    New chain ID            Original chain ID

4v56-pdb-bundle1.pdb:
           A                        AA
           B                        AC
           C                        AD
           D                        AE
           E                        AF
           F                        AG
           G                        AH
           H                        AI
           I                        AJ
           J                        AK
           K                        AL
           L                        AM
           M                        AP
           N                        AQ
           O                        AR
           P                        AS
           Q                        AT
           R                        AB
           S                        AU
           T                        AO
           U                        AN
           V                        BA

4v56-pdb-bundle2.pdb:
           A                        BB
           B                        BI
           C                        BC
           D                        BD
           E                        BK
           F                        BP
           G                        BE
           H                        BY
           I                        B0
           J                        B4
           K                        B1
           L                        B3
           M                        BV
           N                        B2
           O                        BL
           P                        BM
           Q                        BX
           R                        BH
           S                        BJ
           T                        BN
           U                        BO
           V                        BQ
           W                        BS
           X                        BU
           Y                        BF
           Z                        BG
           a                        BR
           b                        BT
           c                        BZ
           d                        BW

4v56-pdb-bundle3.pdb:
           A                        CA
           B                        CD
           C                        CE
           D                        CF
           E                        CH
           F                        CK
           G                        CL
           H                        CP
           I                        CQ
           J                        CR
           K                        CT
           L                        CU
           M                        CC
           N                        CG
           O                        CI
           P                        CJ
           Q                        CM
           R                        CN
           S                        CS
           T                        CB
           U                        CO
           V                        DA

4v56-pdb-bundle4.pdb:
           A                        DB
           B                        DI
           C                        DC
           D                        DD
           E                        DK
           F                        DP
           G                        DE
           H                        DY
           I                        D0
           J                        D4
           K                        D1
           L                        D3
           M                        DV
           N                        D2
           O                        DL
           P                        DM
           Q                        DX
           R                        DH
           S                        DJ
           T                        DN
           U                        DO
           V                        DQ
           W                        DS
           X                        DU
           Y                        DF
           Z                        DG
           a                        DR
           b                        DT
           c                        DZ
           d                        DW
