    New chain ID            Original chain ID

5uyn-pdb-bundle1.pdb:
           A                        04
           B                        05
           C                        06
           D                        07
           E                        08
           F                        09
           G                        10
           H                        11
           I                        12
           J                        13
           K                        14
           L                        15
           M                        16
           N                        17
           O                        18
           P                        19
           Q                        20
           R                        21
           S                        22
           T                        23
           U                        24
           V                        25
           W                        26
           X                        27
           Y                        28
           Z                        29
           a                        30
           b                        31
           c                        32
           d                        33
           e                        34
           f                         B
           g                         C
           h                         D
           i                         E
           j                         F
           k                         G
           l                         H
           m                         I
           n                         J
           o                         K
           p                         L
           q                         M
           r                         N
           s                         O
           t                         P
           u                         Q
           v                         R
           w                         S
           x                         T
           y                         U
           z                        03
           0                         A

5uyn-pdb-bundle2.pdb:
           A                        01
           B                        02
           C                         X
           D                         V
           E                         W
           F                         Y
           G                         Z
