    New chain ID            Original chain ID

8aox-pdb-bundle1.pdb:
           A                        JA
           B                         A
           C                         C
           D                         E
           E                         G
           F                         I
           G                         K
           H                         M
           I                         O
           J                         Q
           K                         S
           L                         V
           M                         X
           N                         Z
           O                        BA
           P                        DA
           Q                        FA
           R                        HA
           S                        LA
           T                        NA
           U                        PA
           V                        RA
           W                        TA
           X                        VA
