    New chain ID            Original chain ID

9vpd-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           S                         S
           b                         b
           d                         d
           h                         h
