    New chain ID            Original chain ID

4v6c-pdb-bundle1.pdb:
           A                        AB
           B                        AC
           C                        AD
           D                        AE
           E                        AF
           F                        AG
           G                        AH
           H                        AI
           I                        AJ
           J                        AK
           K                        AL
           L                        AM
           M                        AN
           N                        AO
           O                        AP
           P                        AQ
           Q                        AR
           R                        AS
           S                        AT
           T                        AU
           U                        AA

4v6c-pdb-bundle2.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                        B0
           b                        B1
           c                        B2
           d                        B3
           e                        B4
           f                        CB
           g                        CC
           h                        CD
           i                        CE
           j                        CF
           k                        CG
           l                        CH

4v6c-pdb-bundle3.pdb:
           A                        CI
           B                        CJ
           C                        CK
           D                        CL
           E                        CM
           F                        CN
           G                        CO
           H                        CP
           I                        CQ
           J                        CR
           K                        CS
           L                        CT
           M                        CU
           N                        CA

4v6c-pdb-bundle4.pdb:
           A                        DA
           B                        DB
           C                        DC
           D                        DD
           E                        DE
           F                        DF
           G                        DG
           H                        DH
           I                        DI
           J                        DJ
           K                        DK
           L                        DL
           M                        DM
           N                        DN
           O                        DO
           P                        DP
           Q                        DQ
           R                        DR
           S                        DS
           T                        DT
           U                        DU
           V                        DV
           W                        DW
           X                        DX
           Y                        DY
           Z                        DZ
           a                        D0
           b                        D1
           c                        D2
           d                        D3
           e                        D4
