    New chain ID            Original chain ID

6rm3-pdb-bundle1.pdb:
           A                       S60
           B                       L70
           C                       LA0
           D                       SA0
           E                       LAA
           F                       SAA
           G                       LB0
           H                       SB0
           I                       LBB
           J                       SBB
           K                       LC0
           L                       SC0
           M                       LCC
           N                       SCC
           O                       LD0
           P                       SD0
           Q                       LDD
           R                       SDD
           S                       LE0
           T                       SE0
           U                       LEE
           V                       SEE
           W                       LF0
           X                       SF0
           Y                       LFF
           Z                       SFF
           a                       LG0
           b                       SG0
           c                       LGG
           d                       SGG
           e                       LH0
           f                       SH0
           g                       LHH
           h                       LI0
           i                       SI0
           j                       LII
           k                       LJ0
           l                       SJ0
           m                       LJJ
           n                       LL0
           o                       SL0
           p                       LLL
           q                       LM0
           r                       LMM
           s                       SM0
           t                       LN0
           u                       SN0
           v                       LNN
           w                       SNN
           x                       LO0
           y                       SO0
           z                       LOO
           0                       LP0
           1                       SP0
           2                       LPP
           3                       LQ0
           4                       SQ0
           5                       LR0
           6                       SR0
           7                       LS0

6rm3-pdb-bundle2.pdb:
           A                       SS0
           B                       LT0
           C                       ST0
           D                       LU0
           E                       SU0
           F                       LV0
           G                       SV0
           H                       LW0
           I                       SW0
           J                       LX0
           K                       SX0
           L                       LXX
           M                       LY0
           N                       SY0
           O                       LZ0
           P                       SZ0
           Q                       SK0
           R                       L50
