    New chain ID            Original chain ID

4v9q-pdb-bundle1.pdb:
           A                        AA
           B                        AB
           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                        AV
           V                        AW
           W                        AX
           X                        AY
           Y                        AZ
           Z                        A1
           a                        A2
           b                        A3
           c                        A4
           d                        A5

4v9q-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

4v9q-pdb-bundle3.pdb:
           A                        CA
           B                        CB
           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                        CU
           U                        CV
           V                        CW
           W                        CX
           X                        CY
           Y                        CZ
           Z                        C1
           a                        C2
           b                        C3
           c                        C4
           d                        C5

4v9q-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
