    New chain ID            Original chain ID

11he-pdb-bundle1.pdb:
           A                        58
           B                         5
           C                        L8
           D                        L3
           E                        L4
           F                        L5
           G                        L6
           H                        L7
           I                        aa
           J                        L9
           K                        10
           L                        11
           M                        13
           N                        14
           O                        15
           P                        bb
           Q                        17
           R                        19
           S                        20
           T                        21
           U                        22
           V                        23
           W                        24
           X                        cc
           Y                        26
           Z                        27
           a                        dd
           b                        29
           c                        30
           d                        31
           e                        32
           f                        ee
           g                        34
           h                        35
           i                        36
           j                        37
           k                        38
           l                        39
           m                        40
           n                        42
           o                        ff
           p                        gg
           q                         s
           r                         t
           s                        EB
           t                         u
           u                         Q
           v                        ES

11he-pdb-bundle2.pdb:
           A                        28
           B                         v
