    New chain ID            Original chain ID

7tos-pdb-bundle1.pdb:
           A                       L02
           B                       L03
           C                       L04
           D                       L05
           E                       L06
           F                       L09
           G                       L10
           H                       L11
           I                       L13
           J                       L14
           K                       L15
           L                       L16
           M                       L17
           N                       L18
           O                       L19
           P                       L20
           Q                       L21
           R                       L22
           S                       L23
           T                       L24
           U                       L25
           V                       L27
           W                       L28
           X                       L29
           Y                       L30
           Z                       L31
           a                       L32
           b                       L33
           c                       L34
           d                       L35
           e                       L36
           f                       S02
           g                       S03
           h                       S04
           i                       S05
           j                       S06
           k                       S07
           l                       S08
           m                       S09
           n                       S10
           o                       S11
           p                       S12
           q                       S13
           r                       S14
           s                       S15
           t                       S16
           u                       S17
           v                       S18
           w                       S19
           x                       S20
           y                       S21
           z                        L1
           0                       16S

7tos-pdb-bundle2.pdb:
           A                       23S
           B                        5S
           C                        PR
