    New chain ID            Original chain ID

4v5y-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                        AN
           N                        AO
           O                        AP
           P                        AQ
           Q                        AR
           R                        AS
           S                        AT
           T                        AB
           U                        AU
           V                        BA

4v5y-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
           e                        B6

4v5y-pdb-bundle3.pdb:
           A                        CA
           B                        CC
           C                        CD
           D                        CE
           E                        CF
           F                        CG
           G                        CH
           H                        CI
           I                        CJ
           J                        CK
           K                        CL
           L                        CM
           M                        CN
           N                        CO
           O                        CP
           P                        CQ
           Q                        CR
           R                        CS
           S                        CT
           T                        CB
           U                        CU
           V                        DA

4v5y-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
           e                        D6
