    New chain ID            Original chain ID

9njf-pdb-bundle1.pdb:
           A                         1
           B                        10
           C                        11
           D                        13
           E                        14
           F                        15
           G                        16
           H                        17
           I                        18
           J                        19
           K                         2
           L                        20
           M                        21
           N                        22
           O                        23
           P                        24
           Q                        25
           R                        27
           S                        28
           T                        29
           U                         3
           V                        30
           W                        31
           X                        32
           Y                        33
           Z                        34
           a                        35
           b                        36
           c                         4
           d                         5
           e                         6
           f                         9
           g                         M
           h                        R1
           i                        R2

9njf-pdb-bundle2.pdb:
           A                        R3
           B                         T
           C                         Y
           D                        sb
           E                        sc
           F                        sd
           G                        se
           H                        sf
           I                        sg
           J                        sh
           K                        si
           L                        sj
           M                        sk
           N                        sl
           O                        sm
           P                        sn
           Q                        so
           R                        sp
           S                        sq
           T                        sr
           U                        ss
           V                        st
           W                        su
