    New chain ID            Original chain ID

9s3d-pdb-bundle1.pdb:
           A                        NA
           B                        NB
           C                        CM
           D                        CP
           E                        CR
           F                        CZ
           G                        L5
           H                        L7
           I                        L8
           J                        LA
           K                        LB
           L                        LC

9s3d-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                        S2
           q                        SA
           r                        SB
           s                        SC
           t                        SD
           u                        SE
           v                        SF
           w                        SG
           x                        SH
           y                        SI
           z                        SJ

9s3d-pdb-bundle3.pdb:
           A                        SK
           B                        SL
           C                        SM
           D                        SN
           E                        SO
           F                        SP
           G                        SQ
           H                        SR
           I                        SS
           J                        ST
           K                        SU
           L                        SV
           M                        SW
           N                        SX
           O                        SY
           P                        SZ
           Q                        Sa
           R                        Sb
           S                        Sc
           T                        Sd
           U                        Se
           V                        Sf
           W                        Sg
