    New chain ID            Original chain ID

7t1x-pdb-bundle1.pdb:
           A                         H
           B                         L
           C                        H2
           D                        L2
           E                        H3
           F                        L3
           G                        H4
           H                        L4
           I                        H5
           J                        L5
           K                         A
           L                         B
           M                         C
           N                         D
           O                         E
