    New chain ID            Original chain ID

9o17-pdb-bundle1.pdb:
           A                        AA
           B                        AB
           C                        AC
           D                        AD
           E                        AE
           F                        AF
           G                        AG
           H                        AI
           I                        AJ
           J                        AK
           K                        AL
           L                        AN
           M                        AO
           N                        AP
           O                        AR
           P                        AQ
           Q                        AS
           R                        AU
           S                        AV
           T                        AW
           U                        AX
           V                        AY
           W                        AH
           X                        AM
           Y                        AT

9o17-pdb-bundle2.pdb:
           A                        BA
           B                        BB
           C                        BC
           D                        BD
           E                        BE
           F                        BF

9o17-pdb-bundle3.pdb:
           A                        BG
           B                        BH
           C                        BI
           D                        BJ
           E                        BK
           F                        BL
           G                        BM
           H                        BN
           I                        BO
           J                        BP
           K                        BQ
           L                        BR
           M                        BS
           N                        BT
           O                        BU
           P                        BV
           Q                        BW
           R                        BX
           S                        BY
           T                        BZ
           U                        Ba
           V                        Bb
           W                        Bc
           X                        Bd
           Y                        Be
           Z                        Bf
           a                        AZ
