    New chain ID            Original chain ID

7aje-pdb-bundle1.pdb:
           A                         8
           B                         A
           C                         B
           D                         C
           E                         D
           F                         E
           G                         F
           H                         G
           I                         H
           J                         I
           K                         J
           L                         K
           M                         L
           N                         M
           O                         N
           P                         O
           Q                         P
           R                         Q
           S                         R
           T                         S
           U                         a
           V                         b
           W                         d
           X                         e
           Y                         f
           Z                         g
           a                         h
           b                         j
           c                         k
           d                        A8
           e                        AA
           f                        AB
           g                        AC
           h                        AD
           i                        AE
           j                        AF
           k                        AG
           l                        AH
           m                        AI
           n                        AJ
           o                        AK
           p                        AL
           q                        AM
           r                        AN
           s                        AO
           t                        AP
           u                        AQ
           v                        AR
           w                        AS
           x                        Aa
           y                        Ab
           z                        Ad
           0                        Ae
           1                        Af
           2                        Ag
           3                        Ah
           4                        Aj
           5                        Ak
