    New chain ID            Original chain ID

22yn-pdb-bundle1.pdb:
           A                        Bb
           B                        LA
           C                        LB
           D                        LC
           E                        LD
           F                        LE
           G                        LF
           H                        LG
           I                        LH
           J                        LI
           K                        LJ
           L                        LK
           M                        LL
           N                        LM
           O                        LN
           P                        LO
           Q                        LP

22yn-pdb-bundle2.pdb:
           A                        LQ
           B                        LR
           C                        LS
           D                        LT
           E                        LU
           F                        LV
           G                        LW
           H                        LX
           I                        LY
           J                        LZ
           K                        La
           L                        Lb
           M                        Lc
           N                        Ld
           O                        Le
           P                        Lf
           Q                        Lg
           R                        Lh
           S                        Li
           T                        Lj
           U                        Lk
           V                        Ll
           W                        Lm
           X                        Ln
           Y                        Lo
           Z                        Lp
           a                        Lq
           b                        Lr
           c                        mR
           d                        Cc
           e                        S2
           f                        SA
           g                        SB
           h                        SC
           i                        SD
           j                        SE
           k                        SF
           l                        SG
           m                        SH
           n                        SI
           o                        SJ
           p                        SK
           q                        SL
           r                        SM
           s                        SN
           t                        SO
           u                        SP
           v                        SQ
           w                        SR
           x                        SS
           y                        ST
           z                        SU
           0                        SV
           1                        SW
           2                        SX
           3                        SY
           4                        SZ
           5                        Sa
           6                        Sb

22yn-pdb-bundle3.pdb:
           A                        Sc
           B                        Sd
           C                        Se
           D                        Sf
           E                        Sg
