    New chain ID            Original chain ID

9p7g-pdb-bundle1.pdb:
           A                        Zt
           B                        SA
           C                        SB
           D                        SC
           E                        SE
           F                        SG
           G                        SH
           H                        SI
           I                        SJ
           J                        SL
           K                        SN
           L                        SO
           M                        SV
           N                        SW
           O                        SX
           P                        SY
           Q                        Sa
           R                        Sb
           S                        Se
           T                        S2
           U                        LR
           V                        LW
           W                        SR
           X                        SD
           Y                        SF
           Z                        SK
           a                        SM
           b                        SP
           c                        SQ
           d                        SS
           e                        ST
           f                        SU
           g                        SZ
           h                        Sc
           i                        Sd
           j                        Sf
           k                        Sg
           l                        At
           m                        Pt
           n                        CI

9p7g-pdb-bundle2.pdb:
           A                        L5
           B                        L7
           C                        L8
           D                        LA
           E                        LB
           F                        LC
           G                        LD
           H                        LE
           I                        LF

9p7g-pdb-bundle3.pdb:
           A                        LG
           B                        LH
           C                        LI
           D                        LJ
           E                        LL
           F                        LM
           G                        LN
           H                        LO
           I                        LP
           J                        LQ
           K                        LS
           L                        LT
           M                        LU
           N                        LV
           O                        LX
           P                        LY
           Q                        LZ
           R                        La
           S                        Lb
           T                        Lc
           U                        Ld
           V                        Le
           W                        Lf
           X                        Lg
           Y                        Lh
           Z                        Li
           a                        Lj
           b                        Lk
           c                        Ll
           d                        Lm
           e                        Ln
           f                        Lo
           g                        Lp
           h                        Lr
           i                        Ls
           j                        Lt
