    New chain ID            Original chain ID

5lks_1-pdb-bundle1.pdb:
           A                        LA
           B                        LB
           C                        LC
           D                        LD
           E                        LE
           F                        LF
           G                        LG
           H                        LH
           I                        LI
           J                        LJ
           K                        LL
           L                        LM
           M                        LN
           N                        LO
           O                        LP
           P                        LQ
           Q                        LR
           R                        LS
           S                        LT
           T                        LU
           U                        LV
           V                        LW
           W                        LX
           X                        LY
           Y                        LZ
           Z                        La
           a                        Lb
           b                        Lc
           c                        Ld
           d                        Le
           e                        Lf
           f                        Lg
           g                        Lh
           h                        Li
           i                        Lj
           j                        Lk
           k                        Ll
           l                        Lm
           m                        Lo
           n                        Lp
           o                        Lr
           p                        Lz
           q                        SA
           r                        SB
           s                        SD
           t                        SE
           u                        SF
           v                        SH
           w                        SI
           x                        SK
           y                        SL
           z                        SP
           0                        SQ
           1                        SR
           2                        SS
           3                        ST
           4                        SU
           5                        SV
           6                        SX
           7                        Sa
           8                        Sc
           9                        Sd
5lks_1-pdb-bundle2.pdb:
           A                        Sg
           B                        SC
           C                        SG
           D                        SJ
           E                        SM
           F                        SN
           G                        SO
           H                        SW
           I                        SY
           J                        SZ
           K                        Sb
           L                        Se
           M                        Sf
