    New chain ID            Original chain ID

8pv5-pdb-bundle1.pdb:
           A                        C1
           B                        C2
           C                        C4
           D                        CF
           E                        CH
           F                        CK
           G                        CL
           H                        CN
           I                        CO
           J                        CQ
           K                        Cb
           L                        Cd
           M                        Cf
           N                        Cg
           O                        Ch
           P                        Cz
           Q                        LA

8pv5-pdb-bundle2.pdb:
           A                        LB
           B                        LC
           C                        LD
           D                        LE
           E                        LF
           F                        LG
           G                        LH
           H                        LJ
           I                        LK
           J                        LL
           K                        LM
           L                        LN
           M                        LO
           N                        LP
           O                        LQ
           P                        LR
           Q                        LS
           R                        LT
           S                        LU
           T                        LV
           U                        LX
           V                        LY
           W                        LZ
           X                        La
           Y                        Lc
           Z                        Ld
           a                        Le
           b                        Lf
           c                        Lg
           d                        Lh
           e                        Li
           f                        Lj
           g                        Lk
           h                        Ll
           i                        Lp
           j                        Lq
