    New chain ID            Original chain ID

8hfr-pdb-bundle1.pdb:
           A                        h1
           B                        g2
           C                        b3
           D                        B4
           E                        V5
           F                        O6
           G                        f7
           H                        F8
           I                        v9
           J                        rA
           K                        tB
           L                        cC
           M                        CD
           N                        yE
           O                        UF
           P                        dG
           Q                        eH
           R                        xI
           S                        qJ
           T                        DK
           U                        LL
           V                        KM
           W                        AN
           X                        DO
           Y                        RP
           Z                        MQ
           a                        FR
           b                        mS
           c                        pT
           d                        YU
           e                        vV
           f                        CW
           g                        EX
           h                        nY
           i                        SZ
           j                        ia
           k                        Ib
           l                        Xc
           m                        xd

8hfr-pdb-bundle2.pdb:
           A                        1e
           B                        2f
           C                        Wg
           D                        jh
           E                        li
           F                        Hj
           G                        Qk
           H                        Tl
           I                        sm
           J                        3n
           K                        No
           L                        zp
           M                        Zq
           N                        kr
           O                        As
           P                        Bt
           Q                        Gu
           R                        Pv
           S                        aw
           T                        ox
           U                        Jy
           V                        Ez
