    New chain ID            Original chain ID

8rxx-pdb-bundle1.pdb:
           A                        L1
           B                        L2
           C                        L3
           D                        L4
           E                        L5
           F                        L6
           G                        L7
           H                        L8
           I                        LA
           J                        LB
           K                        LC
           L                        LD
           M                        LE
           N                        LF
           O                        LG
           P                        LH
           Q                        LI
           R                        LJ
           S                        LK
           T                        LL

8rxx-pdb-bundle2.pdb:
           A                        LM
           B                        LN
           C                        LO
           D                        LP
           E                        LQ
           F                        LR
           G                        LS
           H                        LT
           I                        LU
           J                        LV
           K                        LW
           L                        LX
           M                        LY
           N                        LZ
           O                        La
           P                        Lb
           Q                        Lc
           R                        Ld
           S                        Le
           T                        Lf
           U                        Lg
           V                        Lh
           W                        Li
           X                        Lj
           Y                        Lk
           Z                        Ll
           a                        Lm
           b                        Ln
           c                        Lo
           d                        Lp
           e                        S1
           f                        S2
           g                        S3
           h                        S4
           i                        S5
           j                        SA
           k                        SB
           l                        SC
           m                        SD
           n                        SE
           o                        SF
           p                        SG
           q                        SH
           r                        SI
           s                        SJ
           t                        SK
           u                        SL
           v                        SM
           w                        SN
           x                        SO
           y                        SP
           z                        SQ
           0                        SR

8rxx-pdb-bundle3.pdb:
           A                        SS
           B                        ST
           C                        SU
           D                        SV
           E                        SW
           F                        SX
           G                        SY
           H                        SZ
           I                        Sa
           J                        Sb
           K                        Sc
           L                        Sd
           M                        Se
           N                        Sf
           O                        Sg
           P                        Sh
