    New chain ID            Original chain ID

9t69-pdb-bundle1.pdb:
           A                        L5
           B                        L7
           C                        L8
           D                        LA
           E                        LB
           F                        LC
           G                        LD
           H                        LE
           I                        LF

9t69-pdb-bundle2.pdb:
           A                        LG
           B                        LH
           C                        LI
           D                        LJ
           E                        LL
           F                        LM
           G                        LN
           H                        LO
           I                        LP
           J                        LQ
           K                        LR
           L                        LS
           M                        LT
           N                        LU
           O                        LV
           P                        LW
           Q                        LX
           R                        LY
           S                        LZ
           T                        La
           U                        Lb
           V                        Lc
           W                        Ld
           X                        Le
           Y                        Lf
           Z                        Lg
           a                        Lh
           b                        Li
           c                        Lj
           d                        Lk
           e                        Ll
           f                        Lm
           g                        Ln
           h                        Lo
           i                        Lp
           j                        Lr
           k                        Ls
           l                        Lt
           m                        MA
           n                        N4
           o                        NA
           p                        NB
           q                        S2
           r                        SA
           s                        SB
           t                        SC
           u                        SD
           v                        SE
           w                        SF
           x                        SG
           y                        SH
           z                        SI

9t69-pdb-bundle3.pdb:
           A                        SJ
           B                        SK
           C                        SL
           D                        SM
           E                        SN
           F                        SO
           G                        SP
           H                        SQ
           I                        SR
           J                        SS
           K                        ST
           L                        SU
           M                        SV
           N                        SW
           O                        SX
           P                        SY
           Q                        SZ
           R                        Sa
           S                        Sb
           T                        Sc
           U                        Sd
           V                        Se
           W                        Sf
           X                        Sg
