    New chain ID            Original chain ID

4wiz-pdb-bundle1.pdb:
           A                        BA
           B                        AA
           C                        CA
           D                        BB
           E                        AB
           F                        CB
           G                        BC
           H                        AC
           I                        CC
           J                        BD
           K                        AD
           L                        CD
           M                        BE
           N                        AE
           O                        CE
           P                        BF
           Q                        AF
           R                        CF
           S                        BG
           T                        AG
           U                        CG
           V                        BH
           W                        AH
           X                        CH
           Y                        BI
           Z                        AI
           a                        CI
           b                        BJ
           c                        AJ
           d                        CJ
           e                        BK
           f                        AK
           g                        CK
           h                        BL
           i                        AL
           j                        CL
           k                        BM
           l                        AM
           m                        CM
           n                        BN
           o                        AN
           p                        CN
           q                        BO
           r                        AO

4wiz-pdb-bundle2.pdb:
           A                        CO
           B                        BP
           C                        AP
           D                        CP
           E                        BQ
           F                        AQ
           G                        CQ
           H                        BR
           I                        AR
           J                        CR
           K                        BS
           L                        AS
           M                        CS
           N                        BT
           O                        AT
           P                        CT
           Q                        BU
           R                        AU
           S                        CU
           T                        BV
           U                        AV
           V                        CV
           W                        BW
           X                        AW
           Y                        CW
           Z                        BX
           a                        AX
           b                        CX
           c                        BY
           d                        AY
           e                        CY
           f                        BZ
           g                        AZ
           h                        CZ
           i                        Ba
           j                        Aa
           k                        Ca
           l                        Bb
           m                        Ab
           n                        Cb
           o                        Bc
           p                        Ac
           q                        Cc
           r                        Bd

4wiz-pdb-bundle3.pdb:
           A                        Ad
           B                        Cd
