    New chain ID            Original chain ID

8p8m-pdb-bundle1.pdb:
           A                         A
           B                        QY
           C                        JT
           D                        QZ
           E                        JU
           F                        RA
           G                        JV
           H                        RB
           I                        JW
           J                        RC
           K                        LD
           L                        RD
           M                        LE
           N                        RE
           O                        LF
           P                        RF
           Q                        LG
           R                        RG
           S                        LH
           T                        RH
           U                        LI
           V                        RI
           W                        LJ
           X                        RJ

8p8m-pdb-bundle2.pdb:
           A                        LK
           B                        RM
           C                        LL
           D                        RO
           E                        LM
           F                        RQ
           G                        LN
           H                        RT
           I                        LO
           J                        RV
           K                        QO
           L                        QP
           M                        QQ
           N                        QS
           O                        QT
           P                        QU
           Q                        QV
           R                        QW
           S                        QX
