    New chain ID            Original chain ID

3j6y-pdb-bundle1.pdb:
           A                        2S
           B                        8S
           C                        5S
           D                        L1
           E                        L2
           F                        L3
           G                        L4
           H                        L5
           I                        L6
           J                        L7
           K                        L8
           L                        L9
           M                        50
           N                        51
           O                        53

3j6y-pdb-bundle2.pdb:
           A                        54
           B                        55
           C                        56
           D                        57
           E                        58
           F                        59
           G                        60
           H                        61
           I                        62
           J                        63
           K                        64
           L                        65
           M                        66
           N                        67
           O                        68
           P                        69
           Q                        70
           R                        71
           S                        72
           T                        73
           U                        74
           V                        75
           W                        76
           X                        77
           Y                        78
           Z                        79
           a                        80
           b                        81
           c                        82
           d                        83
           e                        1S
           f                        S0
           g                        S1
           h                        S2
           i                        S3
           j                        S4
           k                        S5
           l                        S6
           m                        S7
           n                        S8
           o                        S9
           p                        10
           q                        11
           r                        12
           s                        13
           t                        14
           u                        15
           v                        16
           w                        17
           x                        18
           y                        19
           z                        20
           0                        21
           1                        22
           2                        23
           3                        24
           4                        25
           5                        26

3j6y-pdb-bundle3.pdb:
           A                        27
           B                        28
           C                        29
           D                        30
           E                        31
           F                        RA
           G                        IR
