    New chain ID            Original chain ID

4v4q-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

4v4q-pdb-bundle2.pdb:
           A                        BB
           B                        BV
           C                        BC
           D                        BD
           E                        BE
           F                        BF
           G                        BG
           H                        BH
           I                        BJ
           J                        BK
           K                        BL
           L                        BM
           M                        BN
           N                        BO
           O                        BP
           P                        BQ
           Q                        BR
           R                        BS
           S                        BT
           T                        BU
           U                        BW
           V                        BX
           W                        BY
           X                        BZ
           Y                        B0
           Z                        B1
           a                        B2
           b                        B3
           c                        B4
           d                        BI

4v4q-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

4v4q-pdb-bundle4.pdb:
           A                        DB
           B                        DV
           C                        DC
           D                        DD
           E                        DE
           F                        DF
           G                        DG
           H                        DH
           I                        DJ
           J                        DK
           K                        DL
           L                        DM
           M                        DN
           N                        DO
           O                        DP
           P                        DQ
           Q                        DR
           R                        DS
           S                        DT
           T                        DU
           U                        DW
           V                        DX
           W                        DY
           X                        DZ
           Y                        D0
           Z                        D1
           a                        D2
           b                        D3
           c                        D4
           d                        DI
