    New chain ID            Original chain ID

8v3z-pdb-bundle1.pdb:
           b                         b
           E                         E
           a                         a
           A                         A
           C                         C
           D                         D
           B                         B
           n                         n
           Y                         Y
           k                         k
           M                         M
           S                         S
           V                         V
           P                         P
           o                         o
           Z                         Z
           l                         l
           N                         N
           T                         T
           W                         W
           Q                         Q
           L                         L
           J                         J
           K                         K
           F                         F
           H                         H
           I                         I
           G                         G
           p                         p
           c                         c
           m                         m
           O                         O
           U                         U
           X                         X
           R                         R
           j                         j
           h                         h
           i                         i
           d                         d
           f                         f
           g                         g
           e                         e
