    New chain ID            Original chain ID

8f53-pdb-bundle1.pdb:
           A                         A
           B                         F
           C                         K
           D                         U
           E                        J1
           F                        Od
           G                        Tc
           H                        Ba
           I                         B
           J                         G
           K                         L
           L                         V
           M                         Z
           N                        Id
           O                        Nh
           P                        Sl
           Q                        Xp
           R                        Yb
           S                         C
           T                         H
           U                         M
           V                         W
           W                        Ca
           X                        He
           Y                        Mi
           Z                        Rm
           a                        Wq
           b                        Ae
           c                         D
           d                         I
           e                         N
           f                         X
           g                        Bb
           h                        Gf
           i                        Lj
           j                        Qn
           k                        Vr
           l                        Zt
           m                         E
           n                         J
           o                         O
           p                         Y
           q                        Dc
           r                        Fg
           s                        Kk
           t                        Po
           u                        Us
           v                        Hu
           w                         P
           x                        Gv
           y                         Q
           z                        Fw
           0                         R
           1                        Ex
           2                         S
           3                        Dy
           4                         T
           5                        Cz
           6                         0
           7                         2
