    New chain ID            Original chain ID

9p7o-pdb-bundle1.pdb:
           A                        CI
           B                        Pt
           C                        CF
           D                        AT
           E                        L5
           F                        L7
           G                        L8
           H                        LA
           I                        LB
           J                        LC

9p7o-pdb-bundle2.pdb:
           A                        LD
           B                        LE
           C                        LF
           D                        LG
           E                        LH
           F                        LI
           G                        LJ
           H                        LL
           I                        LM
           J                        LN
           K                        LO
           L                        LP
           M                        LQ
           N                        LR
           O                        LS
           P                        LT
           Q                        LU
           R                        LV
           S                        LW
           T                        LX
           U                        LY
           V                        LZ
           W                        La
           X                        Lb
           Y                        Lc
           Z                        Ld
           a                        Le
           b                        Lf
           c                        Lg
           d                        Lh
           e                        Li
           f                        Lj
           g                        Lk
           h                        Ll
           i                        Lm
           j                        Ln
           k                        Lo
           l                        Lp
           m                        Lr
           n                        Ls
           o                        Lt
           p                        SD
           q                        SF
           r                        SK
           s                        SM
           t                        SP
           u                        SQ
           v                        SR
           w                        SS
           x                        ST
           y                        SU
           z                        SZ
           0                        Sc
           1                        Sd
           2                        Sf
           3                        Sg
           4                        SA
           5                        SB
           6                        SC
           7                        SE
           8                        SG
           9                        SH

9p7o-pdb-bundle3.pdb:
           A                        SI
           B                        SJ
           C                        SL
           D                        SN
           E                        SO
           F                        SV
           G                        SW
           H                        SX
           I                        SY
           J                        Sa
           K                        Sb
           L                        Se
           M                        S2
           N                        Zt
