    New chain ID            Original chain ID

6t7i-pdb-bundle1.pdb:
           A                        C2
           B                        SA
           C                        SB
           D                        SP
           E                        SC
           F                        SD
           G                        SE
           H                        SF
           I                        SG
           J                        SH
           K                        SI
           L                        SJ
           M                        SK
           N                        SL
           O                        SM
           P                        SN
           Q                        SO
           R                        SQ
           S                        SR
           T                        SS
           U                        ST
           V                        SU
           W                        SV
           X                        SW
           Y                        SX
           Z                        SY
           a                        SZ
           b                        Sa
           c                        Sb
           d                        Sd
           e                        Se
           f                        Sf
           g                        Sg
           h                        Sc
           i                        C4
           j                        C3
           k                        LA
           l                        LB
           m                        LC
           n                        LD
           o                        LE
           p                        LF
           q                        LG
           r                        LH
           s                        LI

6t7i-pdb-bundle2.pdb:
           A                        LJ
           B                        LL
           C                        LM
           D                        LN
           E                        LO
           F                        LP
           G                        LQ
           H                        LR
           I                        LS
           J                        LT
           K                        LU
           L                        LV
           M                        LW
           N                        LX
           O                        LY
           P                        LZ
           Q                        La
           R                        Lb
           S                        Lc
           T                        Ld
           U                        Le
           V                        Lf
           W                        Lg
           X                        Lh
           Y                        Li
           Z                        Lj
           a                        Lk
           b                        Ll
           c                        Lm
           d                        Ln
           e                        Lo
           f                        Lp
           g                        C1

6t7i-pdb-bundle3.pdb:
           5                         5
           6                         6
           7                         7
