    New chain ID            Original chain ID

9xrl-pdb-bundle1.pdb:
           A                         1
           B                         3
           C                         4
           D                         6
           E                         9
           F                         A
           G                         D
           H                         E
           I                         H
           J                         I
           K                         S
           L                         Q
           M                         e
           N                         k
           O                         l
           P                         t
           Q                         g
           R                         T
           S                         z
           T                         y
           U                        AH
           V                         p
           W                         Y
           X                         b
           Y                         X
           Z                         Z
           a                         V
           b                         W
           c                         n

9xrl-pdb-bundle2.pdb:
           A                         f
           B                         s
           C                         m
           D                         o
           E                         d
           F                         j
           G                         u
           H                         w
           I                        AE
           J                        AF
           K                        AM
           L                        AL
           M                        AO
           N                        AS
           O                        AR
           P                         P
           Q                        AA
           R                         O
           S                         q
           T                        AC
           U                        AB
           V                        AJ
           W                         0
           X                         r
           Y                         L

9xrl-pdb-bundle3.pdb:
           A                         C
           B                         F
           C                         8
           D                         7
           E                         5
           F                         B
           G                         K
           H                        AN
           I                        AI
           J                        AD
           K                         2
           L                         U
           M                         c
           N                         x
           O                        AK
           P                        AQ
           Q                         i
           R                         h
           S                        AT
