    New chain ID            Original chain ID

7aoi-pdb-bundle1.pdb:
           A                        A1
           B                        A2
           C                        A3
           D                        A5
           E                        A8
           F                        AA
           G                        AE
           H                        AF
           I                        AI
           J                        AK
           K                        AN
           L                        AP
           M                        AR
           N                        AT
           O                        AU
           P                        AV
           Q                        AW
           R                        AX
           S                        AY
           T                        Ae
           U                        Af
           V                        Ag
           W                        Al
           X                        Ao
           Y                        Ap
           Z                        At
           a                        Av
           b                        BA
           c                        BB
           d                        BD
           e                        BE
           f                        BF
           g                        BH
           h                        BI
           i                        BJ
           j                        BK
           k                        BL
           l                        BN
           m                        BO
           n                        BQ
           o                        BR
           p                        BS
           q                        BT
           r                        BU

7aoi-pdb-bundle2.pdb:
           A                        BW
           B                        BX
           C                        BZ
           D                        Ba
           E                        Bb
           F                        Bc
           G                        Bf
           H                        Bg
           I                        Bh
           J                        UA
           K                        UB
           L                        UC
           M                        UD
           N                        UE
           O                        UF
           P                        UG
           Q                        UH
           R                        UI
           S                        UJ
           T                        UK
           U                        XA
           V                        XB
           W                        XC
           X                        XD
           Y                        XE
           Z                        XF
           a                        XG
           b                        XH
           c                        XI
           d                        XJ
           e                        XL
           f                        XM
           g                        XN
           h                        XO
           i                        XP
           j                        XQ
           k                        XR
           l                        XS
           m                        XT
