    New chain ID            Original chain ID

8e41-pdb-bundle1.pdb:
           I                         I
           J                         J

8e41-pdb-bundle2.pdb:
           K                         K
           L                         L
           M                         M
           N                         N
           O                         O
           P                         P
           Q                         Q
           R                         R
           B                         B
