    New chain ID            Original chain ID

11hf-pdb-bundle1.pdb:
           A                        AG
           B                        AH
           C                        AI
           D                        AJ
           E                        AK
           F                        AL
           G                        AM
           H                        AN
           I                        AO
           J                        AP
           K                        AQ
           L                        AR
           M                         L
           N                         M
           O                         N
           P                         O
           Q                         P
           R                         Q
           S                         R
           T                         S
           U                         T
           V                         U
           W                         V
           X                         W
