    New chain ID            Original chain ID

28ep-pdb-bundle1.pdb:
           A                         i
           B                         j
           C                         k
           D                         l
           E                         m
           F                         n
           G                         o
           H                         p
           I                         q
           J                         r
           K                         s
           L                         t
           M                         u
           N                         v
           O                         w
           P                         x
           Q                         y
           R                         z
           S                         1
           T                         2
           U                         3
           V                         4
           W                         5
           X                         6
           Y                         7
           Z                         8
           a                         9
           b                         0
           c                        AA
           d                        AB
           e                        AC
           f                        AD
           g                        AE
           h                        AF
           i                        AG
           j                        AH
           k                        AI
           l                        AJ
           m                        AK
           n                        AL
           o                        AM
           p                        AN
           q                        AO
           r                        AP
           s                        AQ
           t                        AR
           u                        AS
           v                        AT
           w                        AU

28ep-pdb-bundle2.pdb:
           A                        AV
           B                        AW
           C                        AX
           D                        AY
           E                        AZ
           F                        Aa
           G                        Ab
           H                        Ac
           I                        Ad
           J                        Ae
           K                        Af
           L                        Ag
           M                        Ah
           N                        Ai
           O                        Aj
           P                        Ak
           Q                        Al
           R                        Am
           S                        An
           T                        Ao
           U                        Ap
           V                        Aq
           W                        Ar
           X                        As
           Y                        At
           Z                        Au
           a                        Av
           b                        Aw
           c                        Ax
           d                        Ay
           e                        Az
           f                        A1
           g                        A2
           h                        A3
           i                        A4
           j                        A5
           k                        A6
           l                        A7
           m                        A8
           n                        A9
           o                        A0
           p                        BA
           q                        BB
           r                        BC
           s                        BD
           t                        BE
           u                        BF
           v                        BG
           w                        BH

28ep-pdb-bundle3.pdb:
           A                        BI
           B                        BJ
           C                        BK
           D                        BL
           E                        BM
           F                        BN
