    New chain ID            Original chain ID

8p8n-pdb-bundle1.pdb:
           A                         2
           B                        LK
           C                        QX
           D                        RM
           E                         A
           F                        LL
           G                        QY
           H                        RO
           I                        JT
           J                        LM
           K                        QZ
           L                        RQ
           M                        JU
           N                        LN
           O                        RA
           P                        RT
           Q                        JV
           R                        LO
           S                        RB
           T                        QO
           U                        JW
           V                        QP
           W                        RC
           X                        QQ
           Y                        LD
           Z                        QS
           a                        RD
           b                        QT

8p8n-pdb-bundle2.pdb:
           A                        LE
           B                        QU
           C                        RE
           D                        QV
           E                        LF
           F                        QW
           G                        RF
           H                        LG
           I                        RG
           J                        LH
           K                        RH
           L                        LI
           M                        RI
           N                        LJ
           O                        RJ
