    New chain ID            Original chain ID

8pv8-pdb-bundle1.pdb:
           A                        C1
           B                        C2
           C                        CF
           D                        CH
           E                        CK
           F                        CL
           G                        CN
           H                        CO
           I                        CQ
           J                        Cb
           K                        Cd
           L                        Cz
           M                        LA
           N                        LB
           O                        LC
           P                        LE
           Q                        LF

8pv8-pdb-bundle2.pdb:
           A                        LG
           B                        LH
           C                        LK
           D                        LL
           E                        LM
           F                        LN
           G                        LO
           H                        LP
           I                        LQ
           J                        LR
           K                        LS
           L                        LU
           M                        LV
           N                        LX
           O                        LY
           P                        LZ
           Q                        La
           R                        Lc
           S                        Ld
           T                        Le
           U                        Lf
           V                        Lg
           W                        Lh
           X                        Li
           Y                        Lj
           Z                        Lk
           a                        Ll
           b                        Lp
           c                        CT
           d                        CW
           e                        CU
           f                        CS
           g                        CR
           h                        Lt
           i                        Ch
           j                        LJ
           k                        LD
           l                        C4
           m                        Lq
           n                        CV
           o                        LT
           p                        Lb
           q                        Lr
