    New chain ID            Original chain ID

9qwq_1-pdb-bundle1.pdb:
           A                         A
           B                        AA
           C                        AB
           D                        AC
           E                         B
           F                        BA
           G                        BB
           H                         C
           I                        CA
           J                        CB
           K                         D
           L                        DA
           M                        DB
           N                         E
           O                        EA
           P                        EB
           Q                         F
9qwq_1-pdb-bundle2.pdb:
           A                         F
           B                        FA
           C                        FB
           D                         G
           E                        GA
           F                        GB
           G                         H
           H                        HA
           I                        HB
           J                         I
           K                        IA
           L                        IB
           M                         J
           N                        JA
           O                        JB
           P                         K
           Q                        KA
9qwq_1-pdb-bundle3.pdb:
           A                        KA
           B                        KB
           C                         L
           D                        LA
           E                        LB
           F                         M
           G                        MA
           H                        MB
           I                         N
           J                        NA
           K                        NB
           L                         O
           M                        OA
           N                        OB
           O                         P
           P                        PA
           Q                        PB
9qwq_1-pdb-bundle4.pdb:
           A                        PB
           B                         Q
           C                        QA
           D                        QB
           E                         R
           F                        RA
           G                        RB
           H                         S
           I                        SA
           J                        SB
           K                         T
           L                        TA
           M                        TB
           N                        UA
           O                        UB
           P                         V
           Q                        VA
9qwq_1-pdb-bundle5.pdb:
           A                        VA
           B                        VB
           C                         W
           D                        WA
           E                        WB
           F                         X
           G                        XA
           H                        XB
           I                         Y
           J                        YA
           K                        YB
           L                         Z
           M                        ZA
           N                        ZB
