    New chain ID            Original chain ID

9pn5-pdb-bundle1.pdb:
           A                        BA
           B                        BB
           C                        BC
           D                        BE
           E                        BG
           F                        BH
           G                        BI
           H                        BJ
           I                        BL
           J                        BN
           K                        BO
           L                        BV
           M                        BW
           N                        BX
           O                        BY
           P                        Ba
           Q                        Bb
           R                        Be
           S                        BD
           T                        BF
           U                        BK
           V                        BP
           W                        BQ
           X                        BR
           Y                        BS
           Z                        BT
           a                        BU
           b                        BZ
           c                        Bc
           d                        Bd
           e                        Bg
           f                        Bf
           g                        BM
           h                        B5
           i                        AA
           j                        AB
           k                        AC

9pn5-pdb-bundle2.pdb:
           A                        A1
           B                        A3
           C                        A4
           D                        AD
           E                        AE
           F                        AF
           G                        AG
           H                        AH
           I                        AI
           J                        AJ
           K                        AL
           L                        AM
           M                        AN
           N                        AO
           O                        AP
           P                        AQ
           Q                        AR
           R                        AS
           S                        AT

9pn5-pdb-bundle3.pdb:
           A                        AU
           B                        AV
           C                        AW
           D                        AX
           E                        AY
           F                        AZ
           G                        Aa
           H                        Ab
           I                        Ac
           J                        Ad
           K                        Ae
           L                        Af
           M                        Ag
           N                        Ah
           O                        Ai
           P                        Aj
           Q                        Ak
           R                        Al
           S                        Am
           T                        An
           U                        Ao
           V                        Ap
