    New chain ID            Original chain ID

6j40_1-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         H
           G                         I
           H                         J
           I                         K
           J                         L
           K                         M
           L                         O
           M                         T
           N                         U
           O                         V
           P                         Y
           Q                         X
           R                         Z
           S                         Q
           T                         W
           U                         0
           V                         1
           W                         a
           X                         b
           Y                         c
           Z                         d
           a                         e
           b                         h
           c                         i
           d                         j
           e                         k
           f                         l
           g                         m
           h                         o
           i                         t
           j                         u
           k                         v
           l                         y
           m                         x
           n                         z
           o                         q
           p                         w
           q                         5
           r                         6
           s                        11
           t                        12
           u                        13
           v                        14
           w                        15
           x                        16
           y                        17
           z                        18
           0                        19
           1                        20
           2                        21
           3                        31
           4                        32
           5                        33
           6                        34
           7                        35
           8                        36
           9                        37
6j40_1-pdb-bundle2.pdb:
           A                        38
           B                        39
           C                        40
           D                        41
