    New chain ID            Original chain ID

9vtg-pdb-bundle1.pdb:
           A                        LA
           B                        LB
           C                        LC
           D                        LD
           E                        LE
           F                        LF
           G                        LG
           H                        LH
           I                        LI
           J                        LJ
           K                        LK
           L                        LL
           M                        LM
           N                        LN
           O                        LO
           P                        LP
           Q                        LQ
           R                        LR
           S                        LS
           T                        LT
           U                        LU
           V                        LV
           W                        LW
           X                        LX
           Y                        LY
           Z                        LZ
           a                        La
           b                        Lb
           c                        Lc
           d                        Ld
           e                        Le
           f                        Lf
           g                        Lg
           h                        Lh
           i                        Li
           j                        Lj
           k                        Lk
           l                        Ll
           m                        Lm
           n                        Ln
           o                        Lp
           p                        Lq
           q                        10
           r                        12
           s                        13

9vtg-pdb-bundle2.pdb:
           A                        14
