    New chain ID            Original chain ID

4v7e-pdb-bundle1.pdb:
           A                        Ad
           B                        Ae
           C                        Af
           D                        BY
           E                        BI
           F                        BK
           G                        BM
           H                        Bf
           I                        BX
           J                        Bg
           K                        BD
           L                        BE
           M                        BF
           N                        BQ
           O                        BU
           P                        BO
           Q                        BS
           R                        BN
           S                        BL
           T                        BT
           U                        BP
           V                        BZ
           W                        Bc
           X                        BW
           Y                        Bd
           Z                        Bb
           a                        Be
           b                        BA
           c                        BR
           d                        BB
           e                        BV
           f                        Ba
           g                        BJ
           h                        BC
           i                        BG
           j                        BH
           k                        CG
           l                        CT
           m                        CZ
           n                        Cz
           o                        CA
           p                        CJ
           q                        CH
           r                        CV
           s                        CN
           t                        Ca
           u                        CQ
           v                        CD
           w                        CR
           x                        CP
           y                        CX
           z                        CW
           0                        CY

4v7e-pdb-bundle2.pdb:
           A                        Cr
           B                        Cc
           C                        Cd
           D                        Ce
           E                        Cj
           F                        Cl
           G                        Co
           H                        CM
           I                        CS
           J                        CU
           K                        Ci
           L                        CK
           M                        Cu
           N                        Cv
           O                        Cs
           P                        Ct
           Q                        Ch
           R                        CF
           S                        Cq
           T                        CB
           U                        CC
           V                        CO
           W                        Cp
           X                        CI
           Y                        Cn
           Z                        Cm
           a                        CL
           b                        CE
           c                        Cf
           d                        Ck
           e                        Cb
           f                        Cg

4v7e-pdb-bundle3.pdb:
           A                        Aa
           B                        Ac
           C                        Ab
