    New chain ID            Original chain ID

8c9n-pdb-bundle1.pdb:
           1                         1
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           K                         K
           L                         L
           M                         M

8c9n-pdb-bundle2.pdb:
           A                         N
           B                         O
           C                         P
           D                         Q
           E                         R
           F                         S
           G                         T
           H                         V
           I                         W
           J                         X
           K                         Y
           L                         Z
           M                        AA
           N                        BA

8c9n-pdb-bundle3.pdb:
           A                        CA
           B                        DA
           C                        EA
           D                        FA
           E                        GA
           F                        HA
           G                        IA
           H                        JA
           I                        KA
           J                        LA
           K                        MA
           L                        NA
           M                        OA
           N                        PA

8c9n-pdb-bundle4.pdb:
           A                        QA
           B                        RA
           C                        SA
           D                        TA
           E                        UA
           F                        VA
           G                        WA
           H                        XA
           I                        YA
           J                        ZA
           K                        AB
           L                        BB
           M                        CB
           N                        DB

8c9n-pdb-bundle5.pdb:
           A                        EB
           B                        FB
           C                        GB
           D                        HB
