    New chain ID            Original chain ID

4v8a-pdb-bundle1.pdb:
           A                        AA
           B                        AB
           C                        AD
           D                        AE
           E                        AF
           F                        AG
           G                        AH
           H                        AI
           I                        AN
           J                        AO
           K                        AP
           L                        AQ
           M                        AR
           N                        AS
           O                        AT
           P                        AU
           Q                        AV
           R                        AW
           S                        AX
           T                        AY
           U                        AZ
           V                        A0
           W                        A1
           X                        A2
           Y                        A3
           Z                        A4
           a                        A5
           b                        A6
           c                        A7
           d                        A8

4v8a-pdb-bundle2.pdb:
           A                        BA
           B                        BB
           C                        BD
           D                        BE
           E                        BF
           F                        BG
           G                        BH
           H                        BI
           I                        BN
           J                        BO
           K                        BP
           L                        BQ
           M                        BR
           N                        BS
           O                        BT
           P                        BU
           Q                        BV
           R                        BW
           S                        BX
           T                        BY
           U                        BZ
           V                        B0
           W                        B1
           X                        B2
           Y                        B3
           Z                        B4
           a                        B5
           b                        B6
           c                        B7
           d                        B8

4v8a-pdb-bundle3.pdb:
           A                        CA
           B                        CB
           C                        CC
           D                        CD
           E                        CE
           F                        CF
           G                        CG
           H                        CH
           I                        CI
           J                        CJ
           K                        CK
           L                        CL
           M                        CM
           N                        CN
           O                        CO
           P                        CP
           Q                        CQ
           R                        CR
           S                        CS
           T                        CT
           U                        CU
           V                        DA
           W                        DB
           X                        DC
           Y                        DD
           Z                        DE
           a                        DF
           b                        DG
           c                        DH
           d                        DI
           e                        DJ
           f                        DK
           g                        DL
           h                        DM
           i                        DN
           j                        DO
           k                        DP
           l                        DQ
           m                        DR
           n                        DS
           o                        DT
           p                        DU
