    New chain ID            Original chain ID

8pfr-pdb-bundle1.pdb:
           A                         A
           B                        RE
           C                        LL
           D                        QU
           E                        QY
           F                        LF
           G                        RN
           H                        QV
           I                        JT
           J                        RF
           K                        LM
           L                        QW
           M                        QZ
           N                        LG
           O                        RO
           P                        QX
           Q                        JU
           R                        RG
           S                        LN
           T                        LH
           U                        RA
           V                        RH
           W                        RQ
           X                        LI
           Y                        JV
           Z                        RI
           a                        LO

8pfr-pdb-bundle2.pdb:
           A                        LJ
           B                        RB
           C                        RJ
           D                        RT
           E                        LK
           F                        JW
           G                        RM
           H                        QO
           I                        RC
           J                        QP
           K                        LD
           L                        QQ
           M                        RD
           N                        QS
           O                        LE
           P                        QT
