    New chain ID            Original chain ID

4v8q-pdb-bundle1.pdb:
           A                        A0
           B                        A1
           C                        A2
           D                        A3
           E                        A4
           F                        A5
           G                        A6
           H                        A7
           I                        A8
           J                        A9
           K                        AA
           L                        AB
           M                        AC
           N                        AD
           O                        AE
           P                        AF
           Q                        AG
           R                        AH
           S                        AJ
           T                        AK
           U                        AN
           V                        AO
           W                        AP
           X                        AQ
           Y                        AR
           Z                        AS
           a                        AT
           b                        AU
           c                        AV
           d                        AW
           e                        AX
           f                        AY
           g                        AZ
           h                        B2

4v8q-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
           Y                        BY
           Z                        BZ
