           L                        Bl
           M                        Bm
           N                        Bn
           O                        Bo
           P                        Bp
           Q                        Bq
           R                        Br
           S                        Bs
           T                        Bt
           U                        Bu
           V                        Bv

6fxc-pdb-bundle4.pdb:
           A                        BA
           B                        BB
           C                        BC
           D                        BD
           E                        BE
           F                        BF
           G                        BG
           H                        BH
           I                        BI
           J                        BJ
           K                        BK
           L                        BL
           M                        BM
           N                        BN
           O                        BO
           P                        BP
           Q                        BQ
           R                        BR
           S                        BS
           T                        BT
           U                        BU
           V                        BV
           W                        BW
           X                        BX
           Y                        BY
           Z                        BZ
           a                        B1
           b                        B2
           c                        B3
           d                        B4
